diff --git a/homeassistant/components/ibeacon/sensor.py b/homeassistant/components/ibeacon/sensor.py
index 8ec3ef9b67b..3b7ba3d5dbf 100644
--- a/homeassistant/components/ibeacon/sensor.py
+++ b/homeassistant/components/ibeacon/sensor.py
@@ -24,18 +24,13 @@ from .coordinator import IBeaconCoordinator
 from .entity import IBeaconEntity
 
 
-@dataclass(frozen=True)
-class IBeaconRequiredKeysMixin:
-    """Mixin for required keys."""
+@dataclass(frozen=True, kw_only=True)
+class IBeaconSensorEntityDescription(SensorEntityDescription):
+    """Describes iBeacon sensor entity."""
 
     value_fn: Callable[[iBeaconAdvertisement], str | int | None]
 
 
-@dataclass(frozen=True)
-class IBeaconSensorEntityDescription(SensorEntityDescription, IBeaconRequiredKeysMixin):
-    """Describes iBeacon sensor entity."""
-
-
 SENSOR_DESCRIPTIONS = (
     IBeaconSensorEntityDescription(
         key="rssi",