diff --git a/homeassistant/components/balboa/const.py b/homeassistant/components/balboa/const.py
index f5b28804952..9fb0b34d003 100644
--- a/homeassistant/components/balboa/const.py
+++ b/homeassistant/components/balboa/const.py
@@ -10,7 +10,6 @@ from homeassistant.components.climate.const import (
     HVAC_MODE_HEAT,
     HVAC_MODE_OFF,
 )
-from homeassistant.components.fan import SPEED_HIGH, SPEED_LOW, SPEED_OFF
 from homeassistant.const import Platform
 
 _LOGGER = logging.getLogger(__name__)
@@ -21,7 +20,6 @@ CLIMATE_SUPPORTED_FANSTATES = [FAN_OFF, FAN_LOW, FAN_MEDIUM, FAN_HIGH]
 CLIMATE_SUPPORTED_MODES = [HVAC_MODE_AUTO, HVAC_MODE_HEAT, HVAC_MODE_OFF]
 CONF_SYNC_TIME = "sync_time"
 DEFAULT_SYNC_TIME = False
-FAN_SUPPORTED_SPEEDS = [SPEED_OFF, SPEED_LOW, SPEED_HIGH]
 PLATFORMS = [Platform.BINARY_SENSOR, Platform.CLIMATE]
 
 AUX = "Aux"
diff --git a/homeassistant/components/bond/fan.py b/homeassistant/components/bond/fan.py
index 32edfb206a6..a2e35456ca3 100644
--- a/homeassistant/components/bond/fan.py
+++ b/homeassistant/components/bond/fan.py
@@ -10,7 +10,6 @@ from bond_api import Action, BPUPSubscriptions, DeviceType, Direction
 import voluptuous as vol
 
 from homeassistant.components.fan import (
-    ATTR_SPEED,
     DIRECTION_FORWARD,
     DIRECTION_REVERSE,
     SUPPORT_DIRECTION,
@@ -57,7 +56,7 @@ async def async_setup_entry(
 
     platform.async_register_entity_service(
         SERVICE_SET_FAN_SPEED_TRACKED_STATE,
-        {vol.Required(ATTR_SPEED): vol.All(vol.Number(scale=0), vol.Range(0, 100))},
+        {vol.Required("speed"): vol.All(vol.Number(scale=0), vol.Range(0, 100))},
         "async_set_speed_belief",
     )
 
@@ -107,7 +106,9 @@ class BondFan(BondEntity, FanEntity):
         """Return the current speed percentage for the fan."""
         if not self._speed or not self._power:
             return 0
-        return ranged_value_to_percentage(self._speed_range, self._speed)
+        return min(
+            100, max(0, ranged_value_to_percentage(self._speed_range, self._speed))
+        )
 
     @property
     def speed_count(self) -> int:
@@ -183,7 +184,6 @@ class BondFan(BondEntity, FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs: Any,
diff --git a/homeassistant/components/comfoconnect/fan.py b/homeassistant/components/comfoconnect/fan.py
index 278de0557b9..b2845068dbe 100644
--- a/homeassistant/components/comfoconnect/fan.py
+++ b/homeassistant/components/comfoconnect/fan.py
@@ -120,7 +120,6 @@ class ComfoConnectFan(FanEntity):
 
     def turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs,
diff --git a/homeassistant/components/deconz/fan.py b/homeassistant/components/deconz/fan.py
index d1ff85f9d65..222bf51470f 100644
--- a/homeassistant/components/deconz/fan.py
+++ b/homeassistant/components/deconz/fan.py
@@ -13,15 +13,7 @@ from pydeconz.light import (
     Fan,
 )
 
-from homeassistant.components.fan import (
-    DOMAIN,
-    SPEED_HIGH,
-    SPEED_LOW,
-    SPEED_MEDIUM,
-    SPEED_OFF,
-    SUPPORT_SET_SPEED,
-    FanEntity,
-)
+from homeassistant.components.fan import DOMAIN, SUPPORT_SET_SPEED, FanEntity
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
@@ -41,19 +33,6 @@ ORDERED_NAMED_FAN_SPEEDS = [
     FAN_SPEED_100_PERCENT,
 ]
 
-LEGACY_SPEED_TO_DECONZ = {
-    SPEED_OFF: FAN_SPEED_OFF,
-    SPEED_LOW: FAN_SPEED_25_PERCENT,
-    SPEED_MEDIUM: FAN_SPEED_50_PERCENT,
-    SPEED_HIGH: FAN_SPEED_100_PERCENT,
-}
-LEGACY_DECONZ_TO_SPEED = {
-    FAN_SPEED_OFF: SPEED_OFF,
-    FAN_SPEED_25_PERCENT: SPEED_LOW,
-    FAN_SPEED_50_PERCENT: SPEED_MEDIUM,
-    FAN_SPEED_100_PERCENT: SPEED_HIGH,
-}
-
 
 async def async_setup_entry(
     hass: HomeAssistant,
@@ -130,41 +109,6 @@ class DeconzFan(DeconzDevice, FanEntity):
         """Return the number of speeds the fan supports."""
         return len(ORDERED_NAMED_FAN_SPEEDS)
 
-    @property
-    def speed_list(self) -> list:
-        """Get the list of available speeds.
-
-        Legacy fan support.
-        """
-        return list(LEGACY_SPEED_TO_DECONZ)
-
-    def speed_to_percentage(self, speed: str) -> int:
-        """Convert speed to percentage.
-
-        Legacy fan support.
-        """
-        if speed == SPEED_OFF:
-            return 0
-
-        if speed not in LEGACY_SPEED_TO_DECONZ:
-            speed = SPEED_MEDIUM
-
-        return ordered_list_item_to_percentage(
-            ORDERED_NAMED_FAN_SPEEDS, LEGACY_SPEED_TO_DECONZ[speed]
-        )
-
-    def percentage_to_speed(self, percentage: int) -> str:
-        """Convert percentage to speed.
-
-        Legacy fan support.
-        """
-        if percentage == 0:
-            return SPEED_OFF
-        return LEGACY_DECONZ_TO_SPEED.get(
-            percentage_to_ordered_list_item(ORDERED_NAMED_FAN_SPEEDS, percentage),
-            SPEED_MEDIUM,
-        )
-
     @callback
     def async_update_callback(self) -> None:
         """Store latest configured speed from the device."""
@@ -174,36 +118,23 @@ class DeconzFan(DeconzDevice, FanEntity):
 
     async def async_set_percentage(self, percentage: int) -> None:
         """Set the speed percentage of the fan."""
+        if percentage == 0:
+            return await self.async_turn_off()
         await self._device.set_speed(
             percentage_to_ordered_list_item(ORDERED_NAMED_FAN_SPEEDS, percentage)
         )
 
-    async def async_set_speed(self, speed: str) -> None:
-        """Set the speed of the fan.
-
-        Legacy fan support.
-        """
-        if speed not in LEGACY_SPEED_TO_DECONZ:
-            raise ValueError(f"Unsupported speed {speed}")
-
-        await self._device.set_speed(LEGACY_SPEED_TO_DECONZ[speed])
-
     async def async_turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs: Any,
     ) -> None:
         """Turn on fan."""
-        new_speed = self._default_on_speed
-
         if percentage is not None:
-            new_speed = percentage_to_ordered_list_item(
-                ORDERED_NAMED_FAN_SPEEDS, percentage
-            )
-
-        await self._device.set_speed(new_speed)
+            await self.async_set_percentage(percentage)
+            return
+        await self._device.set_speed(self._default_on_speed)
 
     async def async_turn_off(self, **kwargs: Any) -> None:
         """Turn off fan."""
diff --git a/homeassistant/components/demo/fan.py b/homeassistant/components/demo/fan.py
index e70f5efc626..8fcc6a810ed 100644
--- a/homeassistant/components/demo/fan.py
+++ b/homeassistant/components/demo/fan.py
@@ -196,7 +196,6 @@ class DemoPercentageFan(BaseDemoFan, FanEntity):
 
     def turn_on(
         self,
-        speed: str = None,
         percentage: int = None,
         preset_mode: str = None,
         **kwargs,
@@ -267,7 +266,6 @@ class AsyncDemoPercentageFan(BaseDemoFan, FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str = None,
         percentage: int = None,
         preset_mode: str = None,
         **kwargs,
diff --git a/homeassistant/components/emulated_hue/hue_api.py b/homeassistant/components/emulated_hue/hue_api.py
index 210e95f13b7..6f8cf77b13d 100644
--- a/homeassistant/components/emulated_hue/hue_api.py
+++ b/homeassistant/components/emulated_hue/hue_api.py
@@ -26,14 +26,7 @@ from homeassistant.components.cover import (
     ATTR_POSITION,
     SUPPORT_SET_POSITION,
 )
-from homeassistant.components.fan import (
-    ATTR_SPEED,
-    SPEED_HIGH,
-    SPEED_LOW,
-    SPEED_MEDIUM,
-    SPEED_OFF,
-    SUPPORT_SET_SPEED,
-)
+from homeassistant.components.fan import ATTR_PERCENTAGE, SUPPORT_SET_SPEED
 from homeassistant.components.http import HomeAssistantView
 from homeassistant.components.humidifier.const import (
     ATTR_HUMIDITY,
@@ -540,14 +533,7 @@ class HueOneLightChangeView(HomeAssistantView):
         ):
             domain = entity.domain
             # Convert 0-100 to a fan speed
-            if (brightness := parsed[STATE_BRIGHTNESS]) == 0:
-                data[ATTR_SPEED] = SPEED_OFF
-            elif 0 < brightness <= 33.3:
-                data[ATTR_SPEED] = SPEED_LOW
-            elif 33.3 < brightness <= 66.6:
-                data[ATTR_SPEED] = SPEED_MEDIUM
-            elif 66.6 < brightness <= 100:
-                data[ATTR_SPEED] = SPEED_HIGH
+            data[ATTR_PERCENTAGE] = parsed[STATE_BRIGHTNESS]
 
         # Map the off command to on
         if entity.domain in config.off_maps_to_on_domains:
@@ -679,15 +665,9 @@ def get_entity_state(config, entity):
             # Convert 0.0-1.0 to 0-254
             data[STATE_BRIGHTNESS] = round(min(1.0, level) * HUE_API_STATE_BRI_MAX)
         elif entity.domain == fan.DOMAIN:
-            speed = entity.attributes.get(ATTR_SPEED, 0)
-            # Convert 0.0-1.0 to 0-254
-            data[STATE_BRIGHTNESS] = 0
-            if speed == SPEED_LOW:
-                data[STATE_BRIGHTNESS] = 85
-            elif speed == SPEED_MEDIUM:
-                data[STATE_BRIGHTNESS] = 170
-            elif speed == SPEED_HIGH:
-                data[STATE_BRIGHTNESS] = HUE_API_STATE_BRI_MAX
+            percentage = entity.attributes.get(ATTR_PERCENTAGE) or 0
+            # Convert 0-100 to 0-254
+            data[STATE_BRIGHTNESS] = round(percentage * HUE_API_STATE_BRI_MAX / 100)
         elif entity.domain == cover.DOMAIN:
             level = entity.attributes.get(ATTR_CURRENT_POSITION, 0)
             data[STATE_BRIGHTNESS] = round(level / 100 * HUE_API_STATE_BRI_MAX)
diff --git a/homeassistant/components/esphome/fan.py b/homeassistant/components/esphome/fan.py
index 5ae4a47c52e..91cb8bb6fdb 100644
--- a/homeassistant/components/esphome/fan.py
+++ b/homeassistant/components/esphome/fan.py
@@ -92,7 +92,6 @@ class EsphomeFan(EsphomeEntity[FanInfo, FanState], FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs: Any,
diff --git a/homeassistant/components/fan/__init__.py b/homeassistant/components/fan/__init__.py
index 87f50c7d938..5ed4420c592 100644
--- a/homeassistant/components/fan/__init__.py
+++ b/homeassistant/components/fan/__init__.py
@@ -28,8 +28,6 @@ from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.helpers.typing import ConfigType
 from homeassistant.loader import bind_hass
 from homeassistant.util.percentage import (
-    ordered_list_item_to_percentage,
-    percentage_to_ordered_list_item,
     percentage_to_ranged_value,
     ranged_value_to_percentage,
 )
@@ -47,7 +45,6 @@ SUPPORT_OSCILLATE = 2
 SUPPORT_DIRECTION = 4
 SUPPORT_PRESET_MODE = 8
 
-SERVICE_SET_SPEED = "set_speed"
 SERVICE_INCREASE_SPEED = "increase_speed"
 SERVICE_DECREASE_SPEED = "decrease_speed"
 SERVICE_OSCILLATE = "oscillate"
@@ -55,37 +52,16 @@ SERVICE_SET_DIRECTION = "set_direction"
 SERVICE_SET_PERCENTAGE = "set_percentage"
 SERVICE_SET_PRESET_MODE = "set_preset_mode"
 
-SPEED_OFF = "off"
-SPEED_LOW = "low"
-SPEED_MEDIUM = "medium"
-SPEED_HIGH = "high"
-
 DIRECTION_FORWARD = "forward"
 DIRECTION_REVERSE = "reverse"
 
-ATTR_SPEED = "speed"
 ATTR_PERCENTAGE = "percentage"
 ATTR_PERCENTAGE_STEP = "percentage_step"
-ATTR_SPEED_LIST = "speed_list"
 ATTR_OSCILLATING = "oscillating"
 ATTR_DIRECTION = "direction"
 ATTR_PRESET_MODE = "preset_mode"
 ATTR_PRESET_MODES = "preset_modes"
 
-_NOT_SPEED_OFF = "off"
-
-OFF_SPEED_VALUES = [SPEED_OFF, None]
-
-LEGACY_SPEED_LIST = [SPEED_LOW, SPEED_MEDIUM, SPEED_HIGH]
-
-
-class NoValidSpeedsError(ValueError):
-    """Exception class when there are no valid speeds."""
-
-
-class NotValidSpeedError(ValueError):
-    """Exception class when the speed in not in the speed list."""
-
 
 class NotValidPresetModeError(ValueError):
     """Exception class when the preset_mode in not in the preset_modes list."""
@@ -94,10 +70,7 @@ class NotValidPresetModeError(ValueError):
 @bind_hass
 def is_on(hass, entity_id: str) -> bool:
     """Return if the fans are on based on the statemachine."""
-    state = hass.states.get(entity_id)
-    if ATTR_SPEED in state.attributes:
-        return state.attributes[ATTR_SPEED] not in OFF_SPEED_VALUES
-    return state.state == STATE_ON
+    return hass.states.get(entity_id).state == STATE_ON
 
 
 async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
@@ -113,24 +86,15 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     component.async_register_entity_service(
         SERVICE_TURN_ON,
         {
-            vol.Optional(ATTR_SPEED): cv.string,
             vol.Optional(ATTR_PERCENTAGE): vol.All(
                 vol.Coerce(int), vol.Range(min=0, max=100)
             ),
             vol.Optional(ATTR_PRESET_MODE): cv.string,
         },
-        "async_turn_on_compat",
+        "async_turn_on",
     )
     component.async_register_entity_service(SERVICE_TURN_OFF, {}, "async_turn_off")
     component.async_register_entity_service(SERVICE_TOGGLE, {}, "async_toggle")
-    # After the transition to percentage and preset_modes concludes,
-    # remove this service
-    component.async_register_entity_service(
-        SERVICE_SET_SPEED,
-        {vol.Required(ATTR_SPEED): cv.string},
-        "async_set_speed_deprecated",
-        [SUPPORT_SET_SPEED],
-    )
     component.async_register_entity_service(
         SERVICE_INCREASE_SPEED,
         {
@@ -212,29 +176,6 @@ class FanEntity(ToggleEntity):
     _attr_speed_count: int
     _attr_supported_features: int = 0
 
-    def set_speed(self, speed: str) -> None:
-        """Set the speed of the fan."""
-        raise NotImplementedError()
-
-    async def async_set_speed_deprecated(self, speed: str):
-        """Set the speed of the fan."""
-        _LOGGER.error(
-            "The fan.set_speed service is deprecated and will fail in 2022.3 and later, use fan.set_percentage or fan.set_preset_mode instead"
-        )
-        await self.async_set_speed(speed)
-
-    async def async_set_speed(self, speed: str):
-        """Set the speed of the fan."""
-        if speed == SPEED_OFF:
-            await self.async_turn_off()
-            return
-
-        if self.preset_modes and speed in self.preset_modes:
-            await self.async_set_preset_mode(speed)
-            return
-
-        await self.async_set_percentage(self.speed_to_percentage(speed))
-
     def set_percentage(self, percentage: int) -> None:
         """Set the speed of the fan, as a percentage."""
         raise NotImplementedError()
@@ -301,7 +242,6 @@ class FanEntity(ToggleEntity):
     # pylint: disable=arguments-differ
     def turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs,
@@ -309,64 +249,22 @@ class FanEntity(ToggleEntity):
         """Turn on the fan."""
         raise NotImplementedError()
 
-    async def async_turn_on_compat(
-        self,
-        speed: str | None = None,
-        percentage: int | None = None,
-        preset_mode: str | None = None,
-        **kwargs,
-    ) -> None:
-        """Turn on the fan.
-
-        This _compat version wraps async_turn_on with
-        backwards and forward compatibility.
-
-        This compatibility shim will be removed in 2022.3
-        """
-        if preset_mode is not None:
-            self._valid_preset_mode_or_raise(preset_mode)
-            speed = preset_mode
-            percentage = None
-        elif speed is not None:
-            _LOGGER.error(
-                "Calling fan.turn_on with the speed argument is deprecated and will fail in 2022.3 and later, use percentage or preset_mode instead"
-            )
-            if self.preset_modes and speed in self.preset_modes:
-                preset_mode = speed
-                percentage = None
-            else:
-                percentage = self.speed_to_percentage(speed)
-        elif percentage is not None:
-            speed = self.percentage_to_speed(percentage)
-
-        await self.async_turn_on(
-            speed=speed,
-            percentage=percentage,
-            preset_mode=preset_mode,
-            **kwargs,
-        )
-
     # pylint: disable=arguments-differ
     async def async_turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs,
     ) -> None:
         """Turn on the fan."""
-        if speed == SPEED_OFF:
-            await self.async_turn_off()
-        else:
-            await self.hass.async_add_executor_job(
-                ft.partial(
-                    self.turn_on,
-                    speed=speed,
-                    percentage=percentage,
-                    preset_mode=preset_mode,
-                    **kwargs,
-                )
+        await self.hass.async_add_executor_job(
+            ft.partial(
+                self.turn_on,
+                percentage=percentage,
+                preset_mode=preset_mode,
+                **kwargs,
             )
+        )
 
     def oscillate(self, oscillating: bool) -> None:
         """Oscillate the fan."""
@@ -379,16 +277,9 @@ class FanEntity(ToggleEntity):
     @property
     def is_on(self):
         """Return true if the entity is on."""
-        return self.speed not in [SPEED_OFF, None]
-
-    @property
-    def speed(self) -> str | None:
-        """Return the current speed."""
-        if preset_mode := self.preset_mode:
-            return preset_mode
-        if (percentage := self.percentage) is None:
-            return None
-        return self.percentage_to_speed(percentage)
+        return (
+            self.percentage is not None and self.percentage > 0
+        ) or self.preset_mode is not None
 
     @property
     def percentage(self) -> int | None:
@@ -409,14 +300,6 @@ class FanEntity(ToggleEntity):
         """Return the step size for percentage."""
         return 100 / self.speed_count
 
-    @property
-    def speed_list(self) -> list:
-        """Get the list of available speeds."""
-        speeds = [SPEED_OFF, *LEGACY_SPEED_LIST]
-        if preset_modes := self.preset_modes:
-            speeds.extend(preset_modes)
-        return speeds
-
     @property
     def current_direction(self) -> str | None:
         """Return the current direction of the fan."""
@@ -431,8 +314,6 @@ class FanEntity(ToggleEntity):
     def capability_attributes(self):
         """Return capability attributes."""
         attrs = {}
-        if self.supported_features & SUPPORT_SET_SPEED:
-            attrs[ATTR_SPEED_LIST] = self.speed_list
 
         if (
             self.supported_features & SUPPORT_SET_SPEED
@@ -442,22 +323,6 @@ class FanEntity(ToggleEntity):
 
         return attrs
 
-    def speed_to_percentage(self, speed: str) -> int:  # pylint: disable=no-self-use
-        """Map a legacy speed to a percentage."""
-        if speed in OFF_SPEED_VALUES:
-            return 0
-        if speed not in LEGACY_SPEED_LIST:
-            raise NotValidSpeedError(f"The speed {speed} is not a valid speed.")
-        return ordered_list_item_to_percentage(LEGACY_SPEED_LIST, speed)
-
-    def percentage_to_speed(  # pylint: disable=no-self-use
-        self, percentage: int
-    ) -> str:
-        """Map a percentage to a legacy speed."""
-        if percentage == 0:
-            return SPEED_OFF
-        return percentage_to_ordered_list_item(LEGACY_SPEED_LIST, percentage)
-
     @final
     @property
     def state_attributes(self) -> dict:
@@ -472,7 +337,6 @@ class FanEntity(ToggleEntity):
             data[ATTR_OSCILLATING] = self.oscillating
 
         if supported_features & SUPPORT_SET_SPEED:
-            data[ATTR_SPEED] = self.speed
             data[ATTR_PERCENTAGE] = self.percentage
             data[ATTR_PERCENTAGE_STEP] = self.percentage_step
 
diff --git a/homeassistant/components/fan/reproduce_state.py b/homeassistant/components/fan/reproduce_state.py
index 140fdfe9178..be018aa4b54 100644
--- a/homeassistant/components/fan/reproduce_state.py
+++ b/homeassistant/components/fan/reproduce_state.py
@@ -20,13 +20,11 @@ from . import (
     ATTR_OSCILLATING,
     ATTR_PERCENTAGE,
     ATTR_PRESET_MODE,
-    ATTR_SPEED,
     DOMAIN,
     SERVICE_OSCILLATE,
     SERVICE_SET_DIRECTION,
     SERVICE_SET_PERCENTAGE,
     SERVICE_SET_PRESET_MODE,
-    SERVICE_SET_SPEED,
 )
 
 _LOGGER = logging.getLogger(__name__)
@@ -35,7 +33,6 @@ VALID_STATES = {STATE_ON, STATE_OFF}
 ATTRIBUTES = {  # attribute: service
     ATTR_DIRECTION: SERVICE_SET_DIRECTION,
     ATTR_OSCILLATING: SERVICE_OSCILLATE,
-    ATTR_SPEED: SERVICE_SET_SPEED,
     ATTR_PERCENTAGE: SERVICE_SET_PERCENTAGE,
     ATTR_PRESET_MODE: SERVICE_SET_PRESET_MODE,
 }
diff --git a/homeassistant/components/fjaraskupan/fan.py b/homeassistant/components/fjaraskupan/fan.py
index bbc04a9607c..ea4327fc4b6 100644
--- a/homeassistant/components/fjaraskupan/fan.py
+++ b/homeassistant/components/fjaraskupan/fan.py
@@ -100,7 +100,6 @@ class Fan(CoordinatorEntity[State], FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str = None,
         percentage: int = None,
         preset_mode: str = None,
         **kwargs,
diff --git a/homeassistant/components/freedompro/fan.py b/homeassistant/components/freedompro/fan.py
index fe8ccc6d28d..dc7e3bb3d9d 100644
--- a/homeassistant/components/freedompro/fan.py
+++ b/homeassistant/components/freedompro/fan.py
@@ -92,9 +92,7 @@ class FreedomproFan(CoordinatorEntity, FanEntity):
         await super().async_added_to_hass()
         self._handle_coordinator_update()
 
-    async def async_turn_on(
-        self, speed=None, percentage=None, preset_mode=None, **kwargs
-    ):
+    async def async_turn_on(self, percentage=None, preset_mode=None, **kwargs):
         """Async function to turn on the fan."""
         payload = {"on": True}
         payload = json.dumps(payload)
diff --git a/homeassistant/components/group/fan.py b/homeassistant/components/group/fan.py
index f26b1bf57fb..a5f7cff127f 100644
--- a/homeassistant/components/group/fan.py
+++ b/homeassistant/components/group/fan.py
@@ -208,7 +208,6 @@ class FanGroup(GroupEntity, FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs: Any,
diff --git a/homeassistant/components/homekit_controller/fan.py b/homeassistant/components/homekit_controller/fan.py
index 71d71ce469f..3f48d34559b 100644
--- a/homeassistant/components/homekit_controller/fan.py
+++ b/homeassistant/components/homekit_controller/fan.py
@@ -117,7 +117,6 @@ class BaseHomeKitFan(HomeKitEntity, FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs: Any,
diff --git a/homeassistant/components/insteon/fan.py b/homeassistant/components/insteon/fan.py
index 9df11fdcc79..bea17ccaa7e 100644
--- a/homeassistant/components/insteon/fan.py
+++ b/homeassistant/components/insteon/fan.py
@@ -65,7 +65,6 @@ class InsteonFanEntity(InsteonEntity, FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str = None,
         percentage: int = None,
         preset_mode: str = None,
         **kwargs,
diff --git a/homeassistant/components/isy994/fan.py b/homeassistant/components/isy994/fan.py
index bf4d48ad3e8..c215eebd382 100644
--- a/homeassistant/components/isy994/fan.py
+++ b/homeassistant/components/isy994/fan.py
@@ -76,7 +76,6 @@ class ISYFanEntity(ISYNodeEntity, FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs: Any,
@@ -121,7 +120,6 @@ class ISYFanProgramEntity(ISYProgramEntity, FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs: Any,
diff --git a/homeassistant/components/knx/fan.py b/homeassistant/components/knx/fan.py
index 38c90aa149d..f5255fd25b0 100644
--- a/homeassistant/components/knx/fan.py
+++ b/homeassistant/components/knx/fan.py
@@ -106,7 +106,6 @@ class KNXFan(KnxEntity, FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs: Any,
diff --git a/homeassistant/components/lutron_caseta/fan.py b/homeassistant/components/lutron_caseta/fan.py
index 52fa1be65ed..cb00fa6f2c8 100644
--- a/homeassistant/components/lutron_caseta/fan.py
+++ b/homeassistant/components/lutron_caseta/fan.py
@@ -72,7 +72,6 @@ class LutronCasetaFan(LutronCasetaDevice, FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str = None,
         percentage: int = None,
         preset_mode: str = None,
         **kwargs,
diff --git a/homeassistant/components/modbus/fan.py b/homeassistant/components/modbus/fan.py
index afa26ac1638..6e2bf101de2 100644
--- a/homeassistant/components/modbus/fan.py
+++ b/homeassistant/components/modbus/fan.py
@@ -39,7 +39,6 @@ class ModbusFan(BaseSwitch, FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs: Any,
diff --git a/homeassistant/components/modern_forms/fan.py b/homeassistant/components/modern_forms/fan.py
index 7c1da064b18..8ebb706096a 100644
--- a/homeassistant/components/modern_forms/fan.py
+++ b/homeassistant/components/modern_forms/fan.py
@@ -129,7 +129,6 @@ class ModernFormsFanEntity(FanEntity, ModernFormsDeviceEntity):
     @modernforms_exception_handler
     async def async_turn_on(
         self,
-        speed: int | None = None,
         percentage: int | None = None,
         preset_mode: int | None = None,
         **kwargs: Any,
diff --git a/homeassistant/components/mqtt/fan.py b/homeassistant/components/mqtt/fan.py
index bedc3467c3b..89ea7dbdd4b 100644
--- a/homeassistant/components/mqtt/fan.py
+++ b/homeassistant/components/mqtt/fan.py
@@ -12,10 +12,6 @@ from homeassistant.components.fan import (
     ATTR_OSCILLATING,
     ATTR_PERCENTAGE,
     ATTR_PRESET_MODE,
-    SPEED_HIGH,
-    SPEED_LOW,
-    SPEED_MEDIUM,
-    SPEED_OFF,
     SUPPORT_OSCILLATE,
     SUPPORT_PRESET_MODE,
     SUPPORT_SET_SPEED,
@@ -163,10 +159,6 @@ _PLATFORM_SCHEMA_BASE = mqtt.MQTT_RW_PLATFORM_SCHEMA.extend(
         vol.Optional(
             CONF_PAYLOAD_RESET_PRESET_MODE, default=DEFAULT_PAYLOAD_RESET
         ): cv.string,
-        vol.Optional(CONF_PAYLOAD_HIGH_SPEED, default=SPEED_HIGH): cv.string,
-        vol.Optional(CONF_PAYLOAD_LOW_SPEED, default=SPEED_LOW): cv.string,
-        vol.Optional(CONF_PAYLOAD_MEDIUM_SPEED, default=SPEED_MEDIUM): cv.string,
-        vol.Optional(CONF_PAYLOAD_OFF_SPEED, default=SPEED_OFF): cv.string,
         vol.Optional(CONF_PAYLOAD_OFF, default=DEFAULT_PAYLOAD_OFF): cv.string,
         vol.Optional(CONF_PAYLOAD_ON, default=DEFAULT_PAYLOAD_ON): cv.string,
         vol.Optional(
@@ -176,10 +168,6 @@ _PLATFORM_SCHEMA_BASE = mqtt.MQTT_RW_PLATFORM_SCHEMA.extend(
             CONF_PAYLOAD_OSCILLATION_ON, default=OSCILLATE_ON_PAYLOAD
         ): cv.string,
         vol.Optional(CONF_SPEED_COMMAND_TOPIC): mqtt.valid_publish_topic,
-        vol.Optional(
-            CONF_SPEED_LIST,
-            default=[SPEED_OFF, SPEED_LOW, SPEED_MEDIUM, SPEED_HIGH],
-        ): cv.ensure_list,
         vol.Optional(CONF_SPEED_STATE_TOPIC): mqtt.valid_subscribe_topic,
         vol.Optional(CONF_SPEED_VALUE_TEMPLATE): cv.template,
         vol.Optional(CONF_STATE_VALUE_TEMPLATE): cv.template,
@@ -537,7 +525,6 @@ class MqttFan(MqttEntity, FanEntity):
     # The speed attribute deprecated in the schema, support will be removed after a quarter (2021.7)
     async def async_turn_on(
         self,
-        speed: str = None,
         percentage: int = None,
         preset_mode: str = None,
         **kwargs,
@@ -605,9 +592,7 @@ class MqttFan(MqttEntity, FanEntity):
 
         This method is a coroutine.
         """
-        if preset_mode not in self.preset_modes:
-            _LOGGER.warning("'%s'is not a valid preset mode", preset_mode)
-            return
+        self._valid_preset_mode_or_raise(preset_mode)
 
         mqtt_payload = self._command_templates[ATTR_PRESET_MODE](preset_mode)
 
diff --git a/homeassistant/components/ozw/fan.py b/homeassistant/components/ozw/fan.py
index 8f6374cc8e5..fdfbdadc2ee 100644
--- a/homeassistant/components/ozw/fan.py
+++ b/homeassistant/components/ozw/fan.py
@@ -55,9 +55,7 @@ class ZwaveFan(ZWaveDeviceEntity, FanEntity):
             zwave_speed = math.ceil(percentage_to_ranged_value(SPEED_RANGE, percentage))
         self.values.primary.send_value(zwave_speed)
 
-    async def async_turn_on(
-        self, speed=None, percentage=None, preset_mode=None, **kwargs
-    ):
+    async def async_turn_on(self, percentage=None, preset_mode=None, **kwargs):
         """Turn the device on."""
         await self.async_set_percentage(percentage)
 
diff --git a/homeassistant/components/senseme/fan.py b/homeassistant/components/senseme/fan.py
index b274941b378..8dd31343058 100644
--- a/homeassistant/components/senseme/fan.py
+++ b/homeassistant/components/senseme/fan.py
@@ -84,7 +84,6 @@ class HASensemeFan(SensemeEntity, FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs: Any,
diff --git a/homeassistant/components/smartthings/fan.py b/homeassistant/components/smartthings/fan.py
index 81171ecf554..019cd5dc7b6 100644
--- a/homeassistant/components/smartthings/fan.py
+++ b/homeassistant/components/smartthings/fan.py
@@ -65,7 +65,6 @@ class SmartThingsFan(SmartThingsEntity, FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs,
diff --git a/homeassistant/components/smarty/fan.py b/homeassistant/components/smarty/fan.py
index 0fadaf667a1..98df91acbc3 100644
--- a/homeassistant/components/smarty/fan.py
+++ b/homeassistant/components/smarty/fan.py
@@ -99,9 +99,9 @@ class SmartyFan(FanEntity):
         self._smarty_fan_speed = fan_speed
         self.schedule_update_ha_state()
 
-    def turn_on(self, speed=None, percentage=None, preset_mode=None, **kwargs):
+    def turn_on(self, percentage=None, preset_mode=None, **kwargs):
         """Turn on the fan."""
-        _LOGGER.debug("Turning on fan. Speed is %s", speed)
+        _LOGGER.debug("Turning on fan. percentage is %s", percentage)
         self.set_percentage(percentage or DEFAULT_ON_PERCENTAGE)
 
     def turn_off(self, **kwargs):
diff --git a/homeassistant/components/tasmota/fan.py b/homeassistant/components/tasmota/fan.py
index 6aabfb05091..a0002ff85f8 100644
--- a/homeassistant/components/tasmota/fan.py
+++ b/homeassistant/components/tasmota/fan.py
@@ -113,7 +113,6 @@ class TasmotaFan(
 
     async def async_turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs: Any,
diff --git a/homeassistant/components/template/fan.py b/homeassistant/components/template/fan.py
index 1d25c24017f..b172e94016f 100644
--- a/homeassistant/components/template/fan.py
+++ b/homeassistant/components/template/fan.py
@@ -11,7 +11,6 @@ from homeassistant.components.fan import (
     ATTR_OSCILLATING,
     ATTR_PERCENTAGE,
     ATTR_PRESET_MODE,
-    ATTR_SPEED,
     DIRECTION_FORWARD,
     DIRECTION_REVERSE,
     ENTITY_ID_FORMAT,
@@ -250,7 +249,6 @@ class TemplateFan(TemplateEntity, FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str = None,
         percentage: int = None,
         preset_mode: str = None,
         **kwargs,
@@ -258,7 +256,6 @@ class TemplateFan(TemplateEntity, FanEntity):
         """Turn on the fan."""
         await self._on_script.async_run(
             {
-                ATTR_SPEED: speed,
                 ATTR_PERCENTAGE: percentage,
                 ATTR_PRESET_MODE: preset_mode,
             },
@@ -270,8 +267,6 @@ class TemplateFan(TemplateEntity, FanEntity):
             await self.async_set_preset_mode(preset_mode)
         elif percentage is not None:
             await self.async_set_percentage(percentage)
-        elif speed is not None:
-            await self.async_set_speed(speed)
 
     async def async_turn_off(self, **kwargs: Any) -> None:
         """Turn off the fan."""
diff --git a/homeassistant/components/tolo/fan.py b/homeassistant/components/tolo/fan.py
index 499a348bd0b..e767be9a3ce 100644
--- a/homeassistant/components/tolo/fan.py
+++ b/homeassistant/components/tolo/fan.py
@@ -43,7 +43,6 @@ class ToloFan(ToloSaunaCoordinatorEntity, FanEntity):
 
     def turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs: Any,
diff --git a/homeassistant/components/tradfri/fan.py b/homeassistant/components/tradfri/fan.py
index 36e1c8b08ad..ed478025405 100644
--- a/homeassistant/components/tradfri/fan.py
+++ b/homeassistant/components/tradfri/fan.py
@@ -148,7 +148,6 @@ class TradfriAirPurifierFan(TradfriBaseEntity, FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs: Any,
diff --git a/homeassistant/components/tuya/fan.py b/homeassistant/components/tuya/fan.py
index e2e98e3fd5c..be05acef3de 100644
--- a/homeassistant/components/tuya/fan.py
+++ b/homeassistant/components/tuya/fan.py
@@ -161,7 +161,6 @@ class TuyaFanEntity(TuyaEntity, FanEntity):
 
     def turn_on(
         self,
-        speed: str = None,
         percentage: int = None,
         preset_mode: str = None,
         **kwargs: Any,
diff --git a/homeassistant/components/vallox/fan.py b/homeassistant/components/vallox/fan.py
index 59068d4819e..21e89f49d41 100644
--- a/homeassistant/components/vallox/fan.py
+++ b/homeassistant/components/vallox/fan.py
@@ -168,7 +168,6 @@ class ValloxFan(CoordinatorEntity, FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs: Any,
diff --git a/homeassistant/components/vesync/fan.py b/homeassistant/components/vesync/fan.py
index 2dee94f58e6..ea1fe94deb0 100644
--- a/homeassistant/components/vesync/fan.py
+++ b/homeassistant/components/vesync/fan.py
@@ -179,7 +179,6 @@ class VeSyncFanHA(VeSyncDevice, FanEntity):
 
     def turn_on(
         self,
-        speed: str = None,
         percentage: int = None,
         preset_mode: str = None,
         **kwargs,
diff --git a/homeassistant/components/wemo/fan.py b/homeassistant/components/wemo/fan.py
index be78dd1752d..253ff34213e 100644
--- a/homeassistant/components/wemo/fan.py
+++ b/homeassistant/components/wemo/fan.py
@@ -138,7 +138,6 @@ class WemoHumidifier(WemoBinaryStateEntity, FanEntity):
 
     def turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs: Any,
diff --git a/homeassistant/components/wilight/fan.py b/homeassistant/components/wilight/fan.py
index e3f3ab055f9..fbf5b0858a7 100644
--- a/homeassistant/components/wilight/fan.py
+++ b/homeassistant/components/wilight/fan.py
@@ -108,7 +108,6 @@ class WiLightFan(WiLightDevice, FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str = None,
         percentage: int = None,
         preset_mode: str = None,
         **kwargs,
diff --git a/homeassistant/components/xiaomi_miio/fan.py b/homeassistant/components/xiaomi_miio/fan.py
index e4b79ed77a8..3ad9ebb2f7d 100644
--- a/homeassistant/components/xiaomi_miio/fan.py
+++ b/homeassistant/components/xiaomi_miio/fan.py
@@ -326,7 +326,6 @@ class XiaomiGenericDevice(XiaomiCoordinatedMiioEntity, FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str = None,
         percentage: int = None,
         preset_mode: str = None,
         **kwargs,
diff --git a/homeassistant/components/zha/fan.py b/homeassistant/components/zha/fan.py
index 10b64caf974..e6f28935d10 100644
--- a/homeassistant/components/zha/fan.py
+++ b/homeassistant/components/zha/fan.py
@@ -91,9 +91,7 @@ class BaseFan(FanEntity):
         """Return the number of speeds the fan supports."""
         return int_states_in_range(SPEED_RANGE)
 
-    async def async_turn_on(
-        self, speed=None, percentage=None, preset_mode=None, **kwargs
-    ) -> None:
+    async def async_turn_on(self, percentage=None, preset_mode=None, **kwargs) -> None:
         """Turn the entity on."""
         if percentage is None:
             percentage = DEFAULT_ON_PERCENTAGE
diff --git a/homeassistant/components/zwave/fan.py b/homeassistant/components/zwave/fan.py
index b368e829eb7..ba758844c69 100644
--- a/homeassistant/components/zwave/fan.py
+++ b/homeassistant/components/zwave/fan.py
@@ -62,7 +62,7 @@ class ZwaveFan(ZWaveDeviceEntity, FanEntity):
             zwave_speed = math.ceil(percentage_to_ranged_value(SPEED_RANGE, percentage))
         self.node.set_dimmer(self.values.primary.value_id, zwave_speed)
 
-    def turn_on(self, speed=None, percentage=None, preset_mode=None, **kwargs):
+    def turn_on(self, percentage=None, preset_mode=None, **kwargs):
         """Turn the device on."""
         self.set_percentage(percentage)
 
diff --git a/homeassistant/components/zwave_js/fan.py b/homeassistant/components/zwave_js/fan.py
index cafab8b84a4..0291e6d3c64 100644
--- a/homeassistant/components/zwave_js/fan.py
+++ b/homeassistant/components/zwave_js/fan.py
@@ -83,7 +83,6 @@ class ZwaveFan(ZWaveBaseEntity, FanEntity):
 
     async def async_turn_on(
         self,
-        speed: str | None = None,
         percentage: int | None = None,
         preset_mode: str | None = None,
         **kwargs: Any,
diff --git a/tests/components/bond/test_fan.py b/tests/components/bond/test_fan.py
index 4168cbd35d2..061e94595bf 100644
--- a/tests/components/bond/test_fan.py
+++ b/tests/components/bond/test_fan.py
@@ -16,17 +16,15 @@ from homeassistant.components.bond.const import (
 from homeassistant.components.bond.fan import PRESET_MODE_BREEZE
 from homeassistant.components.fan import (
     ATTR_DIRECTION,
+    ATTR_PERCENTAGE,
     ATTR_PRESET_MODE,
     ATTR_PRESET_MODES,
-    ATTR_SPEED,
-    ATTR_SPEED_LIST,
     DIRECTION_FORWARD,
     DIRECTION_REVERSE,
     DOMAIN as FAN_DOMAIN,
     SERVICE_SET_DIRECTION,
+    SERVICE_SET_PERCENTAGE,
     SERVICE_SET_PRESET_MODE,
-    SERVICE_SET_SPEED,
-    SPEED_OFF,
 )
 from homeassistant.const import ATTR_ENTITY_ID, SERVICE_TURN_OFF, SERVICE_TURN_ON
 from homeassistant.exceptions import HomeAssistantError
@@ -66,7 +64,6 @@ def ceiling_fan_with_breeze(name: str):
 async def turn_fan_on(
     hass: core.HomeAssistant,
     fan_id: str,
-    speed: str | None = None,
     percentage: int | None = None,
     preset_mode: str | None = None,
 ) -> None:
@@ -74,9 +71,7 @@ async def turn_fan_on(
     service_data = {ATTR_ENTITY_ID: fan_id}
     if preset_mode:
         service_data[fan.ATTR_PRESET_MODE] = preset_mode
-    if speed:
-        service_data[fan.ATTR_SPEED] = speed
-    if percentage:
+    if percentage is not None:
         service_data[fan.ATTR_PERCENTAGE] = percentage
     await hass.services.async_call(
         FAN_DOMAIN,
@@ -116,35 +111,27 @@ async def test_non_standard_speed_list(hass: core.HomeAssistant):
         props={"max_speed": 6},
     )
 
-    actual_speeds = hass.states.get("fan.name_1").attributes[ATTR_SPEED_LIST]
-    assert actual_speeds == [
-        fan.SPEED_OFF,
-        fan.SPEED_LOW,
-        fan.SPEED_MEDIUM,
-        fan.SPEED_HIGH,
-    ]
-
     with patch_bond_device_state():
         with patch_bond_action() as mock_set_speed_low:
-            await turn_fan_on(hass, "fan.name_1", fan.SPEED_LOW)
+            await turn_fan_on(hass, "fan.name_1", percentage=100 / 6 * 2)
         mock_set_speed_low.assert_called_once_with(
             "test-device-id", Action.set_speed(2)
         )
 
         with patch_bond_action() as mock_set_speed_medium:
-            await turn_fan_on(hass, "fan.name_1", fan.SPEED_MEDIUM)
+            await turn_fan_on(hass, "fan.name_1", percentage=100 / 6 * 4)
         mock_set_speed_medium.assert_called_once_with(
             "test-device-id", Action.set_speed(4)
         )
 
         with patch_bond_action() as mock_set_speed_high:
-            await turn_fan_on(hass, "fan.name_1", fan.SPEED_HIGH)
+            await turn_fan_on(hass, "fan.name_1", percentage=100)
         mock_set_speed_high.assert_called_once_with(
             "test-device-id", Action.set_speed(6)
         )
 
 
-async def test_fan_speed_with_no_max_seed(hass: core.HomeAssistant):
+async def test_fan_speed_with_no_max_speed(hass: core.HomeAssistant):
     """Tests that fans without max speed (increase/decrease controls) map speed to HA standard."""
     await setup_platform(
         hass,
@@ -155,7 +142,7 @@ async def test_fan_speed_with_no_max_seed(hass: core.HomeAssistant):
         state={"power": 1, "speed": 14},
     )
 
-    assert hass.states.get("fan.name_1").attributes["speed"] == fan.SPEED_HIGH
+    assert hass.states.get("fan.name_1").attributes["percentage"] == 100
 
 
 async def test_turn_on_fan_with_speed(hass: core.HomeAssistant):
@@ -165,7 +152,7 @@ async def test_turn_on_fan_with_speed(hass: core.HomeAssistant):
     )
 
     with patch_bond_action() as mock_set_speed, patch_bond_device_state():
-        await turn_fan_on(hass, "fan.name_1", fan.SPEED_LOW)
+        await turn_fan_on(hass, "fan.name_1", percentage=1)
 
     mock_set_speed.assert_called_with("test-device-id", Action.set_speed(1))
 
@@ -264,9 +251,7 @@ async def test_turn_on_fan_preset_mode_not_supported(hass: core.HomeAssistant):
         props={"max_speed": 6},
     )
 
-    with patch_bond_action(), patch_bond_device_state(), pytest.raises(
-        fan.NotValidPresetModeError
-    ):
+    with patch_bond_action(), patch_bond_device_state(), pytest.raises(ValueError):
         await turn_fan_on(hass, "fan.name_1", preset_mode=PRESET_MODE_BREEZE)
 
     with patch_bond_action(), patch_bond_device_state(), pytest.raises(ValueError):
@@ -296,7 +281,7 @@ async def test_turn_on_fan_with_off_with_breeze(hass: core.HomeAssistant):
     )
 
     with patch_bond_action() as mock_actions, patch_bond_device_state():
-        await turn_fan_on(hass, "fan.name_1", fan.SPEED_OFF)
+        await turn_fan_on(hass, "fan.name_1", percentage=0)
 
     assert mock_actions.mock_calls == [
         call("test-device-id", Action(Action.BREEZE_OFF)),
@@ -316,14 +301,14 @@ async def test_turn_on_fan_without_speed(hass: core.HomeAssistant):
     mock_turn_on.assert_called_with("test-device-id", Action.turn_on())
 
 
-async def test_turn_on_fan_with_off_speed(hass: core.HomeAssistant):
+async def test_turn_on_fan_with_off_percentage(hass: core.HomeAssistant):
     """Tests that turn off command delegates to turn off API."""
     await setup_platform(
         hass, FAN_DOMAIN, ceiling_fan("name-1"), bond_device_id="test-device-id"
     )
 
     with patch_bond_action() as mock_turn_off, patch_bond_device_state():
-        await turn_fan_on(hass, "fan.name_1", fan.SPEED_OFF)
+        await turn_fan_on(hass, "fan.name_1", percentage=0)
 
     mock_turn_off.assert_called_with("test-device-id", Action.turn_off())
 
@@ -337,8 +322,8 @@ async def test_set_speed_off(hass: core.HomeAssistant):
     with patch_bond_action() as mock_turn_off, patch_bond_device_state():
         await hass.services.async_call(
             FAN_DOMAIN,
-            SERVICE_SET_SPEED,
-            service_data={ATTR_ENTITY_ID: "fan.name_1", ATTR_SPEED: SPEED_OFF},
+            SERVICE_SET_PERCENTAGE,
+            service_data={ATTR_ENTITY_ID: "fan.name_1", ATTR_PERCENTAGE: 0},
             blocking=True,
         )
     await hass.async_block_till_done()
@@ -374,7 +359,7 @@ async def test_set_speed_belief_speed_zero(hass: core.HomeAssistant):
         await hass.services.async_call(
             BOND_DOMAIN,
             SERVICE_SET_FAN_SPEED_TRACKED_STATE,
-            {ATTR_ENTITY_ID: "fan.name_1", ATTR_SPEED: 0},
+            {ATTR_ENTITY_ID: "fan.name_1", "speed": 0},
             blocking=True,
         )
         await hass.async_block_till_done()
@@ -396,7 +381,7 @@ async def test_set_speed_belief_speed_api_error(hass: core.HomeAssistant):
         await hass.services.async_call(
             BOND_DOMAIN,
             SERVICE_SET_FAN_SPEED_TRACKED_STATE,
-            {ATTR_ENTITY_ID: "fan.name_1", ATTR_SPEED: 100},
+            {ATTR_ENTITY_ID: "fan.name_1", "speed": 100},
             blocking=True,
         )
         await hass.async_block_till_done()
@@ -412,7 +397,7 @@ async def test_set_speed_belief_speed_100(hass: core.HomeAssistant):
         await hass.services.async_call(
             BOND_DOMAIN,
             SERVICE_SET_FAN_SPEED_TRACKED_STATE,
-            {ATTR_ENTITY_ID: "fan.name_1", ATTR_SPEED: 100},
+            {ATTR_ENTITY_ID: "fan.name_1", "speed": 100},
             blocking=True,
         )
         await hass.async_block_till_done()
diff --git a/tests/components/deconz/test_fan.py b/tests/components/deconz/test_fan.py
index ddd4a4e46f4..6d6877c4500 100644
--- a/tests/components/deconz/test_fan.py
+++ b/tests/components/deconz/test_fan.py
@@ -3,19 +3,14 @@
 from unittest.mock import patch
 
 import pytest
+from voluptuous.error import MultipleInvalid
 
 from homeassistant.components.fan import (
     ATTR_PERCENTAGE,
-    ATTR_SPEED,
     DOMAIN as FAN_DOMAIN,
     SERVICE_SET_PERCENTAGE,
-    SERVICE_SET_SPEED,
     SERVICE_TURN_OFF,
     SERVICE_TURN_ON,
-    SPEED_HIGH,
-    SPEED_LOW,
-    SPEED_MEDIUM,
-    SPEED_OFF,
 )
 from homeassistant.const import ATTR_ENTITY_ID, STATE_OFF, STATE_ON, STATE_UNAVAILABLE
 
@@ -212,7 +207,7 @@ async def test_fans(hass, aioclient_mock, mock_deconz_websocket):
         {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_PERCENTAGE: 0},
         blocking=True,
     )
-    assert aioclient_mock.mock_calls[8][2] == {"speed": 1}
+    assert aioclient_mock.mock_calls[8][2] == {"speed": 0}
 
     # Events with an unsupported speed does not get converted
 
@@ -273,7 +268,6 @@ async def test_fans_legacy_speed_modes(hass, aioclient_mock, mock_deconz_websock
 
     assert len(hass.states.async_all()) == 2  # Light and fan
     assert hass.states.get("fan.ceiling_fan").state == STATE_ON
-    assert hass.states.get("fan.ceiling_fan").attributes[ATTR_SPEED] == SPEED_HIGH
 
     # Test states
 
@@ -289,7 +283,6 @@ async def test_fans_legacy_speed_modes(hass, aioclient_mock, mock_deconz_websock
 
     assert hass.states.get("fan.ceiling_fan").state == STATE_ON
     assert hass.states.get("fan.ceiling_fan").attributes[ATTR_PERCENTAGE] == 25
-    assert hass.states.get("fan.ceiling_fan").attributes[ATTR_SPEED] == SPEED_LOW
 
     event_changed_light = {
         "t": "event",
@@ -303,7 +296,6 @@ async def test_fans_legacy_speed_modes(hass, aioclient_mock, mock_deconz_websock
 
     assert hass.states.get("fan.ceiling_fan").state == STATE_ON
     assert hass.states.get("fan.ceiling_fan").attributes[ATTR_PERCENTAGE] == 50
-    assert hass.states.get("fan.ceiling_fan").attributes[ATTR_SPEED] == SPEED_MEDIUM
 
     event_changed_light = {
         "t": "event",
@@ -317,7 +309,6 @@ async def test_fans_legacy_speed_modes(hass, aioclient_mock, mock_deconz_websock
 
     assert hass.states.get("fan.ceiling_fan").state == STATE_ON
     assert hass.states.get("fan.ceiling_fan").attributes[ATTR_PERCENTAGE] == 75
-    assert hass.states.get("fan.ceiling_fan").attributes[ATTR_SPEED] == SPEED_MEDIUM
 
     event_changed_light = {
         "t": "event",
@@ -331,7 +322,6 @@ async def test_fans_legacy_speed_modes(hass, aioclient_mock, mock_deconz_websock
 
     assert hass.states.get("fan.ceiling_fan").state == STATE_ON
     assert hass.states.get("fan.ceiling_fan").attributes[ATTR_PERCENTAGE] == 100
-    assert hass.states.get("fan.ceiling_fan").attributes[ATTR_SPEED] == SPEED_HIGH
 
     event_changed_light = {
         "t": "event",
@@ -345,7 +335,6 @@ async def test_fans_legacy_speed_modes(hass, aioclient_mock, mock_deconz_websock
 
     assert hass.states.get("fan.ceiling_fan").state == STATE_OFF
     assert hass.states.get("fan.ceiling_fan").attributes[ATTR_PERCENTAGE] == 0
-    assert hass.states.get("fan.ceiling_fan").attributes[ATTR_SPEED] == SPEED_OFF
 
     # Test service calls
 
@@ -367,99 +356,99 @@ async def test_fans_legacy_speed_modes(hass, aioclient_mock, mock_deconz_websock
     await hass.services.async_call(
         FAN_DOMAIN,
         SERVICE_TURN_ON,
-        {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_SPEED: SPEED_OFF},
+        {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_PERCENTAGE: 0},
         blocking=True,
     )
-    assert aioclient_mock.mock_calls[2][2] == {"speed": 1}
+    assert aioclient_mock.mock_calls[2][2] == {"speed": 0}
 
     # Service turn on fan with bad speed
     # async_turn_on_compat use speed_to_percentage which will convert to SPEED_MEDIUM -> 2
 
-    await hass.services.async_call(
-        FAN_DOMAIN,
-        SERVICE_TURN_ON,
-        {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_SPEED: "bad"},
-        blocking=True,
-    )
-    assert aioclient_mock.mock_calls[3][2] == {"speed": 2}
+    with pytest.raises(MultipleInvalid):
+        await hass.services.async_call(
+            FAN_DOMAIN,
+            SERVICE_TURN_ON,
+            {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_PERCENTAGE: "bad"},
+            blocking=True,
+        )
 
     # Service turn on fan to low speed
 
     await hass.services.async_call(
         FAN_DOMAIN,
         SERVICE_TURN_ON,
-        {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_SPEED: SPEED_LOW},
+        {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_PERCENTAGE: 25},
         blocking=True,
     )
-    assert aioclient_mock.mock_calls[4][2] == {"speed": 1}
+    assert aioclient_mock.mock_calls[3][2] == {"speed": 1}
 
     # Service turn on fan to medium speed
 
     await hass.services.async_call(
         FAN_DOMAIN,
         SERVICE_TURN_ON,
-        {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_SPEED: SPEED_MEDIUM},
+        {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_PERCENTAGE: 50},
         blocking=True,
     )
-    assert aioclient_mock.mock_calls[5][2] == {"speed": 2}
+    assert aioclient_mock.mock_calls[4][2] == {"speed": 2}
 
     # Service turn on fan to high speed
 
     await hass.services.async_call(
         FAN_DOMAIN,
         SERVICE_TURN_ON,
-        {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_SPEED: SPEED_HIGH},
+        {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_PERCENTAGE: 100},
         blocking=True,
     )
-    assert aioclient_mock.mock_calls[6][2] == {"speed": 4}
+    assert aioclient_mock.mock_calls[5][2] == {"speed": 4}
 
     # Service set fan speed to low
 
     await hass.services.async_call(
         FAN_DOMAIN,
-        SERVICE_SET_SPEED,
-        {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_SPEED: SPEED_LOW},
+        SERVICE_SET_PERCENTAGE,
+        {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_PERCENTAGE: 25},
         blocking=True,
     )
-    assert aioclient_mock.mock_calls[7][2] == {"speed": 1}
+    assert aioclient_mock.mock_calls[6][2] == {"speed": 1}
 
     # Service set fan speed to medium
 
     await hass.services.async_call(
         FAN_DOMAIN,
-        SERVICE_SET_SPEED,
-        {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_SPEED: SPEED_MEDIUM},
+        SERVICE_SET_PERCENTAGE,
+        {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_PERCENTAGE: 50},
         blocking=True,
     )
-    assert aioclient_mock.mock_calls[8][2] == {"speed": 2}
+    assert aioclient_mock.mock_calls[7][2] == {"speed": 2}
 
     # Service set fan speed to high
 
     await hass.services.async_call(
         FAN_DOMAIN,
-        SERVICE_SET_SPEED,
-        {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_SPEED: SPEED_HIGH},
+        SERVICE_SET_PERCENTAGE,
+        {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_PERCENTAGE: 100},
         blocking=True,
     )
-    assert aioclient_mock.mock_calls[9][2] == {"speed": 4}
+    assert aioclient_mock.mock_calls[8][2] == {"speed": 4}
 
     # Service set fan speed to off
 
     await hass.services.async_call(
         FAN_DOMAIN,
-        SERVICE_SET_SPEED,
-        {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_SPEED: SPEED_OFF},
+        SERVICE_SET_PERCENTAGE,
+        {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_PERCENTAGE: 0},
         blocking=True,
     )
-    assert aioclient_mock.mock_calls[10][2] == {"speed": 0}
+    assert aioclient_mock.mock_calls[9][2] == {"speed": 0}
 
     # Service set fan speed to unsupported value
 
-    with pytest.raises(ValueError):
+    with pytest.raises(MultipleInvalid):
         await hass.services.async_call(
             FAN_DOMAIN,
-            SERVICE_SET_SPEED,
-            {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_SPEED: "bad value"},
+            SERVICE_SET_PERCENTAGE,
+            {ATTR_ENTITY_ID: "fan.ceiling_fan", ATTR_PERCENTAGE: "bad value"},
             blocking=True,
         )
 
@@ -476,7 +465,7 @@ async def test_fans_legacy_speed_modes(hass, aioclient_mock, mock_deconz_websock
     await hass.async_block_till_done()
 
     assert hass.states.get("fan.ceiling_fan").state == STATE_ON
-    assert hass.states.get("fan.ceiling_fan").attributes[ATTR_SPEED] == SPEED_MEDIUM
+    assert hass.states.get("fan.ceiling_fan").attributes[ATTR_PERCENTAGE] == 75
 
     await hass.config_entries.async_unload(config_entry.entry_id)
 
diff --git a/tests/components/demo/test_fan.py b/tests/components/demo/test_fan.py
index 4767a99d0b3..9efcdb26de3 100644
--- a/tests/components/demo/test_fan.py
+++ b/tests/components/demo/test_fan.py
@@ -55,39 +55,6 @@ async def test_turn_on_with_speed_and_percentage(hass, fan_entity_id):
     """Test turning on the device."""
     state = hass.states.get(fan_entity_id)
     assert state.state == STATE_OFF
-    await hass.services.async_call(
-        fan.DOMAIN,
-        SERVICE_TURN_ON,
-        {ATTR_ENTITY_ID: fan_entity_id, fan.ATTR_SPEED: fan.SPEED_HIGH},
-        blocking=True,
-    )
-    state = hass.states.get(fan_entity_id)
-    assert state.state == STATE_ON
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_HIGH
-    assert state.attributes[fan.ATTR_PERCENTAGE] == 100
-
-    await hass.services.async_call(
-        fan.DOMAIN,
-        SERVICE_TURN_ON,
-        {ATTR_ENTITY_ID: fan_entity_id, fan.ATTR_SPEED: fan.SPEED_MEDIUM},
-        blocking=True,
-    )
-    state = hass.states.get(fan_entity_id)
-    assert state.state == STATE_ON
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_MEDIUM
-    assert state.attributes[fan.ATTR_PERCENTAGE] == 66
-
-    await hass.services.async_call(
-        fan.DOMAIN,
-        SERVICE_TURN_ON,
-        {ATTR_ENTITY_ID: fan_entity_id, fan.ATTR_SPEED: fan.SPEED_LOW},
-        blocking=True,
-    )
-    state = hass.states.get(fan_entity_id)
-    assert state.state == STATE_ON
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_LOW
-    assert state.attributes[fan.ATTR_PERCENTAGE] == 33
-
     await hass.services.async_call(
         fan.DOMAIN,
         SERVICE_TURN_ON,
@@ -96,7 +63,6 @@ async def test_turn_on_with_speed_and_percentage(hass, fan_entity_id):
     )
     state = hass.states.get(fan_entity_id)
     assert state.state == STATE_ON
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_HIGH
     assert state.attributes[fan.ATTR_PERCENTAGE] == 100
 
     await hass.services.async_call(
@@ -107,7 +73,6 @@ async def test_turn_on_with_speed_and_percentage(hass, fan_entity_id):
     )
     state = hass.states.get(fan_entity_id)
     assert state.state == STATE_ON
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_MEDIUM
     assert state.attributes[fan.ATTR_PERCENTAGE] == 66
 
     await hass.services.async_call(
@@ -118,7 +83,36 @@ async def test_turn_on_with_speed_and_percentage(hass, fan_entity_id):
     )
     state = hass.states.get(fan_entity_id)
     assert state.state == STATE_ON
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_LOW
+    assert state.attributes[fan.ATTR_PERCENTAGE] == 33
+
+    await hass.services.async_call(
+        fan.DOMAIN,
+        SERVICE_TURN_ON,
+        {ATTR_ENTITY_ID: fan_entity_id, fan.ATTR_PERCENTAGE: 100},
+        blocking=True,
+    )
+    state = hass.states.get(fan_entity_id)
+    assert state.state == STATE_ON
+    assert state.attributes[fan.ATTR_PERCENTAGE] == 100
+
+    await hass.services.async_call(
+        fan.DOMAIN,
+        SERVICE_TURN_ON,
+        {ATTR_ENTITY_ID: fan_entity_id, fan.ATTR_PERCENTAGE: 66},
+        blocking=True,
+    )
+    state = hass.states.get(fan_entity_id)
+    assert state.state == STATE_ON
+    assert state.attributes[fan.ATTR_PERCENTAGE] == 66
+
+    await hass.services.async_call(
+        fan.DOMAIN,
+        SERVICE_TURN_ON,
+        {ATTR_ENTITY_ID: fan_entity_id, fan.ATTR_PERCENTAGE: 33},
+        blocking=True,
+    )
+    state = hass.states.get(fan_entity_id)
+    assert state.state == STATE_ON
     assert state.attributes[fan.ATTR_PERCENTAGE] == 33
 
     await hass.services.async_call(
@@ -129,7 +123,6 @@ async def test_turn_on_with_speed_and_percentage(hass, fan_entity_id):
     )
     state = hass.states.get(fan_entity_id)
     assert state.state == STATE_OFF
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_OFF
     assert state.attributes[fan.ATTR_PERCENTAGE] == 0
 
 
@@ -198,19 +191,8 @@ async def test_turn_on_with_preset_mode_and_speed(hass, fan_entity_id):
     )
     state = hass.states.get(fan_entity_id)
     assert state.state == STATE_ON
-    assert state.attributes[fan.ATTR_SPEED] == PRESET_MODE_AUTO
     assert state.attributes[fan.ATTR_PERCENTAGE] is None
     assert state.attributes[fan.ATTR_PRESET_MODE] == PRESET_MODE_AUTO
-    assert state.attributes[fan.ATTR_SPEED_LIST] == [
-        fan.SPEED_OFF,
-        fan.SPEED_LOW,
-        fan.SPEED_MEDIUM,
-        fan.SPEED_HIGH,
-        PRESET_MODE_AUTO,
-        PRESET_MODE_SMART,
-        PRESET_MODE_SLEEP,
-        PRESET_MODE_ON,
-    ]
     assert state.attributes[fan.ATTR_PRESET_MODES] == [
         PRESET_MODE_AUTO,
         PRESET_MODE_SMART,
@@ -226,7 +208,6 @@ async def test_turn_on_with_preset_mode_and_speed(hass, fan_entity_id):
     )
     state = hass.states.get(fan_entity_id)
     assert state.state == STATE_ON
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_HIGH
     assert state.attributes[fan.ATTR_PERCENTAGE] == 100
     assert state.attributes[fan.ATTR_PRESET_MODE] is None
 
@@ -238,7 +219,6 @@ async def test_turn_on_with_preset_mode_and_speed(hass, fan_entity_id):
     )
     state = hass.states.get(fan_entity_id)
     assert state.state == STATE_ON
-    assert state.attributes[fan.ATTR_SPEED] == PRESET_MODE_SMART
     assert state.attributes[fan.ATTR_PERCENTAGE] is None
     assert state.attributes[fan.ATTR_PRESET_MODE] == PRESET_MODE_SMART
 
@@ -247,7 +227,6 @@ async def test_turn_on_with_preset_mode_and_speed(hass, fan_entity_id):
     )
     state = hass.states.get(fan_entity_id)
     assert state.state == STATE_OFF
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_OFF
     assert state.attributes[fan.ATTR_PERCENTAGE] == 0
     assert state.attributes[fan.ATTR_PRESET_MODE] is None
 
@@ -262,7 +241,6 @@ async def test_turn_on_with_preset_mode_and_speed(hass, fan_entity_id):
 
     state = hass.states.get(fan_entity_id)
     assert state.state == STATE_OFF
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_OFF
     assert state.attributes[fan.ATTR_PERCENTAGE] == 0
     assert state.attributes[fan.ATTR_PRESET_MODE] is None
 
@@ -321,50 +299,6 @@ async def test_set_direction(hass, fan_entity_id):
     assert state.attributes[fan.ATTR_DIRECTION] == fan.DIRECTION_REVERSE
 
 
-@pytest.mark.parametrize("fan_entity_id", LIMITED_AND_FULL_FAN_ENTITY_IDS)
-async def test_set_speed(hass, fan_entity_id):
-    """Test setting the speed of the device."""
-    state = hass.states.get(fan_entity_id)
-    assert state.state == STATE_OFF
-
-    await hass.services.async_call(
-        fan.DOMAIN,
-        fan.SERVICE_SET_SPEED,
-        {ATTR_ENTITY_ID: fan_entity_id, fan.ATTR_SPEED: fan.SPEED_LOW},
-        blocking=True,
-    )
-    state = hass.states.get(fan_entity_id)
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_LOW
-
-    await hass.services.async_call(
-        fan.DOMAIN,
-        fan.SERVICE_SET_SPEED,
-        {ATTR_ENTITY_ID: fan_entity_id, fan.ATTR_SPEED: fan.SPEED_OFF},
-        blocking=True,
-    )
-    state = hass.states.get(fan_entity_id)
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_OFF
-
-
-@pytest.mark.parametrize("fan_entity_id", FANS_WITH_PRESET_MODES)
-async def test_set_preset_mode_with_legacy_speed_service(hass, fan_entity_id):
-    """Test setting the preset mode is possible with the legacy service for backwards compat."""
-    state = hass.states.get(fan_entity_id)
-    assert state.state == STATE_OFF
-
-    await hass.services.async_call(
-        fan.DOMAIN,
-        fan.SERVICE_SET_SPEED,
-        {ATTR_ENTITY_ID: fan_entity_id, fan.ATTR_SPEED: PRESET_MODE_AUTO},
-        blocking=True,
-    )
-    state = hass.states.get(fan_entity_id)
-    assert state.state == STATE_ON
-    assert state.attributes[fan.ATTR_SPEED] == PRESET_MODE_AUTO
-    assert state.attributes[fan.ATTR_PERCENTAGE] is None
-    assert state.attributes[fan.ATTR_PRESET_MODE] == PRESET_MODE_AUTO
-
-
 @pytest.mark.parametrize("fan_entity_id", FANS_WITH_PRESET_MODES)
 async def test_set_preset_mode(hass, fan_entity_id):
     """Test setting the preset mode of the device."""
@@ -379,7 +313,6 @@ async def test_set_preset_mode(hass, fan_entity_id):
     )
     state = hass.states.get(fan_entity_id)
     assert state.state == STATE_ON
-    assert state.attributes[fan.ATTR_SPEED] == PRESET_MODE_AUTO
     assert state.attributes[fan.ATTR_PERCENTAGE] is None
     assert state.attributes[fan.ATTR_PRESET_MODE] == PRESET_MODE_AUTO
 
@@ -422,7 +355,6 @@ async def test_set_percentage(hass, fan_entity_id):
         blocking=True,
     )
     state = hass.states.get(fan_entity_id)
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_LOW
     assert state.attributes[fan.ATTR_PERCENTAGE] == 33
 
 
@@ -440,7 +372,6 @@ async def test_increase_decrease_speed(hass, fan_entity_id):
         blocking=True,
     )
     state = hass.states.get(fan_entity_id)
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_LOW
     assert state.attributes[fan.ATTR_PERCENTAGE] == 33
 
     await hass.services.async_call(
@@ -450,7 +381,6 @@ async def test_increase_decrease_speed(hass, fan_entity_id):
         blocking=True,
     )
     state = hass.states.get(fan_entity_id)
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_MEDIUM
     assert state.attributes[fan.ATTR_PERCENTAGE] == 66
 
     await hass.services.async_call(
@@ -460,7 +390,6 @@ async def test_increase_decrease_speed(hass, fan_entity_id):
         blocking=True,
     )
     state = hass.states.get(fan_entity_id)
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_HIGH
     assert state.attributes[fan.ATTR_PERCENTAGE] == 100
 
     await hass.services.async_call(
@@ -470,7 +399,6 @@ async def test_increase_decrease_speed(hass, fan_entity_id):
         blocking=True,
     )
     state = hass.states.get(fan_entity_id)
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_HIGH
     assert state.attributes[fan.ATTR_PERCENTAGE] == 100
 
     await hass.services.async_call(
@@ -481,7 +409,6 @@ async def test_increase_decrease_speed(hass, fan_entity_id):
     )
     state = hass.states.get(fan_entity_id)
     assert state.attributes[fan.ATTR_PERCENTAGE] == 66
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_MEDIUM
 
     await hass.services.async_call(
         fan.DOMAIN,
@@ -490,7 +417,6 @@ async def test_increase_decrease_speed(hass, fan_entity_id):
         blocking=True,
     )
     state = hass.states.get(fan_entity_id)
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_LOW
     assert state.attributes[fan.ATTR_PERCENTAGE] == 33
 
     await hass.services.async_call(
@@ -500,7 +426,6 @@ async def test_increase_decrease_speed(hass, fan_entity_id):
         blocking=True,
     )
     state = hass.states.get(fan_entity_id)
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_OFF
     assert state.attributes[fan.ATTR_PERCENTAGE] == 0
 
     await hass.services.async_call(
@@ -510,7 +435,6 @@ async def test_increase_decrease_speed(hass, fan_entity_id):
         blocking=True,
     )
     state = hass.states.get(fan_entity_id)
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_OFF
     assert state.attributes[fan.ATTR_PERCENTAGE] == 0
 
 
@@ -524,7 +448,6 @@ async def test_increase_decrease_speed_with_percentage_step(hass, fan_entity_id)
         blocking=True,
     )
     state = hass.states.get(fan_entity_id)
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_LOW
     assert state.attributes[fan.ATTR_PERCENTAGE] == 25
 
     await hass.services.async_call(
@@ -534,7 +457,6 @@ async def test_increase_decrease_speed_with_percentage_step(hass, fan_entity_id)
         blocking=True,
     )
     state = hass.states.get(fan_entity_id)
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_MEDIUM
     assert state.attributes[fan.ATTR_PERCENTAGE] == 50
 
     await hass.services.async_call(
@@ -544,7 +466,6 @@ async def test_increase_decrease_speed_with_percentage_step(hass, fan_entity_id)
         blocking=True,
     )
     state = hass.states.get(fan_entity_id)
-    assert state.attributes[fan.ATTR_SPEED] == fan.SPEED_HIGH
     assert state.attributes[fan.ATTR_PERCENTAGE] == 75
 
 
diff --git a/tests/components/emulated_hue/test_hue_api.py b/tests/components/emulated_hue/test_hue_api.py
index 19a31b4566b..dd27eed9771 100644
--- a/tests/components/emulated_hue/test_hue_api.py
+++ b/tests/components/emulated_hue/test_hue_api.py
@@ -1033,17 +1033,14 @@ async def test_put_light_state_fan(hass_hue, hue_client):
 
     living_room_fan = hass_hue.states.get("fan.living_room_fan")
     assert living_room_fan.state == "on"
-    assert living_room_fan.attributes[fan.ATTR_SPEED] == fan.SPEED_MEDIUM
+    assert living_room_fan.attributes[fan.ATTR_PERCENTAGE] == 43
 
     # Check setting the brightness of a fan to 0, 33%, 66% and 100% will respectively turn it off, low, medium or high
     # We also check non-cached GET value to exercise the code.
     await perform_put_light_state(
         hass_hue, hue_client, "fan.living_room_fan", True, brightness=0
     )
-    assert (
-        hass_hue.states.get("fan.living_room_fan").attributes[fan.ATTR_SPEED]
-        == fan.SPEED_OFF
-    )
+    assert hass_hue.states.get("fan.living_room_fan").state == STATE_OFF
     await perform_put_light_state(
         hass_hue,
         hue_client,
@@ -1052,8 +1049,7 @@ async def test_put_light_state_fan(hass_hue, hue_client):
         brightness=round(33 * 254 / 100),
     )
     assert (
-        hass_hue.states.get("fan.living_room_fan").attributes[fan.ATTR_SPEED]
-        == fan.SPEED_LOW
+        hass_hue.states.get("fan.living_room_fan").attributes[fan.ATTR_PERCENTAGE] == 33
     )
     with patch.object(hue_api, "STATE_CACHED_TIMEOUT", 0.000001):
         await asyncio.sleep(0.000001)
@@ -1070,8 +1066,7 @@ async def test_put_light_state_fan(hass_hue, hue_client):
         brightness=round(66 * 254 / 100),
     )
     assert (
-        hass_hue.states.get("fan.living_room_fan").attributes[fan.ATTR_SPEED]
-        == fan.SPEED_MEDIUM
+        hass_hue.states.get("fan.living_room_fan").attributes[fan.ATTR_PERCENTAGE] == 66
     )
     with patch.object(hue_api, "STATE_CACHED_TIMEOUT", 0.000001):
         await asyncio.sleep(0.000001)
@@ -1079,7 +1074,7 @@ async def test_put_light_state_fan(hass_hue, hue_client):
             hue_client, "fan.living_room_fan", HTTPStatus.OK
         )
         assert (
-            round(fan_json["state"][HUE_API_STATE_BRI] * 100 / 254) == 67
+            round(fan_json["state"][HUE_API_STATE_BRI] * 100 / 254) == 66
         )  # small rounding error in inverse operation
 
     await perform_put_light_state(
@@ -1090,8 +1085,8 @@ async def test_put_light_state_fan(hass_hue, hue_client):
         brightness=round(100 * 254 / 100),
     )
     assert (
-        hass_hue.states.get("fan.living_room_fan").attributes[fan.ATTR_SPEED]
-        == fan.SPEED_HIGH
+        hass_hue.states.get("fan.living_room_fan").attributes[fan.ATTR_PERCENTAGE]
+        == 100
     )
     with patch.object(hue_api, "STATE_CACHED_TIMEOUT", 0.000001):
         await asyncio.sleep(0.000001)
diff --git a/tests/components/emulated_kasa/test_init.py b/tests/components/emulated_kasa/test_init.py
index d68221d84fd..72fc4dd94e2 100644
--- a/tests/components/emulated_kasa/test_init.py
+++ b/tests/components/emulated_kasa/test_init.py
@@ -9,9 +9,9 @@ from homeassistant.components.emulated_kasa.const import (
     DOMAIN,
 )
 from homeassistant.components.fan import (
-    ATTR_SPEED,
+    ATTR_PERCENTAGE,
     DOMAIN as FAN_DOMAIN,
-    SERVICE_SET_SPEED,
+    SERVICE_SET_PERCENTAGE,
 )
 from homeassistant.components.light import DOMAIN as LIGHT_DOMAIN
 from homeassistant.components.sensor import DOMAIN as SENSOR_DOMAIN
@@ -57,15 +57,15 @@ CONFIG = {
             ENTITY_FAN: {
                 CONF_POWER: "{% if is_state_attr('"
                 + ENTITY_FAN
-                + "','speed', 'low') %} "
+                + "','percentage', 33) %} "
                 + str(ENTITY_FAN_SPEED_LOW)
                 + "{% elif is_state_attr('"
                 + ENTITY_FAN
-                + "','speed', 'medium') %} "
+                + "','percentage', 66) %} "
                 + str(ENTITY_FAN_SPEED_MED)
                 + "{% elif is_state_attr('"
                 + ENTITY_FAN
-                + "','speed', 'high') %} "
+                + "','percentage', 100) %} "
                 + str(ENTITY_FAN_SPEED_HIGH)
                 + "{% endif %}"
             },
@@ -109,15 +109,15 @@ CONFIG_FAN = {
             ENTITY_FAN: {
                 CONF_POWER: "{% if is_state_attr('"
                 + ENTITY_FAN
-                + "','speed', 'low') %} "
+                + "','percentage', 33) %} "
                 + str(ENTITY_FAN_SPEED_LOW)
                 + "{% elif is_state_attr('"
                 + ENTITY_FAN
-                + "','speed', 'medium') %} "
+                + "','percentage', 66) %} "
                 + str(ENTITY_FAN_SPEED_MED)
                 + "{% elif is_state_attr('"
                 + ENTITY_FAN
-                + "','speed', 'high') %} "
+                + "','percentage', 100) %} "
                 + str(ENTITY_FAN_SPEED_HIGH)
                 + "{% endif %}"
             },
@@ -125,6 +125,7 @@ CONFIG_FAN = {
     }
 }
 
+
 CONFIG_SENSOR = {
     DOMAIN: {
         CONF_ENTITIES: {
@@ -281,8 +282,8 @@ async def test_template(hass):
     )
     await hass.services.async_call(
         FAN_DOMAIN,
-        SERVICE_SET_SPEED,
-        {ATTR_ENTITY_ID: ENTITY_FAN, ATTR_SPEED: "low"},
+        SERVICE_SET_PERCENTAGE,
+        {ATTR_ENTITY_ID: ENTITY_FAN, ATTR_PERCENTAGE: 33},
         blocking=True,
     )
 
@@ -299,8 +300,8 @@ async def test_template(hass):
     # Fan High:
     await hass.services.async_call(
         FAN_DOMAIN,
-        SERVICE_SET_SPEED,
-        {ATTR_ENTITY_ID: ENTITY_FAN, ATTR_SPEED: "high"},
+        SERVICE_SET_PERCENTAGE,
+        {ATTR_ENTITY_ID: ENTITY_FAN, ATTR_PERCENTAGE: 100},
         blocking=True,
     )
     plug_it = emulated_kasa.get_plug_devices(hass, config)
@@ -462,8 +463,8 @@ async def test_multiple_devices(hass):
     )
     await hass.services.async_call(
         FAN_DOMAIN,
-        SERVICE_SET_SPEED,
-        {ATTR_ENTITY_ID: ENTITY_FAN, ATTR_SPEED: "medium"},
+        SERVICE_SET_PERCENTAGE,
+        {ATTR_ENTITY_ID: ENTITY_FAN, ATTR_PERCENTAGE: 66},
         blocking=True,
     )
 
diff --git a/tests/components/fan/common.py b/tests/components/fan/common.py
index c32686b9311..58264d80817 100644
--- a/tests/components/fan/common.py
+++ b/tests/components/fan/common.py
@@ -9,7 +9,6 @@ from homeassistant.components.fan import (
     ATTR_PERCENTAGE,
     ATTR_PERCENTAGE_STEP,
     ATTR_PRESET_MODE,
-    ATTR_SPEED,
     DOMAIN,
     SERVICE_DECREASE_SPEED,
     SERVICE_INCREASE_SPEED,
@@ -17,7 +16,6 @@ from homeassistant.components.fan import (
     SERVICE_SET_DIRECTION,
     SERVICE_SET_PERCENTAGE,
     SERVICE_SET_PRESET_MODE,
-    SERVICE_SET_SPEED,
 )
 from homeassistant.const import (
     ATTR_ENTITY_ID,
@@ -30,7 +28,6 @@ from homeassistant.const import (
 async def async_turn_on(
     hass,
     entity_id=ENTITY_MATCH_ALL,
-    speed: str = None,
     percentage: int = None,
     preset_mode: str = None,
 ) -> None:
@@ -39,7 +36,6 @@ async def async_turn_on(
         key: value
         for key, value in [
             (ATTR_ENTITY_ID, entity_id),
-            (ATTR_SPEED, speed),
             (ATTR_PERCENTAGE, percentage),
             (ATTR_PRESET_MODE, preset_mode),
         ]
@@ -72,17 +68,6 @@ async def async_oscillate(
     await hass.services.async_call(DOMAIN, SERVICE_OSCILLATE, data, blocking=True)
 
 
-async def async_set_speed(hass, entity_id=ENTITY_MATCH_ALL, speed: str = None) -> None:
-    """Set speed for all or specified fan."""
-    data = {
-        key: value
-        for key, value in [(ATTR_ENTITY_ID, entity_id), (ATTR_SPEED, speed)]
-        if value is not None
-    }
-
-    await hass.services.async_call(DOMAIN, SERVICE_SET_SPEED, data, blocking=True)
-
-
 async def async_set_preset_mode(
     hass, entity_id=ENTITY_MATCH_ALL, preset_mode: str = None
 ) -> None:
diff --git a/tests/components/fan/test_init.py b/tests/components/fan/test_init.py
index d29d4378941..f7021c0fb66 100644
--- a/tests/components/fan/test_init.py
+++ b/tests/components/fan/test_init.py
@@ -16,7 +16,6 @@ def test_fanentity():
     """Test fan entity methods."""
     fan = BaseFan()
     assert fan.state == "off"
-    assert len(fan.speed_list) == 4  # legacy compat off,low,medium,high
     assert fan.preset_modes is None
     assert fan.supported_features == 0
     assert fan.percentage_step == 1
@@ -25,7 +24,7 @@ def test_fanentity():
     # Test set_speed not required
     with pytest.raises(NotImplementedError):
         fan.oscillate(True)
-    with pytest.raises(NotImplementedError):
+    with pytest.raises(AttributeError):
         fan.set_speed("low")
     with pytest.raises(NotImplementedError):
         fan.set_percentage(0)
@@ -42,7 +41,6 @@ async def test_async_fanentity(hass):
     fan = BaseFan()
     fan.hass = hass
     assert fan.state == "off"
-    assert len(fan.speed_list) == 4  # legacy compat off,low,medium,high
     assert fan.preset_modes is None
     assert fan.supported_features == 0
     assert fan.percentage_step == 1
@@ -51,7 +49,7 @@ async def test_async_fanentity(hass):
     # Test set_speed not required
     with pytest.raises(NotImplementedError):
         await fan.async_oscillate(True)
-    with pytest.raises(NotImplementedError):
+    with pytest.raises(AttributeError):
         await fan.async_set_speed("low")
     with pytest.raises(NotImplementedError):
         await fan.async_set_percentage(0)
diff --git a/tests/components/fan/test_reproduce_state.py b/tests/components/fan/test_reproduce_state.py
index 149332b3fa8..eb429669429 100644
--- a/tests/components/fan/test_reproduce_state.py
+++ b/tests/components/fan/test_reproduce_state.py
@@ -8,7 +8,7 @@ async def test_reproducing_states(hass, caplog):
     """Test reproducing Fan states."""
     hass.states.async_set("fan.entity_off", "off", {})
     hass.states.async_set("fan.entity_on", "on", {})
-    hass.states.async_set("fan.entity_speed", "on", {"speed": "high"})
+    hass.states.async_set("fan.entity_speed", "on", {"percentage": 100})
     hass.states.async_set("fan.entity_oscillating", "on", {"oscillating": True})
     hass.states.async_set("fan.entity_direction", "on", {"direction": "forward"})
 
@@ -16,14 +16,14 @@ async def test_reproducing_states(hass, caplog):
     turn_off_calls = async_mock_service(hass, "fan", "turn_off")
     set_direction_calls = async_mock_service(hass, "fan", "set_direction")
     oscillate_calls = async_mock_service(hass, "fan", "oscillate")
-    set_speed_calls = async_mock_service(hass, "fan", "set_speed")
+    set_percentage_calls = async_mock_service(hass, "fan", "set_percentage")
 
     # These calls should do nothing as entities already in desired state
     await hass.helpers.state.async_reproduce_state(
         [
             State("fan.entity_off", "off"),
             State("fan.entity_on", "on"),
-            State("fan.entity_speed", "on", {"speed": "high"}),
+            State("fan.entity_speed", "on", {"percentage": 100}),
             State("fan.entity_oscillating", "on", {"oscillating": True}),
             State("fan.entity_direction", "on", {"direction": "forward"}),
         ],
@@ -33,7 +33,6 @@ async def test_reproducing_states(hass, caplog):
     assert len(turn_off_calls) == 0
     assert len(set_direction_calls) == 0
     assert len(oscillate_calls) == 0
-    assert len(set_speed_calls) == 0
 
     # Test invalid state is handled
     await hass.helpers.state.async_reproduce_state(
@@ -45,14 +44,14 @@ async def test_reproducing_states(hass, caplog):
     assert len(turn_off_calls) == 0
     assert len(set_direction_calls) == 0
     assert len(oscillate_calls) == 0
-    assert len(set_speed_calls) == 0
+    assert len(set_percentage_calls) == 0
 
     # Make sure correct services are called
     await hass.helpers.state.async_reproduce_state(
         [
             State("fan.entity_on", "off"),
             State("fan.entity_off", "on"),
-            State("fan.entity_speed", "on", {"speed": "low"}),
+            State("fan.entity_speed", "on", {"percentage": 25}),
             State("fan.entity_oscillating", "on", {"oscillating": False}),
             State("fan.entity_direction", "on", {"direction": "reverse"}),
             # Should not raise
@@ -78,9 +77,12 @@ async def test_reproducing_states(hass, caplog):
         "oscillating": False,
     }
 
-    assert len(set_speed_calls) == 1
-    assert set_speed_calls[0].domain == "fan"
-    assert set_speed_calls[0].data == {"entity_id": "fan.entity_speed", "speed": "low"}
+    assert len(set_percentage_calls) == 1
+    assert set_percentage_calls[0].domain == "fan"
+    assert set_percentage_calls[0].data == {
+        "entity_id": "fan.entity_speed",
+        "percentage": 25,
+    }
 
     assert len(turn_off_calls) == 1
     assert turn_off_calls[0].domain == "fan"
diff --git a/tests/components/google_assistant/test_trait.py b/tests/components/google_assistant/test_trait.py
index a56a8f967e6..0012826074b 100644
--- a/tests/components/google_assistant/test_trait.py
+++ b/tests/components/google_assistant/test_trait.py
@@ -1589,7 +1589,7 @@ async def test_fan_speed(hass):
         hass,
         State(
             "fan.living_room_fan",
-            fan.SPEED_HIGH,
+            STATE_ON,
             attributes={
                 "percentage": 33,
                 "percentage_step": 1.0,
@@ -1633,7 +1633,7 @@ async def test_fan_reverse(hass, direction_state, direction_call):
         hass,
         State(
             "fan.living_room_fan",
-            fan.SPEED_HIGH,
+            STATE_ON,
             attributes={
                 "percentage": 33,
                 "percentage_step": 1.0,
diff --git a/tests/components/homekit_controller/specific_devices/test_haa_fan.py b/tests/components/homekit_controller/specific_devices/test_haa_fan.py
index ae67bda2000..9d5983650d7 100644
--- a/tests/components/homekit_controller/specific_devices/test_haa_fan.py
+++ b/tests/components/homekit_controller/specific_devices/test_haa_fan.py
@@ -59,7 +59,6 @@ async def test_haa_fan_setup(hass):
                     supported_features=SUPPORT_SET_SPEED,
                     capabilities={
                         "preset_modes": None,
-                        "speed_list": ["off", "low", "medium", "high"],
                     },
                 ),
                 EntityTestInfo(
diff --git a/tests/components/homekit_controller/specific_devices/test_homeassistant_bridge.py b/tests/components/homekit_controller/specific_devices/test_homeassistant_bridge.py
index 33e53e9413c..76fab93b013 100644
--- a/tests/components/homekit_controller/specific_devices/test_homeassistant_bridge.py
+++ b/tests/components/homekit_controller/specific_devices/test_homeassistant_bridge.py
@@ -55,7 +55,6 @@ async def test_homeassistant_bridge_fan_setup(hass):
                             ),
                             capabilities={
                                 "preset_modes": None,
-                                "speed_list": ["off", "low", "medium", "high"],
                             },
                             state="off",
                         )
diff --git a/tests/components/homekit_controller/specific_devices/test_simpleconnect_fan.py b/tests/components/homekit_controller/specific_devices/test_simpleconnect_fan.py
index ce21d643bab..d3531e1c65f 100644
--- a/tests/components/homekit_controller/specific_devices/test_simpleconnect_fan.py
+++ b/tests/components/homekit_controller/specific_devices/test_simpleconnect_fan.py
@@ -40,7 +40,6 @@ async def test_simpleconnect_fan_setup(hass):
                     supported_features=SUPPORT_DIRECTION | SUPPORT_SET_SPEED,
                     capabilities={
                         "preset_modes": None,
-                        "speed_list": ["off", "low", "medium", "high"],
                     },
                     state="off",
                 ),
diff --git a/tests/components/homekit_controller/test_fan.py b/tests/components/homekit_controller/test_fan.py
index 252e7f87bed..faaaa2e666f 100644
--- a/tests/components/homekit_controller/test_fan.py
+++ b/tests/components/homekit_controller/test_fan.py
@@ -95,7 +95,7 @@ async def test_turn_on(hass, utcnow):
     await hass.services.async_call(
         "fan",
         "turn_on",
-        {"entity_id": "fan.testdevice", "speed": "high"},
+        {"entity_id": "fan.testdevice", "percentage": 100},
         blocking=True,
     )
     helper.async_assert_service_values(
@@ -109,7 +109,7 @@ async def test_turn_on(hass, utcnow):
     await hass.services.async_call(
         "fan",
         "turn_on",
-        {"entity_id": "fan.testdevice", "speed": "medium"},
+        {"entity_id": "fan.testdevice", "percentage": 66},
         blocking=True,
     )
     helper.async_assert_service_values(
@@ -123,7 +123,7 @@ async def test_turn_on(hass, utcnow):
     await hass.services.async_call(
         "fan",
         "turn_on",
-        {"entity_id": "fan.testdevice", "speed": "low"},
+        {"entity_id": "fan.testdevice", "percentage": 33},
         blocking=True,
     )
     helper.async_assert_service_values(
@@ -196,8 +196,8 @@ async def test_set_speed(hass, utcnow):
 
     await hass.services.async_call(
         "fan",
-        "set_speed",
-        {"entity_id": "fan.testdevice", "speed": "high"},
+        "set_percentage",
+        {"entity_id": "fan.testdevice", "percentage": 100},
         blocking=True,
     )
     helper.async_assert_service_values(
@@ -209,8 +209,8 @@ async def test_set_speed(hass, utcnow):
 
     await hass.services.async_call(
         "fan",
-        "set_speed",
-        {"entity_id": "fan.testdevice", "speed": "medium"},
+        "set_percentage",
+        {"entity_id": "fan.testdevice", "percentage": 66},
         blocking=True,
     )
     helper.async_assert_service_values(
@@ -222,8 +222,8 @@ async def test_set_speed(hass, utcnow):
 
     await hass.services.async_call(
         "fan",
-        "set_speed",
-        {"entity_id": "fan.testdevice", "speed": "low"},
+        "set_percentage",
+        {"entity_id": "fan.testdevice", "percentage": 33},
         blocking=True,
     )
     helper.async_assert_service_values(
@@ -235,8 +235,8 @@ async def test_set_speed(hass, utcnow):
 
     await hass.services.async_call(
         "fan",
-        "set_speed",
-        {"entity_id": "fan.testdevice", "speed": "off"},
+        "set_percentage",
+        {"entity_id": "fan.testdevice", "percentage": 0},
         blocking=True,
     )
     helper.async_assert_service_values(
@@ -291,7 +291,6 @@ async def test_speed_read(hass, utcnow):
             CharacteristicsTypes.ROTATION_SPEED: 100,
         },
     )
-    assert state.attributes["speed"] == "high"
     assert state.attributes["percentage"] == 100
     assert state.attributes["percentage_step"] == 1.0
 
@@ -301,7 +300,6 @@ async def test_speed_read(hass, utcnow):
             CharacteristicsTypes.ROTATION_SPEED: 50,
         },
     )
-    assert state.attributes["speed"] == "medium"
     assert state.attributes["percentage"] == 50
 
     state = await helper.async_update(
@@ -310,7 +308,6 @@ async def test_speed_read(hass, utcnow):
             CharacteristicsTypes.ROTATION_SPEED: 25,
         },
     )
-    assert state.attributes["speed"] == "low"
     assert state.attributes["percentage"] == 25
 
     state = await helper.async_update(
@@ -320,7 +317,6 @@ async def test_speed_read(hass, utcnow):
             CharacteristicsTypes.ROTATION_SPEED: 0,
         },
     )
-    assert state.attributes["speed"] == "off"
     assert state.attributes["percentage"] == 0
 
 
@@ -392,7 +388,7 @@ async def test_v2_turn_on(hass, utcnow):
     await hass.services.async_call(
         "fan",
         "turn_on",
-        {"entity_id": "fan.testdevice", "speed": "high"},
+        {"entity_id": "fan.testdevice", "percentage": 100},
         blocking=True,
     )
     helper.async_assert_service_values(
@@ -406,7 +402,7 @@ async def test_v2_turn_on(hass, utcnow):
     await hass.services.async_call(
         "fan",
         "turn_on",
-        {"entity_id": "fan.testdevice", "speed": "medium"},
+        {"entity_id": "fan.testdevice", "percentage": 66},
         blocking=True,
     )
     helper.async_assert_service_values(
@@ -420,7 +416,7 @@ async def test_v2_turn_on(hass, utcnow):
     await hass.services.async_call(
         "fan",
         "turn_on",
-        {"entity_id": "fan.testdevice", "speed": "low"},
+        {"entity_id": "fan.testdevice", "percentage": 33},
         blocking=True,
     )
     helper.async_assert_service_values(
@@ -488,8 +484,8 @@ async def test_v2_set_speed(hass, utcnow):
 
     await hass.services.async_call(
         "fan",
-        "set_speed",
-        {"entity_id": "fan.testdevice", "speed": "high"},
+        "set_percentage",
+        {"entity_id": "fan.testdevice", "percentage": 100},
         blocking=True,
     )
     helper.async_assert_service_values(
@@ -501,8 +497,8 @@ async def test_v2_set_speed(hass, utcnow):
 
     await hass.services.async_call(
         "fan",
-        "set_speed",
-        {"entity_id": "fan.testdevice", "speed": "medium"},
+        "set_percentage",
+        {"entity_id": "fan.testdevice", "percentage": 66},
         blocking=True,
     )
     helper.async_assert_service_values(
@@ -514,8 +510,8 @@ async def test_v2_set_speed(hass, utcnow):
 
     await hass.services.async_call(
         "fan",
-        "set_speed",
-        {"entity_id": "fan.testdevice", "speed": "low"},
+        "set_percentage",
+        {"entity_id": "fan.testdevice", "percentage": 33},
         blocking=True,
     )
     helper.async_assert_service_values(
@@ -527,8 +523,8 @@ async def test_v2_set_speed(hass, utcnow):
 
     await hass.services.async_call(
         "fan",
-        "set_speed",
-        {"entity_id": "fan.testdevice", "speed": "off"},
+        "set_percentage",
+        {"entity_id": "fan.testdevice", "percentage": 0},
         blocking=True,
     )
     helper.async_assert_service_values(
@@ -616,7 +612,6 @@ async def test_v2_speed_read(hass, utcnow):
             CharacteristicsTypes.ROTATION_SPEED: 100,
         },
     )
-    assert state.attributes["speed"] == "high"
     assert state.attributes["percentage"] == 100
 
     state = await helper.async_update(
@@ -625,7 +620,6 @@ async def test_v2_speed_read(hass, utcnow):
             CharacteristicsTypes.ROTATION_SPEED: 50,
         },
     )
-    assert state.attributes["speed"] == "medium"
     assert state.attributes["percentage"] == 50
 
     state = await helper.async_update(
@@ -634,7 +628,6 @@ async def test_v2_speed_read(hass, utcnow):
             CharacteristicsTypes.ROTATION_SPEED: 25,
         },
     )
-    assert state.attributes["speed"] == "low"
     assert state.attributes["percentage"] == 25
 
     state = await helper.async_update(
@@ -644,7 +637,6 @@ async def test_v2_speed_read(hass, utcnow):
             CharacteristicsTypes.ROTATION_SPEED: 0,
         },
     )
-    assert state.attributes["speed"] == "off"
     assert state.attributes["percentage"] == 0
 
 
diff --git a/tests/components/melissa/test_climate.py b/tests/components/melissa/test_climate.py
index 224a878b065..6eea6a8144b 100644
--- a/tests/components/melissa/test_climate.py
+++ b/tests/components/melissa/test_climate.py
@@ -3,6 +3,9 @@ import json
 from unittest.mock import AsyncMock, Mock, patch
 
 from homeassistant.components.climate.const import (
+    FAN_HIGH,
+    FAN_LOW,
+    FAN_MEDIUM,
     HVAC_MODE_COOL,
     HVAC_MODE_DRY,
     HVAC_MODE_FAN_ONLY,
@@ -11,7 +14,6 @@ from homeassistant.components.climate.const import (
     SUPPORT_FAN_MODE,
     SUPPORT_TARGET_TEMPERATURE,
 )
-from homeassistant.components.fan import SPEED_HIGH, SPEED_LOW, SPEED_MEDIUM
 from homeassistant.components.melissa import DATA_MELISSA, climate as melissa
 from homeassistant.components.melissa.climate import MelissaClimate
 from homeassistant.const import ATTR_TEMPERATURE, TEMP_CELSIUS
@@ -94,7 +96,7 @@ async def test_current_fan_mode(hass):
         device = (await api.async_fetch_devices())[_SERIAL]
         thermostat = MelissaClimate(api, _SERIAL, device)
         await thermostat.async_update()
-        assert thermostat.fan_mode == SPEED_LOW
+        assert thermostat.fan_mode == FAN_LOW
 
         thermostat._cur_settings = None
         assert thermostat.fan_mode is None
@@ -162,7 +164,7 @@ async def test_fan_modes(hass):
         api = melissa_mock()
         device = (await api.async_fetch_devices())[_SERIAL]
         thermostat = MelissaClimate(api, _SERIAL, device)
-        assert ["auto", SPEED_HIGH, SPEED_MEDIUM, SPEED_LOW] == thermostat.fan_modes
+        assert ["auto", FAN_HIGH, FAN_MEDIUM, FAN_LOW] == thermostat.fan_modes
 
 
 async def test_target_temperature(hass):
@@ -247,9 +249,9 @@ async def test_fan_mode(hass):
         thermostat = MelissaClimate(api, _SERIAL, device)
         await thermostat.async_update()
         await hass.async_block_till_done()
-        await thermostat.async_set_fan_mode(SPEED_HIGH)
+        await thermostat.async_set_fan_mode(FAN_HIGH)
         await hass.async_block_till_done()
-        assert thermostat.fan_mode == SPEED_HIGH
+        assert thermostat.fan_mode == FAN_HIGH
 
 
 async def test_set_operation_mode(hass):
@@ -275,12 +277,12 @@ async def test_send(hass):
         await hass.async_block_till_done()
         await thermostat.async_send({"fan": api.FAN_MEDIUM})
         await hass.async_block_till_done()
-        assert thermostat.fan_mode == SPEED_MEDIUM
+        assert thermostat.fan_mode == FAN_MEDIUM
         api.async_send.return_value = AsyncMock(return_value=False)
         thermostat._cur_settings = None
         await thermostat.async_send({"fan": api.FAN_LOW})
         await hass.async_block_till_done()
-        assert SPEED_LOW != thermostat.fan_mode
+        assert FAN_LOW != thermostat.fan_mode
         assert thermostat._cur_settings is None
 
 
@@ -293,7 +295,7 @@ async def test_update(hass):
         device = (await api.async_fetch_devices())[_SERIAL]
         thermostat = MelissaClimate(api, _SERIAL, device)
         await thermostat.async_update()
-        assert thermostat.fan_mode == SPEED_LOW
+        assert thermostat.fan_mode == FAN_LOW
         assert thermostat.state == HVAC_MODE_HEAT
         api.async_status = AsyncMock(side_effect=KeyError("boom"))
         await thermostat.async_update()
@@ -322,9 +324,9 @@ async def test_melissa_fan_to_hass(hass):
         device = (await api.async_fetch_devices())[_SERIAL]
         thermostat = MelissaClimate(api, _SERIAL, device)
         assert thermostat.melissa_fan_to_hass(0) == "auto"
-        assert thermostat.melissa_fan_to_hass(1) == SPEED_LOW
-        assert thermostat.melissa_fan_to_hass(2) == SPEED_MEDIUM
-        assert thermostat.melissa_fan_to_hass(3) == SPEED_HIGH
+        assert thermostat.melissa_fan_to_hass(1) == FAN_LOW
+        assert thermostat.melissa_fan_to_hass(2) == FAN_MEDIUM
+        assert thermostat.melissa_fan_to_hass(3) == FAN_HIGH
         assert thermostat.melissa_fan_to_hass(4) is None
 
 
@@ -355,9 +357,9 @@ async def test_hass_fan_to_melissa(hass):
         device = (await api.async_fetch_devices())[_SERIAL]
         thermostat = MelissaClimate(api, _SERIAL, device)
         assert thermostat.hass_fan_to_melissa("auto") == 0
-        assert thermostat.hass_fan_to_melissa(SPEED_LOW) == 1
-        assert thermostat.hass_fan_to_melissa(SPEED_MEDIUM) == 2
-        assert thermostat.hass_fan_to_melissa(SPEED_HIGH) == 3
+        assert thermostat.hass_fan_to_melissa(FAN_LOW) == 1
+        assert thermostat.hass_fan_to_melissa(FAN_MEDIUM) == 2
+        assert thermostat.hass_fan_to_melissa(FAN_HIGH) == 3
         thermostat.hass_fan_to_melissa("test")
         mocked_warning.assert_called_once_with(
             "Melissa have no setting for %s fan mode", "test"
diff --git a/tests/components/mqtt/test_fan.py b/tests/components/mqtt/test_fan.py
index 5418727ec0e..64b5d272af8 100644
--- a/tests/components/mqtt/test_fan.py
+++ b/tests/components/mqtt/test_fan.py
@@ -194,7 +194,6 @@ async def test_controlling_state_via_topic(hass, mqtt_mock, caplog):
     async_fire_mqtt_message(hass, "percentage-state-topic", "rEset_percentage")
     state = hass.states.get("fan.test")
     assert state.attributes.get(fan.ATTR_PERCENTAGE) is None
-    assert state.attributes.get(fan.ATTR_SPEED) is None
 
     async_fire_mqtt_message(hass, "state-topic", "None")
     state = hass.states.get("fan.test")
@@ -599,9 +598,8 @@ async def test_sending_mqtt_commands_and_optimistic(hass, mqtt_mock, caplog):
     assert state.attributes.get(fan.ATTR_PERCENTAGE) == 0
     assert state.attributes.get(ATTR_ASSUMED_STATE)
 
-    await common.async_set_preset_mode(hass, "fan.test", "low")
-    assert "not a valid preset mode" in caplog.text
-    caplog.clear()
+    with pytest.raises(NotValidPresetModeError):
+        await common.async_set_preset_mode(hass, "fan.test", "low")
 
     await common.async_set_preset_mode(hass, "fan.test", "whoosh")
     mqtt_mock.async_publish.assert_called_once_with(
@@ -799,13 +797,11 @@ async def test_sending_mqtt_commands_and_optimistic_no_legacy(hass, mqtt_mock, c
     assert state.attributes.get(fan.ATTR_PERCENTAGE) == 0
     assert state.attributes.get(ATTR_ASSUMED_STATE)
 
-    await common.async_set_preset_mode(hass, "fan.test", "low")
-    assert "not a valid preset mode" in caplog.text
-    caplog.clear()
+    with pytest.raises(NotValidPresetModeError):
+        await common.async_set_preset_mode(hass, "fan.test", "low")
 
-    await common.async_set_preset_mode(hass, "fan.test", "auto")
-    assert "not a valid preset mode" in caplog.text
-    caplog.clear()
+    with pytest.raises(NotValidPresetModeError):
+        await common.async_set_preset_mode(hass, "fan.test", "auto")
 
     await common.async_set_preset_mode(hass, "fan.test", "whoosh")
     mqtt_mock.async_publish.assert_called_once_with(
@@ -938,13 +934,11 @@ async def test_sending_mqtt_command_templates_(hass, mqtt_mock, caplog):
     assert state.attributes.get(fan.ATTR_PERCENTAGE) == 0
     assert state.attributes.get(ATTR_ASSUMED_STATE)
 
-    await common.async_set_preset_mode(hass, "fan.test", "low")
-    assert "not a valid preset mode" in caplog.text
-    caplog.clear()
+    with pytest.raises(NotValidPresetModeError):
+        await common.async_set_preset_mode(hass, "fan.test", "low")
 
-    await common.async_set_preset_mode(hass, "fan.test", "medium")
-    assert "not a valid preset mode" in caplog.text
-    caplog.clear()
+    with pytest.raises(NotValidPresetModeError):
+        await common.async_set_preset_mode(hass, "fan.test", "medium")
 
     await common.async_set_preset_mode(hass, "fan.test", "whoosh")
     mqtt_mock.async_publish.assert_called_once_with(
@@ -1035,9 +1029,8 @@ async def test_sending_mqtt_commands_and_optimistic_no_percentage_topic(
     assert state.state == STATE_UNKNOWN
     assert state.attributes.get(ATTR_ASSUMED_STATE)
 
-    await common.async_set_preset_mode(hass, "fan.test", "medium")
-    assert "not a valid preset mode" in caplog.text
-    caplog.clear()
+    with pytest.raises(NotValidPresetModeError):
+        await common.async_set_preset_mode(hass, "fan.test", "medium")
 
     await common.async_set_preset_mode(hass, "fan.test", "whoosh")
     mqtt_mock.async_publish.assert_called_once_with(
@@ -1131,6 +1124,10 @@ async def test_sending_mqtt_commands_and_explicit_optimistic(hass, mqtt_mock, ca
 
     with pytest.raises(NotValidPresetModeError):
         await common.async_turn_on(hass, "fan.test", preset_mode="auto")
+    assert mqtt_mock.async_publish.call_count == 1
+    # We can turn on, but the invalid preset mode will raise
+    mqtt_mock.async_publish.assert_any_call("command-topic", "ON", 0, False)
+    mqtt_mock.async_publish.reset_mock()
 
     await common.async_turn_on(hass, "fan.test", preset_mode="whoosh")
     assert mqtt_mock.async_publish.call_count == 2
@@ -1259,13 +1256,11 @@ async def test_sending_mqtt_commands_and_explicit_optimistic(hass, mqtt_mock, ca
     with pytest.raises(MultipleInvalid):
         await common.async_set_percentage(hass, "fan.test", 101)
 
-    await common.async_set_preset_mode(hass, "fan.test", "low")
-    assert "not a valid preset mode" in caplog.text
-    caplog.clear()
+    with pytest.raises(NotValidPresetModeError):
+        await common.async_set_preset_mode(hass, "fan.test", "low")
 
-    await common.async_set_preset_mode(hass, "fan.test", "medium")
-    assert "not a valid preset mode" in caplog.text
-    caplog.clear()
+    with pytest.raises(NotValidPresetModeError):
+        await common.async_set_preset_mode(hass, "fan.test", "medium")
 
     await common.async_set_preset_mode(hass, "fan.test", "whoosh")
     mqtt_mock.async_publish.assert_called_once_with(
@@ -1285,9 +1280,8 @@ async def test_sending_mqtt_commands_and_explicit_optimistic(hass, mqtt_mock, ca
     assert state.state == STATE_OFF
     assert state.attributes.get(ATTR_ASSUMED_STATE)
 
-    await common.async_set_preset_mode(hass, "fan.test", "freaking-high")
-    assert "not a valid preset mode" in caplog.text
-    caplog.clear()
+    with pytest.raises(NotValidPresetModeError):
+        await common.async_set_preset_mode(hass, "fan.test", "freaking-high")
 
     mqtt_mock.async_publish.reset_mock()
     state = hass.states.get("fan.test")
diff --git a/tests/components/ozw/test_fan.py b/tests/components/ozw/test_fan.py
index 5556b663f6f..9bf0cbf7093 100644
--- a/tests/components/ozw/test_fan.py
+++ b/tests/components/ozw/test_fan.py
@@ -1,5 +1,4 @@
 """Test Z-Wave Fans."""
-import pytest
 
 from .common import setup_ozw
 
@@ -119,13 +118,3 @@ async def test_fan(hass, fan_data, fan_msg, sent_messages, caplog):
     state = hass.states.get("fan.in_wall_smart_fan_control_level")
     assert state is not None
     assert state.state == "off"
-
-    # Test invalid speed
-    new_speed = "invalid"
-    with pytest.raises(ValueError):
-        await hass.services.async_call(
-            "fan",
-            "set_speed",
-            {"entity_id": "fan.in_wall_smart_fan_control_level", "speed": new_speed},
-            blocking=True,
-        )
diff --git a/tests/components/smartthings/test_fan.py b/tests/components/smartthings/test_fan.py
index 16b0360f9eb..1ee48c5c47d 100644
--- a/tests/components/smartthings/test_fan.py
+++ b/tests/components/smartthings/test_fan.py
@@ -7,13 +7,8 @@ real HTTP calls are not initiated during testing.
 from pysmartthings import Attribute, Capability
 
 from homeassistant.components.fan import (
-    ATTR_SPEED,
-    ATTR_SPEED_LIST,
+    ATTR_PERCENTAGE,
     DOMAIN as FAN_DOMAIN,
-    SPEED_HIGH,
-    SPEED_LOW,
-    SPEED_MEDIUM,
-    SPEED_OFF,
     SUPPORT_SET_SPEED,
 )
 from homeassistant.components.smartthings.const import DOMAIN, SIGNAL_SMARTTHINGS_UPDATE
@@ -42,13 +37,7 @@ async def test_entity_state(hass, device_factory):
     state = hass.states.get("fan.fan_1")
     assert state.state == "on"
     assert state.attributes[ATTR_SUPPORTED_FEATURES] == SUPPORT_SET_SPEED
-    assert state.attributes[ATTR_SPEED] == SPEED_MEDIUM
-    assert state.attributes[ATTR_SPEED_LIST] == [
-        SPEED_OFF,
-        SPEED_LOW,
-        SPEED_MEDIUM,
-        SPEED_HIGH,
-    ]
+    assert state.attributes[ATTR_PERCENTAGE] == 66
 
 
 async def test_entity_and_device_attributes(hass, device_factory):
@@ -128,17 +117,17 @@ async def test_turn_on_with_speed(hass, device_factory):
     await hass.services.async_call(
         "fan",
         "turn_on",
-        {ATTR_ENTITY_ID: "fan.fan_1", ATTR_SPEED: SPEED_HIGH},
+        {ATTR_ENTITY_ID: "fan.fan_1", ATTR_PERCENTAGE: 100},
         blocking=True,
     )
     # Assert
     state = hass.states.get("fan.fan_1")
     assert state is not None
     assert state.state == "on"
-    assert state.attributes[ATTR_SPEED] == SPEED_HIGH
+    assert state.attributes[ATTR_PERCENTAGE] == 100
 
 
-async def test_set_speed(hass, device_factory):
+async def test_set_percentage(hass, device_factory):
     """Test setting to specific fan speed."""
     # Arrange
     device = device_factory(
@@ -150,15 +139,15 @@ async def test_set_speed(hass, device_factory):
     # Act
     await hass.services.async_call(
         "fan",
-        "set_speed",
-        {ATTR_ENTITY_ID: "fan.fan_1", ATTR_SPEED: SPEED_HIGH},
+        "set_percentage",
+        {ATTR_ENTITY_ID: "fan.fan_1", ATTR_PERCENTAGE: 100},
         blocking=True,
     )
     # Assert
     state = hass.states.get("fan.fan_1")
     assert state is not None
     assert state.state == "on"
-    assert state.attributes[ATTR_SPEED] == SPEED_HIGH
+    assert state.attributes[ATTR_PERCENTAGE] == 100
 
 
 async def test_update_from_signal(hass, device_factory):
diff --git a/tests/components/template/test_fan.py b/tests/components/template/test_fan.py
index 1f1947183de..ccd273571b5 100644
--- a/tests/components/template/test_fan.py
+++ b/tests/components/template/test_fan.py
@@ -8,17 +8,11 @@ from homeassistant.components.fan import (
     ATTR_OSCILLATING,
     ATTR_PERCENTAGE,
     ATTR_PRESET_MODE,
-    ATTR_SPEED,
     DIRECTION_FORWARD,
     DIRECTION_REVERSE,
     DOMAIN,
-    SPEED_HIGH,
-    SPEED_LOW,
-    SPEED_MEDIUM,
-    SPEED_OFF,
     SUPPORT_PRESET_MODE,
     SUPPORT_SET_SPEED,
-    NotValidSpeedError,
 )
 from homeassistant.const import STATE_OFF, STATE_ON, STATE_UNAVAILABLE
 
@@ -60,7 +54,7 @@ _DIRECTION_INPUT_SELECT = "input_select.direction"
 )
 async def test_missing_optional_config(hass, start_ha):
     """Test: missing optional template is ok."""
-    _verify(hass, STATE_ON, None, None, None, None, None)
+    _verify(hass, STATE_ON, None, None, None, None)
 
 
 @pytest.mark.parametrize("count,domain", [(0, DOMAIN)])
@@ -165,26 +159,26 @@ async def test_wrong_template_config(hass, start_ha):
 )
 async def test_templates_with_entities(hass, start_ha):
     """Test tempalates with values from other entities."""
-    _verify(hass, STATE_OFF, None, 0, None, None, None)
+    _verify(hass, STATE_OFF, 0, None, None, None)
 
     hass.states.async_set(_STATE_INPUT_BOOLEAN, True)
     hass.states.async_set(_PERCENTAGE_INPUT_NUMBER, 66)
     hass.states.async_set(_OSC_INPUT, "True")
 
-    for set_state, set_value, speed, value in [
-        (_DIRECTION_INPUT_SELECT, DIRECTION_FORWARD, SPEED_MEDIUM, 66),
-        (_PERCENTAGE_INPUT_NUMBER, 33, SPEED_LOW, 33),
-        (_PERCENTAGE_INPUT_NUMBER, 66, SPEED_MEDIUM, 66),
-        (_PERCENTAGE_INPUT_NUMBER, 100, SPEED_HIGH, 100),
-        (_PERCENTAGE_INPUT_NUMBER, "dog", None, 0),
+    for set_state, set_value, value in [
+        (_DIRECTION_INPUT_SELECT, DIRECTION_FORWARD, 66),
+        (_PERCENTAGE_INPUT_NUMBER, 33, 33),
+        (_PERCENTAGE_INPUT_NUMBER, 66, 66),
+        (_PERCENTAGE_INPUT_NUMBER, 100, 100),
+        (_PERCENTAGE_INPUT_NUMBER, "dog", 0),
     ]:
         hass.states.async_set(set_state, set_value)
         await hass.async_block_till_done()
-        _verify(hass, STATE_ON, speed, value, True, DIRECTION_FORWARD, None)
+        _verify(hass, STATE_ON, value, True, DIRECTION_FORWARD, None)
 
     hass.states.async_set(_STATE_INPUT_BOOLEAN, False)
     await hass.async_block_till_done()
-    _verify(hass, STATE_OFF, None, 0, True, DIRECTION_FORWARD, None)
+    _verify(hass, STATE_OFF, 0, True, DIRECTION_FORWARD, None)
 
 
 @pytest.mark.parametrize("count,domain", [(1, DOMAIN)])
@@ -207,12 +201,12 @@ async def test_templates_with_entities(hass, start_ha):
             },
             "sensor.percentage",
             [
-                ("0", 0, SPEED_OFF, None),
-                ("33", 33, SPEED_LOW, None),
-                ("invalid", 0, None, None),
-                ("5000", 0, None, None),
-                ("100", 100, SPEED_HIGH, None),
-                ("0", 0, SPEED_OFF, None),
+                ("0", 0, None),
+                ("33", 33, None),
+                ("invalid", 0, None),
+                ("5000", 0, None),
+                ("100", 100, None),
+                ("0", 0, None),
             ],
         ),
         (
@@ -232,21 +226,21 @@ async def test_templates_with_entities(hass, start_ha):
             },
             "sensor.preset_mode",
             [
-                ("0", None, None, None),
-                ("invalid", None, None, None),
-                ("auto", None, None, "auto"),
-                ("smart", None, None, "smart"),
-                ("invalid", None, None, None),
+                ("0", None, None),
+                ("invalid", None, None),
+                ("auto", None, "auto"),
+                ("smart", None, "smart"),
+                ("invalid", None, None),
             ],
         ),
     ],
 )
 async def test_templates_with_entities2(hass, entity, tests, start_ha):
     """Test templates with values from other entities."""
-    for set_percentage, test_percentage, speed, test_type in tests:
+    for set_percentage, test_percentage, test_type in tests:
         hass.states.async_set(entity, set_percentage)
         await hass.async_block_till_done()
-        _verify(hass, STATE_ON, speed, test_percentage, None, None, test_type)
+        _verify(hass, STATE_ON, test_percentage, None, None, test_type)
 
 
 @pytest.mark.parametrize("count,domain", [(1, DOMAIN)])
@@ -295,7 +289,7 @@ async def test_availability_template_with_entities(hass, start_ha):
                     },
                 }
             },
-            [STATE_OFF, None, None, None, None],
+            [STATE_OFF, None, None, None],
         ),
         (
             {
@@ -313,7 +307,7 @@ async def test_availability_template_with_entities(hass, start_ha):
                     },
                 }
             },
-            [STATE_ON, None, 0, None, None],
+            [STATE_ON, 0, None, None],
         ),
         (
             {
@@ -331,7 +325,7 @@ async def test_availability_template_with_entities(hass, start_ha):
                     },
                 }
             },
-            [STATE_ON, SPEED_MEDIUM, 66, True, DIRECTION_FORWARD],
+            [STATE_ON, 66, True, DIRECTION_FORWARD],
         ),
         (
             {
@@ -349,13 +343,13 @@ async def test_availability_template_with_entities(hass, start_ha):
                     },
                 }
             },
-            [STATE_OFF, None, 0, None, None],
+            [STATE_OFF, 0, None, None],
         ),
     ],
 )
 async def test_template_with_unavailable_entities(hass, states, start_ha):
     """Test unavailability with value_template."""
-    _verify(hass, states[0], states[1], states[2], states[3], states[4], None)
+    _verify(hass, states[0], states[1], states[2], states[3], None)
 
 
 @pytest.mark.parametrize("count,domain", [(1, DOMAIN)])
@@ -399,42 +393,7 @@ async def test_on_off(hass):
     ]:
         await func(hass, _TEST_FAN)
         assert hass.states.get(_STATE_INPUT_BOOLEAN).state == state
-        _verify(hass, state, None, 0, None, None, None)
-
-
-async def test_set_speed(hass):
-    """Test set valid speed."""
-    await _register_components(hass, preset_modes=["auto", "smart"])
-
-    await common.async_turn_on(hass, _TEST_FAN)
-    for cmd, type, state, value in [
-        (SPEED_HIGH, SPEED_HIGH, STATE_ON, 100),
-        (SPEED_MEDIUM, SPEED_MEDIUM, STATE_ON, 66),
-        (SPEED_OFF, SPEED_OFF, STATE_OFF, 0),
-        (SPEED_MEDIUM, SPEED_MEDIUM, STATE_ON, 66),
-    ]:
-        await common.async_set_speed(hass, _TEST_FAN, cmd)
-        assert float(hass.states.get(_PERCENTAGE_INPUT_NUMBER).state) == value
-        _verify(hass, state, type, value, None, None, None)
-
-    with pytest.raises(NotValidSpeedError):
-        await common.async_set_speed(hass, _TEST_FAN, "invalid")
-
-    assert float(hass.states.get(_PERCENTAGE_INPUT_NUMBER).state) == 66
-    _verify(hass, STATE_ON, SPEED_MEDIUM, 66, None, None, None)
-
-
-async def test_set_invalid_speed(hass):
-    """Test set invalid speed when fan has valid speed."""
-    await _register_components(hass)
-
-    await common.async_turn_on(hass, _TEST_FAN)
-    await common.async_set_speed(hass, _TEST_FAN, SPEED_HIGH)
-    assert float(hass.states.get(_PERCENTAGE_INPUT_NUMBER).state) == 100
-    _verify(hass, STATE_ON, SPEED_HIGH, 100, None, None, None)
-
-    with pytest.raises(NotValidSpeedError):
-        await common.async_set_speed(hass, _TEST_FAN, "invalid")
+        _verify(hass, state, 0, None, None, None)
 
 
 async def test_set_invalid_direction_from_initial_stage(hass, calls):
@@ -445,7 +404,7 @@ async def test_set_invalid_direction_from_initial_stage(hass, calls):
 
     await common.async_set_direction(hass, _TEST_FAN, "invalid")
     assert hass.states.get(_DIRECTION_INPUT_SELECT).state == ""
-    _verify(hass, STATE_ON, None, 0, None, None, None)
+    _verify(hass, STATE_ON, 0, None, None, None)
 
 
 async def test_set_osc(hass):
@@ -456,7 +415,7 @@ async def test_set_osc(hass):
     for state in [True, False]:
         await common.async_oscillate(hass, _TEST_FAN, state)
         assert hass.states.get(_OSC_INPUT).state == str(state)
-        _verify(hass, STATE_ON, None, 0, state, None, None)
+        _verify(hass, STATE_ON, 0, state, None, None)
 
 
 async def test_set_direction(hass):
@@ -467,7 +426,7 @@ async def test_set_direction(hass):
     for cmd in [DIRECTION_FORWARD, DIRECTION_REVERSE]:
         await common.async_set_direction(hass, _TEST_FAN, cmd)
         assert hass.states.get(_DIRECTION_INPUT_SELECT).state == cmd
-        _verify(hass, STATE_ON, None, 0, None, cmd, None)
+        _verify(hass, STATE_ON, 0, None, cmd, None)
 
 
 async def test_set_invalid_direction(hass):
@@ -478,17 +437,7 @@ async def test_set_invalid_direction(hass):
     for cmd in [DIRECTION_FORWARD, "invalid"]:
         await common.async_set_direction(hass, _TEST_FAN, cmd)
         assert hass.states.get(_DIRECTION_INPUT_SELECT).state == DIRECTION_FORWARD
-        _verify(hass, STATE_ON, None, 0, None, DIRECTION_FORWARD, None)
-
-
-async def test_on_with_speed(hass):
-    """Test turn on with speed."""
-    await _register_components(hass)
-
-    await common.async_turn_on(hass, _TEST_FAN, SPEED_HIGH)
-    assert hass.states.get(_STATE_INPUT_BOOLEAN).state == STATE_ON
-    assert int(float(hass.states.get(_PERCENTAGE_INPUT_NUMBER).state)) == 100
-    _verify(hass, STATE_ON, SPEED_HIGH, 100, None, None, None)
+        _verify(hass, STATE_ON, 0, None, DIRECTION_FORWARD, None)
 
 
 async def test_preset_modes(hass):
@@ -515,18 +464,18 @@ async def test_set_percentage(hass):
     await _register_components(hass)
 
     await common.async_turn_on(hass, _TEST_FAN)
-    for type, state, value in [
-        (SPEED_HIGH, STATE_ON, 100),
-        (SPEED_MEDIUM, STATE_ON, 66),
-        (SPEED_OFF, STATE_OFF, 0),
+    for state, value in [
+        (STATE_ON, 100),
+        (STATE_ON, 66),
+        (STATE_OFF, 0),
     ]:
         await common.async_set_percentage(hass, _TEST_FAN, value)
         assert int(float(hass.states.get(_PERCENTAGE_INPUT_NUMBER).state)) == value
-        _verify(hass, state, type, value, None, None, None)
+        _verify(hass, state, value, None, None, None)
 
     await common.async_turn_on(hass, _TEST_FAN, percentage=50)
     assert int(float(hass.states.get(_PERCENTAGE_INPUT_NUMBER).state)) == 50
-    _verify(hass, STATE_ON, SPEED_MEDIUM, 50, None, None, None)
+    _verify(hass, STATE_ON, 50, None, None, None)
 
 
 async def test_increase_decrease_speed(hass):
@@ -534,16 +483,16 @@ async def test_increase_decrease_speed(hass):
     await _register_components(hass, speed_count=3)
 
     await common.async_turn_on(hass, _TEST_FAN)
-    for func, extra, state, type, value in [
-        (common.async_set_percentage, 100, STATE_ON, SPEED_HIGH, 100),
-        (common.async_decrease_speed, None, STATE_ON, SPEED_MEDIUM, 66),
-        (common.async_decrease_speed, None, STATE_ON, SPEED_LOW, 33),
-        (common.async_decrease_speed, None, STATE_OFF, SPEED_OFF, 0),
-        (common.async_increase_speed, None, STATE_ON, SPEED_LOW, 33),
+    for func, extra, state, value in [
+        (common.async_set_percentage, 100, STATE_ON, 100),
+        (common.async_decrease_speed, None, STATE_ON, 66),
+        (common.async_decrease_speed, None, STATE_ON, 33),
+        (common.async_decrease_speed, None, STATE_OFF, 0),
+        (common.async_increase_speed, None, STATE_ON, 33),
     ]:
         await func(hass, _TEST_FAN, extra)
         assert int(float(hass.states.get(_PERCENTAGE_INPUT_NUMBER).state)) == value
-        _verify(hass, state, type, value, None, None, None)
+        _verify(hass, state, value, None, None, None)
 
 
 async def test_increase_decrease_speed_default_speed_count(hass):
@@ -551,16 +500,16 @@ async def test_increase_decrease_speed_default_speed_count(hass):
     await _register_components(hass)
 
     await common.async_turn_on(hass, _TEST_FAN)
-    for func, extra, state, type, value in [
-        (common.async_set_percentage, 100, STATE_ON, SPEED_HIGH, 100),
-        (common.async_decrease_speed, None, STATE_ON, SPEED_HIGH, 99),
-        (common.async_decrease_speed, None, STATE_ON, SPEED_HIGH, 98),
-        (common.async_decrease_speed, 31, STATE_ON, SPEED_HIGH, 67),
-        (common.async_decrease_speed, None, STATE_ON, SPEED_MEDIUM, 66),
+    for func, extra, state, value in [
+        (common.async_set_percentage, 100, STATE_ON, 100),
+        (common.async_decrease_speed, None, STATE_ON, 99),
+        (common.async_decrease_speed, None, STATE_ON, 98),
+        (common.async_decrease_speed, 31, STATE_ON, 67),
+        (common.async_decrease_speed, None, STATE_ON, 66),
     ]:
         await func(hass, _TEST_FAN, extra)
         assert int(float(hass.states.get(_PERCENTAGE_INPUT_NUMBER).state)) == value
-        _verify(hass, state, type, value, None, None, None)
+        _verify(hass, state, value, None, None, None)
 
 
 async def test_set_invalid_osc_from_initial_state(hass):
@@ -571,7 +520,7 @@ async def test_set_invalid_osc_from_initial_state(hass):
     with pytest.raises(vol.Invalid):
         await common.async_oscillate(hass, _TEST_FAN, "invalid")
     assert hass.states.get(_OSC_INPUT).state == ""
-    _verify(hass, STATE_ON, None, 0, None, None, None)
+    _verify(hass, STATE_ON, 0, None, None, None)
 
 
 async def test_set_invalid_osc(hass):
@@ -581,18 +530,17 @@ async def test_set_invalid_osc(hass):
     await common.async_turn_on(hass, _TEST_FAN)
     await common.async_oscillate(hass, _TEST_FAN, True)
     assert hass.states.get(_OSC_INPUT).state == "True"
-    _verify(hass, STATE_ON, None, 0, True, None, None)
+    _verify(hass, STATE_ON, 0, True, None, None)
 
     with pytest.raises(vol.Invalid):
         await common.async_oscillate(hass, _TEST_FAN, None)
     assert hass.states.get(_OSC_INPUT).state == "True"
-    _verify(hass, STATE_ON, None, 0, True, None, None)
+    _verify(hass, STATE_ON, 0, True, None, None)
 
 
 def _verify(
     hass,
     expected_state,
-    expected_speed,
     expected_percentage,
     expected_oscillating,
     expected_direction,
@@ -602,7 +550,6 @@ def _verify(
     state = hass.states.get(_TEST_FAN)
     attributes = state.attributes
     assert state.state == str(expected_state)
-    assert attributes.get(ATTR_SPEED) == expected_speed or SPEED_OFF
     assert attributes.get(ATTR_PERCENTAGE) == expected_percentage
     assert attributes.get(ATTR_OSCILLATING) == expected_oscillating
     assert attributes.get(ATTR_DIRECTION) == expected_direction
diff --git a/tests/components/zha/test_fan.py b/tests/components/zha/test_fan.py
index a8f5f645059..e367857b260 100644
--- a/tests/components/zha/test_fan.py
+++ b/tests/components/zha/test_fan.py
@@ -8,19 +8,13 @@ import zigpy.zcl.clusters.general as general
 import zigpy.zcl.clusters.hvac as hvac
 import zigpy.zcl.foundation as zcl_f
 
-from homeassistant.components import fan
 from homeassistant.components.fan import (
     ATTR_PERCENTAGE,
     ATTR_PERCENTAGE_STEP,
     ATTR_PRESET_MODE,
-    ATTR_SPEED,
     DOMAIN as FAN_DOMAIN,
+    SERVICE_SET_PERCENTAGE,
     SERVICE_SET_PRESET_MODE,
-    SERVICE_SET_SPEED,
-    SPEED_HIGH,
-    SPEED_LOW,
-    SPEED_MEDIUM,
-    SPEED_OFF,
     NotValidPresetModeError,
 )
 from homeassistant.components.zha.core.discovery import GROUP_PROBE
@@ -187,7 +181,7 @@ async def test_fan(hass, zha_device_joined_restored, zigpy_device):
 
     # change speed from HA
     cluster.write_attributes.reset_mock()
-    await async_set_speed(hass, entity_id, speed=fan.SPEED_HIGH)
+    await async_set_percentage(hass, entity_id, percentage=100)
     assert len(cluster.write_attributes.mock_calls) == 1
     assert cluster.write_attributes.call_args == call({"fan_mode": 3})
 
@@ -209,11 +203,11 @@ async def test_fan(hass, zha_device_joined_restored, zigpy_device):
     await async_test_rejoin(hass, zigpy_device, [cluster], (1,))
 
 
-async def async_turn_on(hass, entity_id, speed=None):
+async def async_turn_on(hass, entity_id, percentage=None):
     """Turn fan on."""
     data = {
         key: value
-        for key, value in [(ATTR_ENTITY_ID, entity_id), (ATTR_SPEED, speed)]
+        for key, value in [(ATTR_ENTITY_ID, entity_id), (ATTR_PERCENTAGE, percentage)]
         if value is not None
     }
 
@@ -227,15 +221,17 @@ async def async_turn_off(hass, entity_id):
     await hass.services.async_call(Platform.FAN, SERVICE_TURN_OFF, data, blocking=True)
 
 
-async def async_set_speed(hass, entity_id, speed=None):
-    """Set speed for specified fan."""
+async def async_set_percentage(hass, entity_id, percentage=None):
+    """Set percentage for specified fan."""
     data = {
         key: value
-        for key, value in [(ATTR_ENTITY_ID, entity_id), (ATTR_SPEED, speed)]
+        for key, value in [(ATTR_ENTITY_ID, entity_id), (ATTR_PERCENTAGE, percentage)]
         if value is not None
     }
 
-    await hass.services.async_call(Platform.FAN, SERVICE_SET_SPEED, data, blocking=True)
+    await hass.services.async_call(
+        Platform.FAN, SERVICE_SET_PERCENTAGE, data, blocking=True
+    )
 
 
 async def async_set_preset_mode(hass, entity_id, preset_mode=None):
@@ -321,7 +317,7 @@ async def test_zha_group_fan_entity(hass, device_fan_1, device_fan_2, coordinato
 
     # change speed from HA
     group_fan_cluster.write_attributes.reset_mock()
-    await async_set_speed(hass, entity_id, speed=fan.SPEED_HIGH)
+    await async_set_percentage(hass, entity_id, percentage=100)
     assert len(group_fan_cluster.write_attributes.mock_calls) == 1
     assert group_fan_cluster.write_attributes.call_args[0][0] == {"fan_mode": 3}
 
@@ -428,13 +424,13 @@ async def test_zha_group_fan_entity_failure_state(
 
 
 @pytest.mark.parametrize(
-    "plug_read, expected_state, expected_speed, expected_percentage",
+    "plug_read, expected_state, expected_percentage",
     (
-        (None, STATE_OFF, None, None),
-        ({"fan_mode": 0}, STATE_OFF, SPEED_OFF, 0),
-        ({"fan_mode": 1}, STATE_ON, SPEED_LOW, 33),
-        ({"fan_mode": 2}, STATE_ON, SPEED_MEDIUM, 66),
-        ({"fan_mode": 3}, STATE_ON, SPEED_HIGH, 100),
+        (None, STATE_OFF, None),
+        ({"fan_mode": 0}, STATE_OFF, 0),
+        ({"fan_mode": 1}, STATE_ON, 33),
+        ({"fan_mode": 2}, STATE_ON, 66),
+        ({"fan_mode": 3}, STATE_ON, 100),
     ),
 )
 async def test_fan_init(
@@ -443,7 +439,6 @@ async def test_fan_init(
     zigpy_device,
     plug_read,
     expected_state,
-    expected_speed,
     expected_percentage,
 ):
     """Test zha fan platform."""
@@ -455,7 +450,6 @@ async def test_fan_init(
     entity_id = await find_entity_id(Platform.FAN, zha_device, hass)
     assert entity_id is not None
     assert hass.states.get(entity_id).state == expected_state
-    assert hass.states.get(entity_id).attributes[ATTR_SPEED] == expected_speed
     assert hass.states.get(entity_id).attributes[ATTR_PERCENTAGE] == expected_percentage
     assert hass.states.get(entity_id).attributes[ATTR_PRESET_MODE] is None
 
@@ -474,7 +468,6 @@ async def test_fan_update_entity(
     entity_id = await find_entity_id(Platform.FAN, zha_device, hass)
     assert entity_id is not None
     assert hass.states.get(entity_id).state == STATE_OFF
-    assert hass.states.get(entity_id).attributes[ATTR_SPEED] == SPEED_OFF
     assert hass.states.get(entity_id).attributes[ATTR_PERCENTAGE] == 0
     assert hass.states.get(entity_id).attributes[ATTR_PRESET_MODE] is None
     assert hass.states.get(entity_id).attributes[ATTR_PERCENTAGE_STEP] == 100 / 3
@@ -487,7 +480,6 @@ async def test_fan_update_entity(
         "homeassistant", "update_entity", {"entity_id": entity_id}, blocking=True
     )
     assert hass.states.get(entity_id).state == STATE_OFF
-    assert hass.states.get(entity_id).attributes[ATTR_SPEED] == SPEED_OFF
     assert cluster.read_attributes.await_count == 3
 
     cluster.PLUGGED_ATTR_READS = {"fan_mode": 1}
@@ -496,7 +488,6 @@ async def test_fan_update_entity(
     )
     assert hass.states.get(entity_id).state == STATE_ON
     assert hass.states.get(entity_id).attributes[ATTR_PERCENTAGE] == 33
-    assert hass.states.get(entity_id).attributes[ATTR_SPEED] == SPEED_LOW
     assert hass.states.get(entity_id).attributes[ATTR_PRESET_MODE] is None
     assert hass.states.get(entity_id).attributes[ATTR_PERCENTAGE_STEP] == 100 / 3
     assert cluster.read_attributes.await_count == 4
diff --git a/tests/components/zwave/test_fan.py b/tests/components/zwave/test_fan.py
index d71ba0713d2..0104353f851 100644
--- a/tests/components/zwave/test_fan.py
+++ b/tests/components/zwave/test_fan.py
@@ -1,16 +1,10 @@
 """Test Z-Wave fans."""
 import pytest
 
-from homeassistant.components.fan import (
-    SPEED_HIGH,
-    SPEED_LOW,
-    SPEED_MEDIUM,
-    SPEED_OFF,
-    SUPPORT_SET_SPEED,
-)
+from homeassistant.components.fan import SUPPORT_SET_SPEED
 from homeassistant.components.zwave import fan
 
-from tests.mock.zwave import MockEntityValues, MockNode, MockValue, value_changed
+from tests.mock.zwave import MockEntityValues, MockNode, MockValue
 
 # Integration is disabled
 pytest.skip("Integration has been disabled in the manifest", allow_module_level=True)
@@ -25,7 +19,6 @@ def test_get_device_detects_fan(mock_openzwave):
     device = fan.get_device(node=node, values=values, node_config={})
     assert isinstance(device, fan.ZwaveFan)
     assert device.supported_features == SUPPORT_SET_SPEED
-    assert device.speed_list == [SPEED_OFF, SPEED_LOW, SPEED_MEDIUM, SPEED_HIGH]
 
 
 def test_fan_turn_on(mock_openzwave):
@@ -96,31 +89,3 @@ def test_fan_turn_off(mock_openzwave):
     value_id, brightness = node.set_dimmer.mock_calls[0][1]
     assert value_id == value.value_id
     assert brightness == 0
-
-
-def test_fan_value_changed(mock_openzwave):
-    """Test value changed for zwave fan."""
-    node = MockNode()
-    value = MockValue(data=0, node=node)
-    values = MockEntityValues(primary=value)
-    device = fan.get_device(node=node, values=values, node_config={})
-
-    assert not device.is_on
-
-    value.data = 10
-    value_changed(value)
-
-    assert device.is_on
-    assert device.speed == SPEED_LOW
-
-    value.data = 50
-    value_changed(value)
-
-    assert device.is_on
-    assert device.speed == SPEED_MEDIUM
-
-    value.data = 90
-    value_changed(value)
-
-    assert device.is_on
-    assert device.speed == SPEED_HIGH
diff --git a/tests/components/zwave_js/test_fan.py b/tests/components/zwave_js/test_fan.py
index 74ad642127f..80c057223ac 100644
--- a/tests/components/zwave_js/test_fan.py
+++ b/tests/components/zwave_js/test_fan.py
@@ -2,14 +2,10 @@
 import math
 
 import pytest
+from voluptuous.error import MultipleInvalid
 from zwave_js_server.event import Event
 
-from homeassistant.components.fan import (
-    ATTR_PERCENTAGE,
-    ATTR_PERCENTAGE_STEP,
-    ATTR_SPEED,
-    SPEED_MEDIUM,
-)
+from homeassistant.components.fan import ATTR_PERCENTAGE, ATTR_PERCENTAGE_STEP
 
 
 async def test_generic_fan(hass, client, fan_generic, integration):
@@ -25,7 +21,7 @@ async def test_generic_fan(hass, client, fan_generic, integration):
     await hass.services.async_call(
         "fan",
         "turn_on",
-        {"entity_id": entity_id, "speed": SPEED_MEDIUM},
+        {"entity_id": entity_id, "percentage": 66},
         blocking=True,
     )
 
@@ -54,11 +50,11 @@ async def test_generic_fan(hass, client, fan_generic, integration):
     client.async_send_command.reset_mock()
 
     # Test setting unknown speed
-    with pytest.raises(ValueError):
+    with pytest.raises(MultipleInvalid):
         await hass.services.async_call(
             "fan",
-            "set_speed",
-            {"entity_id": entity_id, "speed": 99},
+            "set_percentage",
+            {"entity_id": entity_id, "percentage": "bad"},
             blocking=True,
         )
 
@@ -150,7 +146,7 @@ async def test_generic_fan(hass, client, fan_generic, integration):
 
     state = hass.states.get(entity_id)
     assert state.state == "on"
-    assert state.attributes[ATTR_SPEED] == "high"
+    assert state.attributes[ATTR_PERCENTAGE] == 100
 
     client.async_send_command.reset_mock()
 
@@ -175,7 +171,7 @@ async def test_generic_fan(hass, client, fan_generic, integration):
 
     state = hass.states.get(entity_id)
     assert state.state == "off"
-    assert state.attributes[ATTR_SPEED] == "off"
+    assert state.attributes[ATTR_PERCENTAGE] == 0
 
 
 async def test_configurable_speeds_fan(hass, client, hs_fc200, integration):