diff --git a/homeassistant/components/mqtt/config_integration.py b/homeassistant/components/mqtt/config_integration.py
index 4fb53db1031..b72391a55ae 100644
--- a/homeassistant/components/mqtt/config_integration.py
+++ b/homeassistant/components/mqtt/config_integration.py
@@ -18,7 +18,6 @@ from . import (
     button as button_platform,
     cover as cover_platform,
     event as event_platform,
-    lawn_mower as lawn_mower_platform,
     number as number_platform,
     sensor as sensor_platform,
     update as update_platform,
@@ -60,10 +59,7 @@ CONFIG_SCHEMA_BASE = vol.Schema(
         Platform.FAN.value: vol.All(cv.ensure_list, [dict]),
         Platform.HUMIDIFIER.value: vol.All(cv.ensure_list, [dict]),
         Platform.IMAGE.value: vol.All(cv.ensure_list, [dict]),
-        Platform.LAWN_MOWER.value: vol.All(
-            cv.ensure_list,
-            [lawn_mower_platform.PLATFORM_SCHEMA_MODERN],  # type: ignore[has-type]
-        ),
+        Platform.LAWN_MOWER.value: vol.All(cv.ensure_list, [dict]),
         Platform.LIGHT.value: vol.All(cv.ensure_list, [dict]),
         Platform.LOCK.value: vol.All(cv.ensure_list, [dict]),
         Platform.NUMBER.value: vol.All(
diff --git a/homeassistant/components/mqtt/lawn_mower.py b/homeassistant/components/mqtt/lawn_mower.py
index 68c7eda16ea..cd19e9c26ed 100644
--- a/homeassistant/components/mqtt/lawn_mower.py
+++ b/homeassistant/components/mqtt/lawn_mower.py
@@ -3,7 +3,6 @@ from __future__ import annotations
 
 from collections.abc import Callable
 import contextlib
-import functools
 import logging
 
 import voluptuous as vol
@@ -20,7 +19,7 @@ from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.restore_state import RestoreEntity
-from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
+from homeassistant.helpers.typing import ConfigType
 
 from . import subscription
 from .config import MQTT_BASE_SCHEMA
@@ -35,7 +34,7 @@ from .debug_info import log_messages
 from .mixins import (
     MQTT_ENTITY_COMMON_SCHEMA,
     MqttEntity,
-    async_setup_entry_helper,
+    async_mqtt_entry_helper,
     write_state_on_attr_change,
 )
 from .models import (
@@ -92,21 +91,15 @@ async def async_setup_entry(
     async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Set up MQTT lawn mower through YAML and through MQTT discovery."""
-    setup = functools.partial(
-        _async_setup_entity, hass, async_add_entities, config_entry=config_entry
+    await async_mqtt_entry_helper(
+        hass,
+        config_entry,
+        MqttLawnMower,
+        lawn_mower.DOMAIN,
+        async_add_entities,
+        DISCOVERY_SCHEMA,
+        PLATFORM_SCHEMA_MODERN,
     )
-    await async_setup_entry_helper(hass, lawn_mower.DOMAIN, setup, DISCOVERY_SCHEMA)
-
-
-async def _async_setup_entity(
-    hass: HomeAssistant,
-    async_add_entities: AddEntitiesCallback,
-    config: ConfigType,
-    config_entry: ConfigEntry,
-    discovery_data: DiscoveryInfoType | None = None,
-) -> None:
-    """Set up the MQTT lawn mower."""
-    async_add_entities([MqttLawnMower(hass, config, config_entry, discovery_data)])
 
 
 class MqttLawnMower(MqttEntity, LawnMowerEntity, RestoreEntity):