diff --git a/homeassistant/components/devolo_home_network/binary_sensor.py b/homeassistant/components/devolo_home_network/binary_sensor.py
index cf8358b69a3..8d7f578651a 100644
--- a/homeassistant/components/devolo_home_network/binary_sensor.py
+++ b/homeassistant/components/devolo_home_network/binary_sensor.py
@@ -32,20 +32,13 @@ def _is_connected_to_router(entity: DevoloBinarySensorEntity) -> bool:
     )
 
 
-@dataclass(frozen=True)
-class DevoloBinarySensorRequiredKeysMixin:
-    """Mixin for required keys."""
+@dataclass(frozen=True, kw_only=True)
+class DevoloBinarySensorEntityDescription(BinarySensorEntityDescription):
+    """Describes devolo sensor entity."""
 
     value_func: Callable[[DevoloBinarySensorEntity], bool]
 
 
-@dataclass(frozen=True)
-class DevoloBinarySensorEntityDescription(
-    BinarySensorEntityDescription, DevoloBinarySensorRequiredKeysMixin
-):
-    """Describes devolo sensor entity."""
-
-
 SENSOR_TYPES: dict[str, DevoloBinarySensorEntityDescription] = {
     CONNECTED_TO_ROUTER: DevoloBinarySensorEntityDescription(
         key=CONNECTED_TO_ROUTER,
diff --git a/homeassistant/components/devolo_home_network/button.py b/homeassistant/components/devolo_home_network/button.py
index eba1ad05157..3bcdf6c4610 100644
--- a/homeassistant/components/devolo_home_network/button.py
+++ b/homeassistant/components/devolo_home_network/button.py
@@ -22,20 +22,13 @@ from .const import DOMAIN, IDENTIFY, PAIRING, RESTART, START_WPS
 from .entity import DevoloEntity
 
 
-@dataclass(frozen=True)
-class DevoloButtonRequiredKeysMixin:
-    """Mixin for required keys."""
+@dataclass(frozen=True, kw_only=True)
+class DevoloButtonEntityDescription(ButtonEntityDescription):
+    """Describes devolo button entity."""
 
     press_func: Callable[[Device], Awaitable[bool]]
 
 
-@dataclass(frozen=True)
-class DevoloButtonEntityDescription(
-    ButtonEntityDescription, DevoloButtonRequiredKeysMixin
-):
-    """Describes devolo button entity."""
-
-
 BUTTON_TYPES: dict[str, DevoloButtonEntityDescription] = {
     IDENTIFY: DevoloButtonEntityDescription(
         key=IDENTIFY,
diff --git a/homeassistant/components/devolo_home_network/image.py b/homeassistant/components/devolo_home_network/image.py
index 72cf4f57c1d..16b89bb1180 100644
--- a/homeassistant/components/devolo_home_network/image.py
+++ b/homeassistant/components/devolo_home_network/image.py
@@ -21,20 +21,13 @@ from .const import DOMAIN, IMAGE_GUEST_WIFI, SWITCH_GUEST_WIFI
 from .entity import DevoloCoordinatorEntity
 
 
-@dataclass(frozen=True)
-class DevoloImageRequiredKeysMixin:
-    """Mixin for required keys."""
+@dataclass(frozen=True, kw_only=True)
+class DevoloImageEntityDescription(ImageEntityDescription):
+    """Describes devolo image entity."""
 
     image_func: Callable[[WifiGuestAccessGet], bytes]
 
 
-@dataclass(frozen=True)
-class DevoloImageEntityDescription(
-    ImageEntityDescription, DevoloImageRequiredKeysMixin
-):
-    """Describes devolo image entity."""
-
-
 IMAGE_TYPES: dict[str, DevoloImageEntityDescription] = {
     IMAGE_GUEST_WIFI: DevoloImageEntityDescription(
         key=IMAGE_GUEST_WIFI,
diff --git a/homeassistant/components/devolo_home_network/sensor.py b/homeassistant/components/devolo_home_network/sensor.py
index 750bb9ad13d..8a7676ceb26 100644
--- a/homeassistant/components/devolo_home_network/sensor.py
+++ b/homeassistant/components/devolo_home_network/sensor.py
@@ -49,19 +49,14 @@ class DataRateDirection(StrEnum):
     TX = "tx_rate"
 
 
-@dataclass(frozen=True)
-class DevoloSensorRequiredKeysMixin(Generic[_CoordinatorDataT]):
-    """Mixin for required keys."""
-
-    value_func: Callable[[_CoordinatorDataT], float]
-
-
-@dataclass(frozen=True)
+@dataclass(frozen=True, kw_only=True)
 class DevoloSensorEntityDescription(
-    SensorEntityDescription, DevoloSensorRequiredKeysMixin[_CoordinatorDataT]
+    SensorEntityDescription, Generic[_CoordinatorDataT]
 ):
     """Describes devolo sensor entity."""
 
+    value_func: Callable[[_CoordinatorDataT], float]
+
 
 SENSOR_TYPES: dict[str, DevoloSensorEntityDescription[Any]] = {
     CONNECTED_PLC_DEVICES: DevoloSensorEntityDescription[LogicalNetwork](
diff --git a/homeassistant/components/devolo_home_network/switch.py b/homeassistant/components/devolo_home_network/switch.py
index af0569a016f..05169073369 100644
--- a/homeassistant/components/devolo_home_network/switch.py
+++ b/homeassistant/components/devolo_home_network/switch.py
@@ -23,22 +23,15 @@ from .entity import DevoloCoordinatorEntity
 _DataT = TypeVar("_DataT", bound=WifiGuestAccessGet | bool)
 
 
-@dataclass(frozen=True)
-class DevoloSwitchRequiredKeysMixin(Generic[_DataT]):
-    """Mixin for required keys."""
+@dataclass(frozen=True, kw_only=True)
+class DevoloSwitchEntityDescription(SwitchEntityDescription, Generic[_DataT]):
+    """Describes devolo switch entity."""
 
     is_on_func: Callable[[_DataT], bool]
     turn_on_func: Callable[[Device], Awaitable[bool]]
     turn_off_func: Callable[[Device], Awaitable[bool]]
 
 
-@dataclass(frozen=True)
-class DevoloSwitchEntityDescription(
-    SwitchEntityDescription, DevoloSwitchRequiredKeysMixin[_DataT]
-):
-    """Describes devolo switch entity."""
-
-
 SWITCH_TYPES: dict[str, DevoloSwitchEntityDescription[Any]] = {
     SWITCH_GUEST_WIFI: DevoloSwitchEntityDescription[WifiGuestAccessGet](
         key=SWITCH_GUEST_WIFI,
diff --git a/homeassistant/components/devolo_home_network/update.py b/homeassistant/components/devolo_home_network/update.py
index 03f86381307..88c10b61cfc 100644
--- a/homeassistant/components/devolo_home_network/update.py
+++ b/homeassistant/components/devolo_home_network/update.py
@@ -26,21 +26,14 @@ from .const import DOMAIN, REGULAR_FIRMWARE
 from .entity import DevoloCoordinatorEntity
 
 
-@dataclass(frozen=True)
-class DevoloUpdateRequiredKeysMixin:
-    """Mixin for required keys."""
+@dataclass(frozen=True, kw_only=True)
+class DevoloUpdateEntityDescription(UpdateEntityDescription):
+    """Describes devolo update entity."""
 
     latest_version: Callable[[UpdateFirmwareCheck], str]
     update_func: Callable[[Device], Awaitable[bool]]
 
 
-@dataclass(frozen=True)
-class DevoloUpdateEntityDescription(
-    UpdateEntityDescription, DevoloUpdateRequiredKeysMixin
-):
-    """Describes devolo update entity."""
-
-
 UPDATE_TYPES: dict[str, DevoloUpdateEntityDescription] = {
     REGULAR_FIRMWARE: DevoloUpdateEntityDescription(
         key=REGULAR_FIRMWARE,