diff --git a/homeassistant/components/switchbee/switch.py b/homeassistant/components/switchbee/switch.py
index 6f05683a014..c502e6f22f5 100644
--- a/homeassistant/components/switchbee/switch.py
+++ b/homeassistant/components/switchbee/switch.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from typing import Any, TypeVar
+from typing import Any
 
 from switchbee.api.central_unit import SwitchBeeDeviceOfflineError, SwitchBeeError
 from switchbee.device import (
@@ -23,16 +23,6 @@ from .const import DOMAIN
 from .coordinator import SwitchBeeCoordinator
 from .entity import SwitchBeeDeviceEntity
 
-_DeviceTypeT = TypeVar(
-    "_DeviceTypeT",
-    bound=(
-        SwitchBeeTimedSwitch
-        | SwitchBeeGroupSwitch
-        | SwitchBeeSwitch
-        | SwitchBeeTimerSwitch
-    ),
-)
-
 
 async def async_setup_entry(
     hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
@@ -55,7 +45,12 @@ async def async_setup_entry(
     )
 
 
-class SwitchBeeSwitchEntity(SwitchBeeDeviceEntity[_DeviceTypeT], SwitchEntity):
+class SwitchBeeSwitchEntity[
+    _DeviceTypeT: SwitchBeeTimedSwitch
+    | SwitchBeeGroupSwitch
+    | SwitchBeeSwitch
+    | SwitchBeeTimerSwitch
+](SwitchBeeDeviceEntity[_DeviceTypeT], SwitchEntity):
     """Representation of a Switchbee switch."""
 
     def __init__(
diff --git a/homeassistant/components/synology_dsm/coordinator.py b/homeassistant/components/synology_dsm/coordinator.py
index bce59d2546e..357de10b5b8 100644
--- a/homeassistant/components/synology_dsm/coordinator.py
+++ b/homeassistant/components/synology_dsm/coordinator.py
@@ -5,7 +5,7 @@ from __future__ import annotations
 from collections.abc import Awaitable, Callable, Coroutine
 from datetime import timedelta
 import logging
-from typing import Any, Concatenate, TypeVar
+from typing import Any, Concatenate
 
 from synology_dsm.api.surveillance_station.camera import SynoCamera
 from synology_dsm.exceptions import (
@@ -28,7 +28,6 @@ from .const import (
 )
 
 _LOGGER = logging.getLogger(__name__)
-_DataT = TypeVar("_DataT")
 
 
 def async_re_login_on_expired[_T: SynologyDSMUpdateCoordinator[Any], **_P, _R](
@@ -57,7 +56,7 @@ def async_re_login_on_expired[_T: SynologyDSMUpdateCoordinator[Any], **_P, _R](
     return _async_wrap
 
 
-class SynologyDSMUpdateCoordinator(DataUpdateCoordinator[_DataT]):
+class SynologyDSMUpdateCoordinator[_DataT](DataUpdateCoordinator[_DataT]):
     """DataUpdateCoordinator base class for synology_dsm."""
 
     def __init__(
diff --git a/homeassistant/components/synology_dsm/entity.py b/homeassistant/components/synology_dsm/entity.py
index 1a2e07af9e1..d8800282c21 100644
--- a/homeassistant/components/synology_dsm/entity.py
+++ b/homeassistant/components/synology_dsm/entity.py
@@ -3,7 +3,7 @@
 from __future__ import annotations
 
 from dataclasses import dataclass
-from typing import Any, TypeVar
+from typing import Any
 
 from homeassistant.helpers.device_registry import DeviceInfo
 from homeassistant.helpers.entity import EntityDescription
@@ -16,8 +16,6 @@ from .coordinator import (
     SynologyDSMUpdateCoordinator,
 )
 
-_CoordinatorT = TypeVar("_CoordinatorT", bound=SynologyDSMUpdateCoordinator[Any])
-
 
 @dataclass(frozen=True, kw_only=True)
 class SynologyDSMEntityDescription(EntityDescription):
@@ -26,7 +24,9 @@ class SynologyDSMEntityDescription(EntityDescription):
     api_key: str
 
 
-class SynologyDSMBaseEntity(CoordinatorEntity[_CoordinatorT]):
+class SynologyDSMBaseEntity[_CoordinatorT: SynologyDSMUpdateCoordinator[Any]](
+    CoordinatorEntity[_CoordinatorT]
+):
     """Representation of a Synology NAS entry."""
 
     entity_description: SynologyDSMEntityDescription
diff --git a/homeassistant/components/tplink_omada/coordinator.py b/homeassistant/components/tplink_omada/coordinator.py
index 893d2e2778d..cfc07b38a49 100644
--- a/homeassistant/components/tplink_omada/coordinator.py
+++ b/homeassistant/components/tplink_omada/coordinator.py
@@ -3,7 +3,6 @@
 import asyncio
 from datetime import timedelta
 import logging
-from typing import Generic, TypeVar
 
 from tplink_omada_client import OmadaSiteClient
 from tplink_omada_client.exceptions import OmadaClientException
@@ -13,10 +12,8 @@ from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, Upda
 
 _LOGGER = logging.getLogger(__name__)
 
-T = TypeVar("T")
 
-
-class OmadaCoordinator(DataUpdateCoordinator[dict[str, T]], Generic[T]):
+class OmadaCoordinator[_T](DataUpdateCoordinator[dict[str, _T]]):
     """Coordinator for synchronizing bulk Omada data."""
 
     def __init__(
@@ -35,7 +32,7 @@ class OmadaCoordinator(DataUpdateCoordinator[dict[str, T]], Generic[T]):
         )
         self.omada_client = omada_client
 
-    async def _async_update_data(self) -> dict[str, T]:
+    async def _async_update_data(self) -> dict[str, _T]:
         """Fetch data from API endpoint."""
         try:
             async with asyncio.timeout(10):
@@ -43,6 +40,6 @@ class OmadaCoordinator(DataUpdateCoordinator[dict[str, T]], Generic[T]):
         except OmadaClientException as err:
             raise UpdateFailed(f"Error communicating with API: {err}") from err
 
-    async def poll_update(self) -> dict[str, T]:
+    async def poll_update(self) -> dict[str, _T]:
         """Poll the current data from the controller."""
         raise NotImplementedError("Update method not implemented")
diff --git a/homeassistant/components/tplink_omada/entity.py b/homeassistant/components/tplink_omada/entity.py
index a0bb562c652..13ec7b3c6cb 100644
--- a/homeassistant/components/tplink_omada/entity.py
+++ b/homeassistant/components/tplink_omada/entity.py
@@ -1,6 +1,6 @@
 """Base entity definitions."""
 
-from typing import Any, Generic, TypeVar
+from typing import Any
 
 from tplink_omada_client.devices import OmadaDevice
 
@@ -11,13 +11,11 @@ from homeassistant.helpers.update_coordinator import CoordinatorEntity
 from .const import DOMAIN
 from .coordinator import OmadaCoordinator
 
-T = TypeVar("T", bound="OmadaCoordinator[Any]")
 
-
-class OmadaDeviceEntity(CoordinatorEntity[T], Generic[T]):
+class OmadaDeviceEntity[_T: OmadaCoordinator[Any]](CoordinatorEntity[_T]):
     """Common base class for all entities associated with Omada SDN Devices."""
 
-    def __init__(self, coordinator: T, device: OmadaDevice) -> None:
+    def __init__(self, coordinator: _T, device: OmadaDevice) -> None:
         """Initialize the device."""
         super().__init__(coordinator)
         self.device = device
diff --git a/homeassistant/components/vera/__init__.py b/homeassistant/components/vera/__init__.py
index acbb89f4367..5340863fa18 100644
--- a/homeassistant/components/vera/__init__.py
+++ b/homeassistant/components/vera/__init__.py
@@ -6,7 +6,7 @@ import asyncio
 from collections import defaultdict
 from collections.abc import Awaitable
 import logging
-from typing import Any, Generic, TypeVar
+from typing import Any
 
 import pyvera as veraApi
 from requests.exceptions import RequestException
@@ -207,10 +207,7 @@ def map_vera_device(
     )
 
 
-_DeviceTypeT = TypeVar("_DeviceTypeT", bound=veraApi.VeraDevice)
-
-
-class VeraDevice(Generic[_DeviceTypeT], Entity):
+class VeraDevice[_DeviceTypeT: veraApi.VeraDevice](Entity):
     """Representation of a Vera device entity."""
 
     def __init__(
diff --git a/homeassistant/components/withings/coordinator.py b/homeassistant/components/withings/coordinator.py
index cb271fee755..35df34ab5a4 100644
--- a/homeassistant/components/withings/coordinator.py
+++ b/homeassistant/components/withings/coordinator.py
@@ -4,7 +4,7 @@ from __future__ import annotations
 
 from abc import abstractmethod
 from datetime import date, datetime, timedelta
-from typing import TYPE_CHECKING, TypeVar
+from typing import TYPE_CHECKING
 
 from aiowithings import (
     Activity,
@@ -30,12 +30,10 @@ from .const import LOGGER
 if TYPE_CHECKING:
     from . import WithingsConfigEntry
 
-_T = TypeVar("_T")
-
 UPDATE_INTERVAL = timedelta(minutes=10)
 
 
-class WithingsDataUpdateCoordinator(DataUpdateCoordinator[_T]):
+class WithingsDataUpdateCoordinator[_DataT](DataUpdateCoordinator[_DataT]):
     """Base coordinator."""
 
     config_entry: WithingsConfigEntry
@@ -75,14 +73,14 @@ class WithingsDataUpdateCoordinator(DataUpdateCoordinator[_T]):
         )
         await self.async_request_refresh()
 
-    async def _async_update_data(self) -> _T:
+    async def _async_update_data(self) -> _DataT:
         try:
             return await self._internal_update_data()
         except (WithingsUnauthorizedError, WithingsAuthenticationFailedError) as exc:
             raise ConfigEntryAuthFailed from exc
 
     @abstractmethod
-    async def _internal_update_data(self) -> _T:
+    async def _internal_update_data(self) -> _DataT:
         """Update coordinator data."""
 
 
diff --git a/homeassistant/components/withings/entity.py b/homeassistant/components/withings/entity.py
index 4c9b27c72fc..a5cb62b72a2 100644
--- a/homeassistant/components/withings/entity.py
+++ b/homeassistant/components/withings/entity.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from typing import TypeVar
+from typing import Any
 
 from homeassistant.helpers.device_registry import DeviceInfo
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
@@ -10,10 +10,8 @@ from homeassistant.helpers.update_coordinator import CoordinatorEntity
 from .const import DOMAIN
 from .coordinator import WithingsDataUpdateCoordinator
 
-_T = TypeVar("_T", bound=WithingsDataUpdateCoordinator)
 
-
-class WithingsEntity(CoordinatorEntity[_T]):
+class WithingsEntity[_T: WithingsDataUpdateCoordinator[Any]](CoordinatorEntity[_T]):
     """Base class for withings entities."""
 
     _attr_has_entity_name = True
diff --git a/homeassistant/components/withings/sensor.py b/homeassistant/components/withings/sensor.py
index d803481617b..6d4d18bedd8 100644
--- a/homeassistant/components/withings/sensor.py
+++ b/homeassistant/components/withings/sensor.py
@@ -5,7 +5,7 @@ from __future__ import annotations
 from collections.abc import Callable
 from dataclasses import dataclass
 from datetime import datetime
-from typing import Generic, TypeVar
+from typing import Any
 
 from aiowithings import (
     Activity,
@@ -767,11 +767,10 @@ async def async_setup_entry(
     async_add_entities(entities)
 
 
-_T = TypeVar("_T", bound=WithingsDataUpdateCoordinator)
-_ED = TypeVar("_ED", bound=SensorEntityDescription)
-
-
-class WithingsSensor(WithingsEntity[_T], SensorEntity, Generic[_T, _ED]):
+class WithingsSensor[
+    _T: WithingsDataUpdateCoordinator[Any],
+    _ED: SensorEntityDescription,
+](WithingsEntity[_T], SensorEntity):
     """Implementation of a Withings sensor."""
 
     entity_description: _ED
diff --git a/homeassistant/components/xiaomi_ble/coordinator.py b/homeassistant/components/xiaomi_ble/coordinator.py
index ee6ce531293..1cd49e851ea 100644
--- a/homeassistant/components/xiaomi_ble/coordinator.py
+++ b/homeassistant/components/xiaomi_ble/coordinator.py
@@ -2,7 +2,7 @@
 
 from collections.abc import Callable, Coroutine
 from logging import Logger
-from typing import Any, TypeVar
+from typing import Any
 
 from xiaomi_ble import SensorUpdate, XiaomiBluetoothDeviceData
 
@@ -22,8 +22,6 @@ from homeassistant.helpers.debounce import Debouncer
 
 from .const import CONF_SLEEPY_DEVICE
 
-_T = TypeVar("_T")
-
 
 class XiaomiActiveBluetoothProcessorCoordinator(
     ActiveBluetoothProcessorCoordinator[SensorUpdate]
@@ -72,7 +70,7 @@ class XiaomiActiveBluetoothProcessorCoordinator(
         return self.entry.data.get(CONF_SLEEPY_DEVICE, self.device_data.sleepy_device)
 
 
-class XiaomiPassiveBluetoothDataProcessor(
+class XiaomiPassiveBluetoothDataProcessor[_T](
     PassiveBluetoothDataProcessor[_T, SensorUpdate]
 ):
     """Define a Xiaomi Bluetooth Passive Update Data Processor."""
diff --git a/homeassistant/components/xiaomi_miio/device.py b/homeassistant/components/xiaomi_miio/device.py
index 39cb0ee5f96..e90a86ab7e9 100644
--- a/homeassistant/components/xiaomi_miio/device.py
+++ b/homeassistant/components/xiaomi_miio/device.py
@@ -4,7 +4,7 @@ import datetime
 from enum import Enum
 from functools import partial
 import logging
-from typing import Any, TypeVar
+from typing import Any
 
 from construct.core import ChecksumError
 from miio import Device, DeviceException
@@ -22,8 +22,6 @@ from .const import DOMAIN, AuthException, SetupException
 
 _LOGGER = logging.getLogger(__name__)
 
-_T = TypeVar("_T", bound=DataUpdateCoordinator[Any])
-
 
 class ConnectXiaomiDevice:
     """Class to async connect to a Xiaomi Device."""
@@ -109,7 +107,9 @@ class XiaomiMiioEntity(Entity):
         return device_info
 
 
-class XiaomiCoordinatedMiioEntity(CoordinatorEntity[_T]):
+class XiaomiCoordinatedMiioEntity[_T: DataUpdateCoordinator[Any]](
+    CoordinatorEntity[_T]
+):
     """Representation of a base a coordinated Xiaomi Miio Entity."""
 
     _attr_has_entity_name = True