diff --git a/homeassistant/components/aosmith/entity.py b/homeassistant/components/aosmith/entity.py
index d35b8b36410..711b0c8559c 100644
--- a/homeassistant/components/aosmith/entity.py
+++ b/homeassistant/components/aosmith/entity.py
@@ -1,7 +1,5 @@
 """The base entity for the A. O. Smith integration."""
 
-from typing import TypeVar
-
 from py_aosmith import AOSmithAPIClient
 from py_aosmith.models import Device as AOSmithDevice
 
@@ -11,12 +9,10 @@ from homeassistant.helpers.update_coordinator import CoordinatorEntity
 from .const import DOMAIN
 from .coordinator import AOSmithEnergyCoordinator, AOSmithStatusCoordinator
 
-_AOSmithCoordinatorT = TypeVar(
-    "_AOSmithCoordinatorT", bound=AOSmithStatusCoordinator | AOSmithEnergyCoordinator
-)
 
-
-class AOSmithEntity(CoordinatorEntity[_AOSmithCoordinatorT]):
+class AOSmithEntity[
+    _AOSmithCoordinatorT: AOSmithStatusCoordinator | AOSmithEnergyCoordinator
+](CoordinatorEntity[_AOSmithCoordinatorT]):
     """Base entity for A. O. Smith."""
 
     _attr_has_entity_name = True
diff --git a/homeassistant/components/blebox/__init__.py b/homeassistant/components/blebox/__init__.py
index ce142101c3e..77b9618a5e3 100644
--- a/homeassistant/components/blebox/__init__.py
+++ b/homeassistant/components/blebox/__init__.py
@@ -1,7 +1,6 @@
 """The BleBox devices integration."""
 
 import logging
-from typing import Generic, TypeVar
 
 from blebox_uniapi.box import Box
 from blebox_uniapi.error import Error
@@ -38,8 +37,6 @@ PLATFORMS = [
 
 PARALLEL_UPDATES = 0
 
-_FeatureT = TypeVar("_FeatureT", bound=Feature)
-
 
 async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Set up BleBox devices from a config entry."""
@@ -80,7 +77,7 @@ async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     return unload_ok
 
 
-class BleBoxEntity(Entity, Generic[_FeatureT]):
+class BleBoxEntity[_FeatureT: Feature](Entity):
     """Implements a common class for entities representing a BleBox feature."""
 
     def __init__(self, feature: _FeatureT) -> None:
diff --git a/homeassistant/components/bluetooth/active_update_coordinator.py b/homeassistant/components/bluetooth/active_update_coordinator.py
index 2a525b55582..7c3d1bc3620 100644
--- a/homeassistant/components/bluetooth/active_update_coordinator.py
+++ b/homeassistant/components/bluetooth/active_update_coordinator.py
@@ -7,7 +7,7 @@ from __future__ import annotations
 
 from collections.abc import Callable, Coroutine
 import logging
-from typing import Any, Generic, TypeVar
+from typing import Any
 
 from bleak import BleakError
 from bluetooth_data_tools import monotonic_time_coarse
@@ -21,12 +21,8 @@ from .passive_update_coordinator import PassiveBluetoothDataUpdateCoordinator
 POLL_DEFAULT_COOLDOWN = 10
 POLL_DEFAULT_IMMEDIATE = True
 
-_T = TypeVar("_T")
 
-
-class ActiveBluetoothDataUpdateCoordinator(
-    PassiveBluetoothDataUpdateCoordinator, Generic[_T]
-):
+class ActiveBluetoothDataUpdateCoordinator[_T](PassiveBluetoothDataUpdateCoordinator):
     """A coordinator that receives passive data from advertisements but can also poll.
 
     Unlike the passive processor coordinator, this coordinator does call a parser
diff --git a/homeassistant/components/bluetooth/active_update_processor.py b/homeassistant/components/bluetooth/active_update_processor.py
index 58bff8549c0..e7b65067070 100644
--- a/homeassistant/components/bluetooth/active_update_processor.py
+++ b/homeassistant/components/bluetooth/active_update_processor.py
@@ -7,7 +7,7 @@ from __future__ import annotations
 
 from collections.abc import Callable, Coroutine
 import logging
-from typing import Any, TypeVar
+from typing import Any
 
 from bleak import BleakError
 from bluetooth_data_tools import monotonic_time_coarse
@@ -21,10 +21,10 @@ from .passive_update_processor import PassiveBluetoothProcessorCoordinator
 POLL_DEFAULT_COOLDOWN = 10
 POLL_DEFAULT_IMMEDIATE = True
 
-_DataT = TypeVar("_DataT")
 
-
-class ActiveBluetoothProcessorCoordinator(PassiveBluetoothProcessorCoordinator[_DataT]):
+class ActiveBluetoothProcessorCoordinator[_DataT](
+    PassiveBluetoothProcessorCoordinator[_DataT]
+):
     """A processor coordinator that parses passive data.
 
     Parses passive data from advertisements but can also poll.
diff --git a/homeassistant/components/bluetooth/match.py b/homeassistant/components/bluetooth/match.py
index a5e1159e04e..06caf18c9f1 100644
--- a/homeassistant/components/bluetooth/match.py
+++ b/homeassistant/components/bluetooth/match.py
@@ -6,7 +6,7 @@ from dataclasses import dataclass
 from fnmatch import translate
 from functools import lru_cache
 import re
-from typing import TYPE_CHECKING, Final, Generic, TypedDict, TypeVar
+from typing import TYPE_CHECKING, Final, TypedDict
 
 from lru import LRU
 
@@ -148,10 +148,9 @@ class IntegrationMatcher:
         return matched_domains
 
 
-_T = TypeVar("_T", BluetoothMatcher, BluetoothCallbackMatcherWithCallback)
-
-
-class BluetoothMatcherIndexBase(Generic[_T]):
+class BluetoothMatcherIndexBase[
+    _T: (BluetoothMatcher, BluetoothCallbackMatcherWithCallback)
+]:
     """Bluetooth matcher base for the bluetooth integration.
 
     The indexer puts each matcher in the bucket that it is most
diff --git a/homeassistant/components/bluetooth/passive_update_processor.py b/homeassistant/components/bluetooth/passive_update_processor.py
index b400455ce18..29ebda3488b 100644
--- a/homeassistant/components/bluetooth/passive_update_processor.py
+++ b/homeassistant/components/bluetooth/passive_update_processor.py
@@ -6,7 +6,7 @@ import dataclasses
 from datetime import timedelta
 from functools import cache
 import logging
-from typing import TYPE_CHECKING, Any, Generic, Self, TypedDict, TypeVar, cast
+from typing import TYPE_CHECKING, Any, Self, TypedDict, cast
 
 from habluetooth import BluetoothScanningMode
 
@@ -43,9 +43,6 @@ STORAGE_VERSION = 1
 STORAGE_SAVE_INTERVAL = timedelta(minutes=15)
 PASSIVE_UPDATE_PROCESSOR = "passive_update_processor"
 
-_T = TypeVar("_T")
-_DataT = TypeVar("_DataT")
-
 
 @dataclasses.dataclass(slots=True, frozen=True)
 class PassiveBluetoothEntityKey:
@@ -125,7 +122,7 @@ def serialize_entity_description(description: EntityDescription) -> dict[str, An
 
 
 @dataclasses.dataclass(slots=True, frozen=False)
-class PassiveBluetoothDataUpdate(Generic[_T]):
+class PassiveBluetoothDataUpdate[_T]:
     """Generic bluetooth data."""
 
     devices: dict[str | None, DeviceInfo] = dataclasses.field(default_factory=dict)
@@ -277,9 +274,7 @@ async def async_setup(hass: HomeAssistant) -> None:
     )
 
 
-class PassiveBluetoothProcessorCoordinator(
-    Generic[_DataT], BasePassiveBluetoothCoordinator
-):
+class PassiveBluetoothProcessorCoordinator[_DataT](BasePassiveBluetoothCoordinator):
     """Passive bluetooth processor coordinator for bluetooth advertisements.
 
     The coordinator is responsible for dispatching the bluetooth data,
@@ -388,13 +383,7 @@ class PassiveBluetoothProcessorCoordinator(
             processor.async_handle_update(update, was_available)
 
 
-_PassiveBluetoothDataProcessorT = TypeVar(
-    "_PassiveBluetoothDataProcessorT",
-    bound="PassiveBluetoothDataProcessor[Any, Any]",
-)
-
-
-class PassiveBluetoothDataProcessor(Generic[_T, _DataT]):
+class PassiveBluetoothDataProcessor[_T, _DataT]:
     """Passive bluetooth data processor for bluetooth advertisements.
 
     The processor is responsible for keeping track of the bluetooth data
@@ -609,7 +598,9 @@ class PassiveBluetoothDataProcessor(Generic[_T, _DataT]):
         self.async_update_listeners(new_data, was_available, changed_entity_keys)
 
 
-class PassiveBluetoothProcessorEntity(Entity, Generic[_PassiveBluetoothDataProcessorT]):
+class PassiveBluetoothProcessorEntity[
+    _PassiveBluetoothDataProcessorT: PassiveBluetoothDataProcessor[Any, Any]
+](Entity):
     """A class for entities using PassiveBluetoothDataProcessor."""
 
     _attr_has_entity_name = True
diff --git a/homeassistant/components/bthome/coordinator.py b/homeassistant/components/bthome/coordinator.py
index d8b5a14911b..cb2abef6a43 100644
--- a/homeassistant/components/bthome/coordinator.py
+++ b/homeassistant/components/bthome/coordinator.py
@@ -2,7 +2,6 @@
 
 from collections.abc import Callable
 from logging import Logger
-from typing import TypeVar
 
 from bthome_ble import BTHomeBluetoothDeviceData, SensorUpdate
 
@@ -19,8 +18,6 @@ from homeassistant.core import HomeAssistant
 
 from .const import CONF_SLEEPY_DEVICE
 
-_T = TypeVar("_T")
-
 
 class BTHomePassiveBluetoothProcessorCoordinator(
     PassiveBluetoothProcessorCoordinator[SensorUpdate]
@@ -51,7 +48,7 @@ class BTHomePassiveBluetoothProcessorCoordinator(
         return self.entry.data.get(CONF_SLEEPY_DEVICE, self.device_data.sleepy_device)
 
 
-class BTHomePassiveBluetoothDataProcessor(
+class BTHomePassiveBluetoothDataProcessor[_T](
     PassiveBluetoothDataProcessor[_T, SensorUpdate]
 ):
     """Define a BTHome Bluetooth Passive Update Data Processor."""
diff --git a/homeassistant/components/config/view.py b/homeassistant/components/config/view.py
index 62459a83a7d..980c0f82dd1 100644
--- a/homeassistant/components/config/view.py
+++ b/homeassistant/components/config/view.py
@@ -6,7 +6,7 @@ import asyncio
 from collections.abc import Callable, Coroutine
 from http import HTTPStatus
 import os
-from typing import Any, Generic, TypeVar, cast
+from typing import Any, cast
 
 from aiohttp import web
 import voluptuous as vol
@@ -21,10 +21,10 @@ from homeassistant.util.yaml.loader import JSON_TYPE
 
 from .const import ACTION_CREATE_UPDATE, ACTION_DELETE
 
-_DataT = TypeVar("_DataT", dict[str, dict[str, Any]], list[dict[str, Any]])
 
-
-class BaseEditConfigView(HomeAssistantView, Generic[_DataT]):
+class BaseEditConfigView[_DataT: (dict[str, dict[str, Any]], list[dict[str, Any]])](
+    HomeAssistantView
+):
     """Configure a Group endpoint."""
 
     def __init__(
diff --git a/homeassistant/components/deconz/light.py b/homeassistant/components/deconz/light.py
index 9e932b46fec..cb834f9eee7 100644
--- a/homeassistant/components/deconz/light.py
+++ b/homeassistant/components/deconz/light.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from typing import Any, TypedDict, TypeVar, cast
+from typing import Any, TypedDict, cast
 
 from pydeconz.interfaces.groups import GroupHandler
 from pydeconz.interfaces.lights import LightHandler
@@ -86,8 +86,6 @@ XMAS_LIGHT_EFFECTS = [
     "waves",
 ]
 
-_LightDeviceT = TypeVar("_LightDeviceT", bound=Group | Light)
-
 
 class SetStateAttributes(TypedDict, total=False):
     """Attributes available with set state call."""
@@ -167,7 +165,9 @@ async def async_setup_entry(
     )
 
 
-class DeconzBaseLight(DeconzDevice[_LightDeviceT], LightEntity):
+class DeconzBaseLight[_LightDeviceT: Group | Light](
+    DeconzDevice[_LightDeviceT], LightEntity
+):
     """Representation of a deCONZ light."""
 
     TYPE = DOMAIN
diff --git a/homeassistant/components/deconz/number.py b/homeassistant/components/deconz/number.py
index 03c25668820..f29caf97b52 100644
--- a/homeassistant/components/deconz/number.py
+++ b/homeassistant/components/deconz/number.py
@@ -4,7 +4,7 @@ from __future__ import annotations
 
 from collections.abc import Callable, Coroutine
 from dataclasses import dataclass
-from typing import Any, Generic, TypeVar
+from typing import Any
 
 from pydeconz.gateway import DeconzSession
 from pydeconz.interfaces.sensors import SensorResources
@@ -25,18 +25,18 @@ from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from .deconz_device import DeconzDevice
 from .hub import DeconzHub
 
-T = TypeVar("T", Presence, PydeconzSensorBase)
-
 
 @dataclass(frozen=True, kw_only=True)
-class DeconzNumberDescription(Generic[T], NumberEntityDescription):
+class DeconzNumberDescription[_T: (Presence, PydeconzSensorBase)](
+    NumberEntityDescription
+):
     """Class describing deCONZ number entities."""
 
-    instance_check: type[T]
+    instance_check: type[_T]
     name_suffix: str
     set_fn: Callable[[DeconzSession, str, int], Coroutine[Any, Any, dict[str, Any]]]
     update_key: str
-    value_fn: Callable[[T], float | None]
+    value_fn: Callable[[_T], float | None]
 
 
 ENTITY_DESCRIPTIONS: tuple[DeconzNumberDescription, ...] = (
diff --git a/homeassistant/components/esphome/enum_mapper.py b/homeassistant/components/esphome/enum_mapper.py
index 0e59cde8a7e..f59af1a8a44 100644
--- a/homeassistant/components/esphome/enum_mapper.py
+++ b/homeassistant/components/esphome/enum_mapper.py
@@ -1,14 +1,11 @@
 """Helper class to convert between Home Assistant and ESPHome enum values."""
 
-from typing import Generic, TypeVar, overload
+from typing import overload
 
 from aioesphomeapi import APIIntEnum
 
-_EnumT = TypeVar("_EnumT", bound=APIIntEnum)
-_ValT = TypeVar("_ValT")
 
-
-class EsphomeEnumMapper(Generic[_EnumT, _ValT]):
+class EsphomeEnumMapper[_EnumT: APIIntEnum, _ValT]:
     """Helper class to convert between hass and esphome enum values."""
 
     def __init__(self, mapping: dict[_EnumT, _ValT]) -> None:
diff --git a/homeassistant/components/ffmpeg/__init__.py b/homeassistant/components/ffmpeg/__init__.py
index e5086166ff5..5e1be36f398 100644
--- a/homeassistant/components/ffmpeg/__init__.py
+++ b/homeassistant/components/ffmpeg/__init__.py
@@ -5,7 +5,6 @@ from __future__ import annotations
 import asyncio
 from functools import cached_property
 import re
-from typing import Generic, TypeVar
 
 from haffmpeg.core import HAFFmpeg
 from haffmpeg.tools import IMAGE_JPEG, FFVersion, ImageFrame
@@ -29,8 +28,6 @@ from homeassistant.helpers.typing import ConfigType
 from homeassistant.loader import bind_hass
 from homeassistant.util.signal_type import SignalType
 
-_HAFFmpegT = TypeVar("_HAFFmpegT", bound=HAFFmpeg)
-
 DOMAIN = "ffmpeg"
 
 SERVICE_START = "start"
@@ -179,7 +176,7 @@ class FFmpegManager:
         return CONTENT_TYPE_MULTIPART.format("ffserver")
 
 
-class FFmpegBase(Entity, Generic[_HAFFmpegT]):
+class FFmpegBase[_HAFFmpegT: HAFFmpeg](Entity):
     """Interface object for FFmpeg."""
 
     _attr_should_poll = False
diff --git a/homeassistant/components/ffmpeg_motion/binary_sensor.py b/homeassistant/components/ffmpeg_motion/binary_sensor.py
index d5030d4530e..a9e1de2ea05 100644
--- a/homeassistant/components/ffmpeg_motion/binary_sensor.py
+++ b/homeassistant/components/ffmpeg_motion/binary_sensor.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from typing import Any, TypeVar
+from typing import Any
 
 from haffmpeg.core import HAFFmpeg
 import haffmpeg.sensor as ffmpeg_sensor
@@ -27,8 +27,6 @@ import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
-_HAFFmpegT = TypeVar("_HAFFmpegT", bound=HAFFmpeg)
-
 CONF_RESET = "reset"
 CONF_CHANGES = "changes"
 CONF_REPEAT_TIME = "repeat_time"
@@ -70,7 +68,9 @@ async def async_setup_platform(
     async_add_entities([entity])
 
 
-class FFmpegBinarySensor(FFmpegBase[_HAFFmpegT], BinarySensorEntity):
+class FFmpegBinarySensor[_HAFFmpegT: HAFFmpeg](
+    FFmpegBase[_HAFFmpegT], BinarySensorEntity
+):
     """A binary sensor which use FFmpeg for noise detection."""
 
     def __init__(self, ffmpeg: _HAFFmpegT, config: dict[str, Any]) -> None:
diff --git a/homeassistant/components/flume/entity.py b/homeassistant/components/flume/entity.py
index 139094e9ae3..2698a319220 100644
--- a/homeassistant/components/flume/entity.py
+++ b/homeassistant/components/flume/entity.py
@@ -2,8 +2,6 @@
 
 from __future__ import annotations
 
-from typing import TypeVar
-
 from homeassistant.helpers.device_registry import DeviceInfo
 from homeassistant.helpers.entity import EntityDescription
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
@@ -15,17 +13,12 @@ from .coordinator import (
     FlumeNotificationDataUpdateCoordinator,
 )
 
-_FlumeCoordinatorT = TypeVar(
-    "_FlumeCoordinatorT",
-    bound=(
-        FlumeDeviceDataUpdateCoordinator
-        | FlumeDeviceConnectionUpdateCoordinator
-        | FlumeNotificationDataUpdateCoordinator
-    ),
-)
 
-
-class FlumeEntity(CoordinatorEntity[_FlumeCoordinatorT]):
+class FlumeEntity[
+    _FlumeCoordinatorT: FlumeDeviceDataUpdateCoordinator
+    | FlumeDeviceConnectionUpdateCoordinator
+    | FlumeNotificationDataUpdateCoordinator
+](CoordinatorEntity[_FlumeCoordinatorT]):
     """Base entity class."""
 
     _attr_attribution = "Data provided by Flume API"