diff --git a/homeassistant/components/overkiz/alarm_control_panel.py b/homeassistant/components/overkiz/alarm_control_panel.py
index ccb7c5d919e..1f088874d43 100644
--- a/homeassistant/components/overkiz/alarm_control_panel.py
+++ b/homeassistant/components/overkiz/alarm_control_panel.py
@@ -36,20 +36,13 @@ from .coordinator import OverkizDataUpdateCoordinator
 from .entity import OverkizDescriptiveEntity
 
 
-@dataclass(frozen=True)
-class OverkizAlarmDescriptionMixin:
-    """Define an entity description mixin for switch entities."""
+@dataclass(frozen=True, kw_only=True)
+class OverkizAlarmDescription(AlarmControlPanelEntityDescription):
+    """Class to describe an Overkiz alarm control panel."""
 
     supported_features: AlarmControlPanelEntityFeature
     fn_state: Callable[[Callable[[str], OverkizStateType]], str]
 
-
-@dataclass(frozen=True)
-class OverkizAlarmDescription(
-    AlarmControlPanelEntityDescription, OverkizAlarmDescriptionMixin
-):
-    """Class to describe an Overkiz alarm control panel."""
-
     alarm_disarm: str | None = None
     alarm_disarm_args: OverkizStateType | list[OverkizStateType] = None
     alarm_arm_home: str | None = None
diff --git a/homeassistant/components/overkiz/binary_sensor.py b/homeassistant/components/overkiz/binary_sensor.py
index 62bf88c5f9c..b4365a66e06 100644
--- a/homeassistant/components/overkiz/binary_sensor.py
+++ b/homeassistant/components/overkiz/binary_sensor.py
@@ -23,20 +23,13 @@ from .const import DOMAIN, IGNORED_OVERKIZ_DEVICES
 from .entity import OverkizDescriptiveEntity
 
 
-@dataclass(frozen=True)
-class OverkizBinarySensorDescriptionMixin:
-    """Define an entity description mixin for binary sensor entities."""
+@dataclass(frozen=True, kw_only=True)
+class OverkizBinarySensorDescription(BinarySensorEntityDescription):
+    """Class to describe an Overkiz binary sensor."""
 
     value_fn: Callable[[OverkizStateType], bool]
 
 
-@dataclass(frozen=True)
-class OverkizBinarySensorDescription(
-    BinarySensorEntityDescription, OverkizBinarySensorDescriptionMixin
-):
-    """Class to describe an Overkiz binary sensor."""
-
-
 BINARY_SENSOR_DESCRIPTIONS: list[OverkizBinarySensorDescription] = [
     # RainSensor/RainSensor
     OverkizBinarySensorDescription(
diff --git a/homeassistant/components/overkiz/number.py b/homeassistant/components/overkiz/number.py
index 1842a6cfcd2..e9664527335 100644
--- a/homeassistant/components/overkiz/number.py
+++ b/homeassistant/components/overkiz/number.py
@@ -28,17 +28,12 @@ BOOST_MODE_DURATION_DELAY = 1
 OPERATING_MODE_DELAY = 3
 
 
-@dataclass(frozen=True)
-class OverkizNumberDescriptionMixin:
-    """Define an entity description mixin for number entities."""
+@dataclass(frozen=True, kw_only=True)
+class OverkizNumberDescription(NumberEntityDescription):
+    """Class to describe an Overkiz number."""
 
     command: str
 
-
-@dataclass(frozen=True)
-class OverkizNumberDescription(NumberEntityDescription, OverkizNumberDescriptionMixin):
-    """Class to describe an Overkiz number."""
-
     min_value_state_name: str | None = None
     max_value_state_name: str | None = None
     inverted: bool = False
diff --git a/homeassistant/components/overkiz/select.py b/homeassistant/components/overkiz/select.py
index 78bcb3b3e0a..155c72a7f7a 100644
--- a/homeassistant/components/overkiz/select.py
+++ b/homeassistant/components/overkiz/select.py
@@ -18,18 +18,13 @@ from .const import DOMAIN, IGNORED_OVERKIZ_DEVICES
 from .entity import OverkizDescriptiveEntity
 
 
-@dataclass(frozen=True)
-class OverkizSelectDescriptionMixin:
-    """Define an entity description mixin for select entities."""
+@dataclass(frozen=True, kw_only=True)
+class OverkizSelectDescription(SelectEntityDescription):
+    """Class to describe an Overkiz select entity."""
 
     select_option: Callable[[str, Callable[..., Awaitable[None]]], Awaitable[None]]
 
 
-@dataclass(frozen=True)
-class OverkizSelectDescription(SelectEntityDescription, OverkizSelectDescriptionMixin):
-    """Class to describe an Overkiz select entity."""
-
-
 def _select_option_open_closed_pedestrian(
     option: str, execute_command: Callable[..., Awaitable[None]]
 ) -> Awaitable[None]:
diff --git a/homeassistant/components/overkiz/switch.py b/homeassistant/components/overkiz/switch.py
index 185c20824eb..5d1fe0493ac 100644
--- a/homeassistant/components/overkiz/switch.py
+++ b/homeassistant/components/overkiz/switch.py
@@ -25,18 +25,12 @@ from .const import DOMAIN
 from .entity import OverkizDescriptiveEntity
 
 
-@dataclass(frozen=True)
-class OverkizSwitchDescriptionMixin:
-    """Define an entity description mixin for switch entities."""
+@dataclass(frozen=True, kw_only=True)
+class OverkizSwitchDescription(SwitchEntityDescription):
+    """Class to describe an Overkiz switch."""
 
     turn_on: str
     turn_off: str
-
-
-@dataclass(frozen=True)
-class OverkizSwitchDescription(SwitchEntityDescription, OverkizSwitchDescriptionMixin):
-    """Class to describe an Overkiz switch."""
-
     is_on: Callable[[Callable[[str], OverkizStateType]], bool] | None = None
     turn_on_args: OverkizStateType | list[OverkizStateType] | None = None
     turn_off_args: OverkizStateType | list[OverkizStateType] | None = None