diff --git a/homeassistant/components/awair/sensor.py b/homeassistant/components/awair/sensor.py
index 03243e51b7c..45b40d70399 100644
--- a/homeassistant/components/awair/sensor.py
+++ b/homeassistant/components/awair/sensor.py
@@ -50,18 +50,13 @@ from .coordinator import AwairDataUpdateCoordinator, AwairResult
 DUST_ALIASES = [API_PM25, API_PM10]
 
 
-@dataclass(frozen=True)
-class AwairRequiredKeysMixin:
-    """Mixin for required keys."""
+@dataclass(frozen=True, kw_only=True)
+class AwairSensorEntityDescription(SensorEntityDescription):
+    """Describes Awair sensor entity."""
 
     unique_id_tag: str
 
 
-@dataclass(frozen=True)
-class AwairSensorEntityDescription(SensorEntityDescription, AwairRequiredKeysMixin):
-    """Describes Awair sensor entity."""
-
-
 SENSOR_TYPE_SCORE = AwairSensorEntityDescription(
     key=API_SCORE,
     native_unit_of_measurement=PERCENTAGE,