diff --git a/homeassistant/components/trafikverket_camera/binary_sensor.py b/homeassistant/components/trafikverket_camera/binary_sensor.py
index d1c7c7fbc0b..56af099d54b 100644
--- a/homeassistant/components/trafikverket_camera/binary_sensor.py
+++ b/homeassistant/components/trafikverket_camera/binary_sensor.py
@@ -20,20 +20,13 @@ from .entity import TrafikverketCameraNonCameraEntity
 PARALLEL_UPDATES = 0
 
 
-@dataclass(frozen=True)
-class DeviceBaseEntityDescriptionMixin:
-    """Mixin for required Trafikverket Camera base description keys."""
+@dataclass(frozen=True, kw_only=True)
+class TVCameraSensorEntityDescription(BinarySensorEntityDescription):
+    """Describes Trafikverket Camera binary sensor entity."""
 
     value_fn: Callable[[CameraData], bool | None]
 
 
-@dataclass(frozen=True)
-class TVCameraSensorEntityDescription(
-    BinarySensorEntityDescription, DeviceBaseEntityDescriptionMixin
-):
-    """Describes Trafikverket Camera binary sensor entity."""
-
-
 BINARY_SENSOR_TYPE = TVCameraSensorEntityDescription(
     key="active",
     translation_key="active",
diff --git a/homeassistant/components/trafikverket_camera/sensor.py b/homeassistant/components/trafikverket_camera/sensor.py
index 4cdc809c338..f41eb1fa2a2 100644
--- a/homeassistant/components/trafikverket_camera/sensor.py
+++ b/homeassistant/components/trafikverket_camera/sensor.py
@@ -24,20 +24,13 @@ from .entity import TrafikverketCameraNonCameraEntity
 PARALLEL_UPDATES = 0
 
 
-@dataclass(frozen=True)
-class DeviceBaseEntityDescriptionMixin:
-    """Mixin for required Trafikverket Camera base description keys."""
+@dataclass(frozen=True, kw_only=True)
+class TVCameraSensorEntityDescription(SensorEntityDescription):
+    """Describes Trafikverket Camera sensor entity."""
 
     value_fn: Callable[[CameraData], StateType | datetime]
 
 
-@dataclass(frozen=True)
-class TVCameraSensorEntityDescription(
-    SensorEntityDescription, DeviceBaseEntityDescriptionMixin
-):
-    """Describes Trafikverket Camera sensor entity."""
-
-
 SENSOR_TYPES: tuple[TVCameraSensorEntityDescription, ...] = (
     TVCameraSensorEntityDescription(
         key="direction",