diff --git a/homeassistant/components/motionblinds_ble/sensor.py b/homeassistant/components/motionblinds_ble/sensor.py
index aa0f5ef7c90c58..740a0509a9e73c 100644
--- a/homeassistant/components/motionblinds_ble/sensor.py
+++ b/homeassistant/components/motionblinds_ble/sensor.py
@@ -6,7 +6,6 @@
 from dataclasses import dataclass
 import logging
 from math import ceil
-from typing import Generic, TypeVar
 
 from motionblindsble.const import (
     MotionBlindType,
@@ -45,11 +44,9 @@
 
 PARALLEL_UPDATES = 0
 
-_T = TypeVar("_T")
-
 
 @dataclass(frozen=True, kw_only=True)
-class MotionblindsBLESensorEntityDescription(SensorEntityDescription, Generic[_T]):
+class MotionblindsBLESensorEntityDescription[_T](SensorEntityDescription):
     """Entity description of a sensor entity with initial_value attribute."""
 
     initial_value: str | None = None
@@ -110,7 +107,7 @@ async def async_setup_entry(
     async_add_entities(entities)
 
 
-class MotionblindsBLESensorEntity(MotionblindsBLEEntity, SensorEntity, Generic[_T]):
+class MotionblindsBLESensorEntity[_T](MotionblindsBLEEntity, SensorEntity):
     """Representation of a sensor entity."""
 
     entity_description: MotionblindsBLESensorEntityDescription[_T]
diff --git a/homeassistant/components/powerfox/sensor.py b/homeassistant/components/powerfox/sensor.py
index af6f0301b0cf73..7771f96dd81abf 100644
--- a/homeassistant/components/powerfox/sensor.py
+++ b/homeassistant/components/powerfox/sensor.py
@@ -4,7 +4,6 @@
 
 from collections.abc import Callable
 from dataclasses import dataclass
-from typing import Generic, TypeVar
 
 from powerfox import Device, PowerMeter, WaterMeter
 
@@ -22,11 +21,11 @@
 from .coordinator import PowerfoxDataUpdateCoordinator
 from .entity import PowerfoxEntity
 
-T = TypeVar("T", PowerMeter, WaterMeter)
-
 
 @dataclass(frozen=True, kw_only=True)
-class PowerfoxSensorEntityDescription(Generic[T], SensorEntityDescription):
+class PowerfoxSensorEntityDescription[T: (PowerMeter, WaterMeter)](
+    SensorEntityDescription
+):
     """Describes Poweropti sensor entity."""
 
     value_fn: Callable[[T], float | int | None]
diff --git a/homeassistant/components/powerwall/sensor.py b/homeassistant/components/powerwall/sensor.py
index 9423d65b0fc468..28506e2a60c3be 100644
--- a/homeassistant/components/powerwall/sensor.py
+++ b/homeassistant/components/powerwall/sensor.py
@@ -5,7 +5,7 @@
 from collections.abc import Callable
 from dataclasses import dataclass
 from operator import attrgetter, methodcaller
-from typing import TYPE_CHECKING, Generic, TypeVar
+from typing import TYPE_CHECKING
 
 from tesla_powerwall import GridState, MeterResponse, MeterType
 
@@ -35,14 +35,12 @@
 _METER_DIRECTION_EXPORT = "export"
 _METER_DIRECTION_IMPORT = "import"
 
-_ValueParamT = TypeVar("_ValueParamT")
-_ValueT = TypeVar("_ValueT", bound=float | int | str | None)
+type _ValueType = float | int | str | None
 
 
 @dataclass(frozen=True, kw_only=True)
-class PowerwallSensorEntityDescription(
-    SensorEntityDescription,
-    Generic[_ValueParamT, _ValueT],
+class PowerwallSensorEntityDescription[_ValueParamT, _ValueT: _ValueType](
+    SensorEntityDescription
 ):
     """Describes Powerwall entity."""
 
@@ -389,7 +387,7 @@ def native_value(self) -> float | None:
         return meter.get_energy_imported()
 
 
-class PowerWallBatterySensor(BatteryEntity, SensorEntity, Generic[_ValueT]):
+class PowerWallBatterySensor[_ValueT: _ValueType](BatteryEntity, SensorEntity):
     """Representation of an Powerwall Battery sensor."""
 
     entity_description: PowerwallSensorEntityDescription[BatteryResponse, _ValueT]
diff --git a/homeassistant/helpers/event.py b/homeassistant/helpers/event.py
index 578132f358f10b..72a4ef3c05065c 100644
--- a/homeassistant/helpers/event.py
+++ b/homeassistant/helpers/event.py
@@ -90,7 +90,6 @@
 RANDOM_MICROSECOND_MAX = 500000
 
 _TypedDictT = TypeVar("_TypedDictT", bound=Mapping[str, Any])
-_StateEventDataT = TypeVar("_StateEventDataT", bound=EventStateEventData)
 
 
 @dataclass(slots=True, frozen=True)
@@ -333,7 +332,7 @@ def async_track_state_change_event(
 
 
 @callback
-def _async_dispatch_entity_id_event_soon(
+def _async_dispatch_entity_id_event_soon[_StateEventDataT: EventStateEventData](
     hass: HomeAssistant,
     callbacks: dict[str, list[HassJob[[Event[_StateEventDataT]], Any]]],
     event: Event[_StateEventDataT],
@@ -343,7 +342,7 @@ def _async_dispatch_entity_id_event_soon(
 
 
 @callback
-def _async_dispatch_entity_id_event(
+def _async_dispatch_entity_id_event[_StateEventDataT: EventStateEventData](
     hass: HomeAssistant,
     callbacks: dict[str, list[HassJob[[Event[_StateEventDataT]], Any]]],
     event: Event[_StateEventDataT],
@@ -363,7 +362,7 @@ def _async_dispatch_entity_id_event(
 
 
 @callback
-def _async_state_filter(
+def _async_state_filter[_StateEventDataT: EventStateEventData](
     hass: HomeAssistant,
     callbacks: dict[str, list[HassJob[[Event[_StateEventDataT]], Any]]],
     event_data: _StateEventDataT,