diff --git a/homeassistant/components/tradfri/sensor.py b/homeassistant/components/tradfri/sensor.py
index ac433f89272..5d3e63d3a5d 100644
--- a/homeassistant/components/tradfri/sensor.py
+++ b/homeassistant/components/tradfri/sensor.py
@@ -38,21 +38,13 @@ from .const import (
 from .coordinator import TradfriDeviceDataUpdateCoordinator
 
 
-@dataclass(frozen=True)
-class TradfriSensorEntityDescriptionMixin:
-    """Mixin for required keys."""
+@dataclass(frozen=True, kw_only=True)
+class TradfriSensorEntityDescription(SensorEntityDescription):
+    """Class describing Tradfri sensor entities."""
 
     value: Callable[[Device], Any | None]
 
 
-@dataclass(frozen=True)
-class TradfriSensorEntityDescription(
-    SensorEntityDescription,
-    TradfriSensorEntityDescriptionMixin,
-):
-    """Class describing Tradfri sensor entities."""
-
-
 def _get_air_quality(device: Device) -> int | None:
     """Fetch the air quality value."""
     assert device.air_purifier_control is not None