diff --git a/homeassistant/components/adguard/config_flow.py b/homeassistant/components/adguard/config_flow.py
index 9afdc4e02b8..c7cb261d7c8 100644
--- a/homeassistant/components/adguard/config_flow.py
+++ b/homeassistant/components/adguard/config_flow.py
@@ -56,7 +56,6 @@ class AdGuardHomeFlowHandler(ConfigFlow, domain=DOMAIN):
         return self.async_show_form(
             step_id="hassio_confirm",
             description_placeholders={"addon": self._hassio_discovery["addon"]},
-            data_schema=vol.Schema({}),
             errors=errors or {},
         )
 
diff --git a/homeassistant/components/almond/config_flow.py b/homeassistant/components/almond/config_flow.py
index bc945025c24..dfbdae219ca 100644
--- a/homeassistant/components/almond/config_flow.py
+++ b/homeassistant/components/almond/config_flow.py
@@ -8,7 +8,6 @@ from typing import Any
 from aiohttp import ClientError
 import async_timeout
 from pyalmond import AlmondLocalAuth, WebAlmondAPI
-import voluptuous as vol
 from yarl import URL
 
 from homeassistant import core, data_entry_flow
@@ -122,5 +121,4 @@ class AlmondFlowHandler(
         return self.async_show_form(
             step_id="hassio_confirm",
             description_placeholders={"addon": data["addon"]},
-            data_schema=vol.Schema({}),
         )
diff --git a/homeassistant/components/lyric/config_flow.py b/homeassistant/components/lyric/config_flow.py
index 38341113206..698e7e19a26 100644
--- a/homeassistant/components/lyric/config_flow.py
+++ b/homeassistant/components/lyric/config_flow.py
@@ -1,8 +1,6 @@
 """Config flow for Honeywell Lyric."""
 import logging
 
-import voluptuous as vol
-
 from homeassistant.helpers import config_entry_oauth2_flow
 
 from .const import DOMAIN
@@ -27,10 +25,7 @@ class OAuth2FlowHandler(
     async def async_step_reauth_confirm(self, user_input=None):
         """Dialog that informs the user that reauth is required."""
         if user_input is None:
-            return self.async_show_form(
-                step_id="reauth_confirm",
-                data_schema=vol.Schema({}),
-            )
+            return self.async_show_form(step_id="reauth_confirm")
         return await self.async_step_user()
 
     async def async_oauth_create_entry(self, data: dict) -> dict:
diff --git a/homeassistant/components/moon/config_flow.py b/homeassistant/components/moon/config_flow.py
index 1f7c5715f9e..abdd60c7b65 100644
--- a/homeassistant/components/moon/config_flow.py
+++ b/homeassistant/components/moon/config_flow.py
@@ -3,8 +3,6 @@ from __future__ import annotations
 
 from typing import Any
 
-import voluptuous as vol
-
 from homeassistant.config_entries import ConfigFlow
 from homeassistant.const import CONF_NAME
 from homeassistant.data_entry_flow import FlowResult
@@ -30,7 +28,7 @@ class MoonConfigFlow(ConfigFlow, domain=DOMAIN):
                 data={},
             )
 
-        return self.async_show_form(step_id="user", data_schema=vol.Schema({}))
+        return self.async_show_form(step_id="user")
 
     async def async_step_import(self, user_input: dict[str, Any]) -> FlowResult:
         """Handle import from configuration.yaml."""
diff --git a/homeassistant/components/neato/config_flow.py b/homeassistant/components/neato/config_flow.py
index 07aea0a7e9c..15544371b2e 100644
--- a/homeassistant/components/neato/config_flow.py
+++ b/homeassistant/components/neato/config_flow.py
@@ -5,8 +5,6 @@ import logging
 from types import MappingProxyType
 from typing import Any
 
-import voluptuous as vol
-
 from homeassistant.config_entries import SOURCE_REAUTH
 from homeassistant.data_entry_flow import FlowResult
 from homeassistant.helpers import config_entry_oauth2_flow
@@ -46,9 +44,7 @@ class OAuth2FlowHandler(
     ) -> FlowResult:
         """Confirm reauth upon migration of old entries."""
         if user_input is None:
-            return self.async_show_form(
-                step_id="reauth_confirm", data_schema=vol.Schema({})
-            )
+            return self.async_show_form(step_id="reauth_confirm")
         return await self.async_step_user()
 
     async def async_oauth_create_entry(self, data: dict[str, Any]) -> FlowResult:
diff --git a/homeassistant/components/nest/config_flow.py b/homeassistant/components/nest/config_flow.py
index b257c7b51bb..aeebd48abb4 100644
--- a/homeassistant/components/nest/config_flow.py
+++ b/homeassistant/components/nest/config_flow.py
@@ -232,10 +232,7 @@ class NestFlowHandler(
         """Confirm reauth dialog."""
         assert self.config_mode != ConfigMode.LEGACY, "Step only supported for SDM API"
         if user_input is None:
-            return self.async_show_form(
-                step_id="reauth_confirm",
-                data_schema=vol.Schema({}),
-            )
+            return self.async_show_form(step_id="reauth_confirm")
         existing_entries = self._async_current_entries()
         if existing_entries:
             # Pick an existing auth implementation for Reauth if present. Note
diff --git a/homeassistant/components/netatmo/config_flow.py b/homeassistant/components/netatmo/config_flow.py
index ad8f75f5d45..bbd28e8398f 100644
--- a/homeassistant/components/netatmo/config_flow.py
+++ b/homeassistant/components/netatmo/config_flow.py
@@ -75,10 +75,7 @@ class NetatmoFlowHandler(
     ) -> FlowResult:
         """Dialog that informs the user that reauth is required."""
         if user_input is None:
-            return self.async_show_form(
-                step_id="reauth_confirm",
-                data_schema=vol.Schema({}),
-            )
+            return self.async_show_form(step_id="reauth_confirm")
 
         return await self.async_step_user()
 
diff --git a/homeassistant/components/powerwall/config_flow.py b/homeassistant/components/powerwall/config_flow.py
index 08e9f90df1b..836aa46e2a4 100644
--- a/homeassistant/components/powerwall/config_flow.py
+++ b/homeassistant/components/powerwall/config_flow.py
@@ -145,7 +145,6 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
         }
         return self.async_show_form(
             step_id="confirm_discovery",
-            data_schema=vol.Schema({}),
             description_placeholders={
                 "name": self.title,
                 "ip_address": self.ip_address,
diff --git a/homeassistant/components/profiler/config_flow.py b/homeassistant/components/profiler/config_flow.py
index b63246ce386..db3241bf1d3 100644
--- a/homeassistant/components/profiler/config_flow.py
+++ b/homeassistant/components/profiler/config_flow.py
@@ -1,6 +1,4 @@
 """Config flow for Profiler integration."""
-import voluptuous as vol
-
 from homeassistant import config_entries
 
 from .const import DEFAULT_NAME, DOMAIN
@@ -19,4 +17,4 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
         if user_input is not None:
             return self.async_create_entry(title=DEFAULT_NAME, data={})
 
-        return self.async_show_form(step_id="user", data_schema=vol.Schema({}))
+        return self.async_show_form(step_id="user")
diff --git a/homeassistant/components/rtsp_to_webrtc/config_flow.py b/homeassistant/components/rtsp_to_webrtc/config_flow.py
index 32735f3e824..815c5e5db7b 100644
--- a/homeassistant/components/rtsp_to_webrtc/config_flow.py
+++ b/homeassistant/components/rtsp_to_webrtc/config_flow.py
@@ -97,7 +97,6 @@ class RTSPToWebRTCConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
             return self.async_show_form(
                 step_id="hassio_confirm",
                 description_placeholders={"addon": self._hassio_discovery["addon"]},
-                data_schema=vol.Schema({}),
                 errors=errors,
             )
 
diff --git a/homeassistant/components/sonarr/config_flow.py b/homeassistant/components/sonarr/config_flow.py
index c9ef2d3ecc8..0bdcca6c033 100644
--- a/homeassistant/components/sonarr/config_flow.py
+++ b/homeassistant/components/sonarr/config_flow.py
@@ -76,7 +76,6 @@ class SonarrConfigFlow(ConfigFlow, domain=DOMAIN):
             return self.async_show_form(
                 step_id="reauth_confirm",
                 description_placeholders={"url": self.entry.data[CONF_URL]},
-                data_schema=vol.Schema({}),
                 errors={},
             )
 
diff --git a/homeassistant/components/spotify/config_flow.py b/homeassistant/components/spotify/config_flow.py
index bd01fa64acb..e1780ff9d40 100644
--- a/homeassistant/components/spotify/config_flow.py
+++ b/homeassistant/components/spotify/config_flow.py
@@ -5,7 +5,6 @@ import logging
 from typing import Any
 
 from spotipy import Spotify
-import voluptuous as vol
 
 from homeassistant.components import persistent_notification
 from homeassistant.config_entries import ConfigEntry
@@ -83,7 +82,6 @@ class SpotifyFlowHandler(
             return self.async_show_form(
                 step_id="reauth_confirm",
                 description_placeholders={"account": self.reauth_entry.data["id"]},
-                data_schema=vol.Schema({}),
                 errors={},
             )
 
diff --git a/homeassistant/components/velbus/config_flow.py b/homeassistant/components/velbus/config_flow.py
index 189dc029ded..993146d375c 100644
--- a/homeassistant/components/velbus/config_flow.py
+++ b/homeassistant/components/velbus/config_flow.py
@@ -115,5 +115,4 @@ class VelbusConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
         return self.async_show_form(
             step_id="discovery_confirm",
             description_placeholders={CONF_NAME: self._title},
-            data_schema=vol.Schema({}),
         )
diff --git a/homeassistant/components/vizio/config_flow.py b/homeassistant/components/vizio/config_flow.py
index 019d016eb2a..8acc602dd36 100644
--- a/homeassistant/components/vizio/config_flow.py
+++ b/homeassistant/components/vizio/config_flow.py
@@ -454,7 +454,6 @@ class VizioConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
         self._must_show_form = False
         return self.async_show_form(
             step_id=step_id,
-            data_schema=vol.Schema({}),
             description_placeholders={"access_token": self._data[CONF_ACCESS_TOKEN]},
         )
 
diff --git a/homeassistant/components/vlc_telnet/config_flow.py b/homeassistant/components/vlc_telnet/config_flow.py
index d714057e6f7..29508ad1120 100644
--- a/homeassistant/components/vlc_telnet/config_flow.py
+++ b/homeassistant/components/vlc_telnet/config_flow.py
@@ -165,7 +165,6 @@ class VLCTelnetConfigFlow(ConfigFlow, domain=DOMAIN):
         if user_input is None:
             return self.async_show_form(
                 step_id="hassio_confirm",
-                data_schema=vol.Schema({}),
                 description_placeholders={"addon": self.hassio_discovery["addon"]},
             )
 
diff --git a/homeassistant/components/wiz/config_flow.py b/homeassistant/components/wiz/config_flow.py
index 7d86502784c..04a0884059f 100644
--- a/homeassistant/components/wiz/config_flow.py
+++ b/homeassistant/components/wiz/config_flow.py
@@ -103,7 +103,6 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
         return self.async_show_form(
             step_id="discovery_confirm",
             description_placeholders=placeholders,
-            data_schema=vol.Schema({}),
         )
 
     async def async_step_pick_device(
diff --git a/homeassistant/components/xiaomi_miio/config_flow.py b/homeassistant/components/xiaomi_miio/config_flow.py
index 04e2b58ad0f..9796cd22746 100644
--- a/homeassistant/components/xiaomi_miio/config_flow.py
+++ b/homeassistant/components/xiaomi_miio/config_flow.py
@@ -136,9 +136,7 @@ class XiaomiMiioFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
         """Dialog that informs the user that reauth is required."""
         if user_input is not None:
             return await self.async_step_cloud()
-        return self.async_show_form(
-            step_id="reauth_confirm", data_schema=vol.Schema({})
-        )
+        return self.async_show_form(step_id="reauth_confirm")
 
     async def async_step_import(self, conf: dict):
         """Import a configuration from config.yaml."""
diff --git a/homeassistant/components/zha/config_flow.py b/homeassistant/components/zha/config_flow.py
index 4d6b22a82e5..f8f696c56e3 100644
--- a/homeassistant/components/zha/config_flow.py
+++ b/homeassistant/components/zha/config_flow.py
@@ -156,7 +156,6 @@ class ZhaFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
         return self.async_show_form(
             step_id="confirm",
             description_placeholders={CONF_NAME: self._title},
-            data_schema=vol.Schema({}),
         )
 
     async def async_step_zeroconf(
diff --git a/homeassistant/components/zwave_js/config_flow.py b/homeassistant/components/zwave_js/config_flow.py
index 32f406d7476..186695d8fbb 100644
--- a/homeassistant/components/zwave_js/config_flow.py
+++ b/homeassistant/components/zwave_js/config_flow.py
@@ -385,7 +385,6 @@ class ConfigFlow(BaseZwaveJSFlow, config_entries.ConfigFlow, domain=DOMAIN):
             return self.async_show_form(
                 step_id="usb_confirm",
                 description_placeholders={CONF_NAME: self._title},
-                data_schema=vol.Schema({}),
             )
 
         self._usb_discovery = True
diff --git a/homeassistant/data_entry_flow.py b/homeassistant/data_entry_flow.py
index b69cf44dc6c..46311af94e0 100644
--- a/homeassistant/data_entry_flow.py
+++ b/homeassistant/data_entry_flow.py
@@ -69,7 +69,7 @@ class FlowResult(TypedDict, total=False):
     title: str
     data: Mapping[str, Any]
     step_id: str
-    data_schema: vol.Schema
+    data_schema: vol.Schema | None
     extra: str
     required: bool
     errors: dict[str, str] | None
@@ -408,7 +408,7 @@ class FlowHandler:
         self,
         *,
         step_id: str,
-        data_schema: vol.Schema = None,
+        data_schema: vol.Schema | None = None,
         errors: dict[str, str] | None = None,
         description_placeholders: dict[str, Any] | None = None,
         last_step: bool | None = None,
diff --git a/tests/components/config/test_config_entries.py b/tests/components/config/test_config_entries.py
index 06b9f1ae7f6..a24e0961f9c 100644
--- a/tests/components/config/test_config_entries.py
+++ b/tests/components/config/test_config_entries.py
@@ -1017,7 +1017,7 @@ async def test_ignore_flow(hass, hass_ws_client):
 
         async def async_step_user(self, user_input=None):
             await self.async_set_unique_id("mock-unique-id")
-            return self.async_show_form(step_id="account", data_schema=vol.Schema({}))
+            return self.async_show_form(step_id="account")
 
     ws_client = await hass_ws_client(hass)