diff --git a/homeassistant/components/daikin/sensor.py b/homeassistant/components/daikin/sensor.py
index b890ad823f7..8076cd52b56 100644
--- a/homeassistant/components/daikin/sensor.py
+++ b/homeassistant/components/daikin/sensor.py
@@ -39,18 +39,13 @@ from .const import (
 )
 
 
-@dataclass(frozen=True)
-class DaikinRequiredKeysMixin:
-    """Mixin for required keys."""
+@dataclass(frozen=True, kw_only=True)
+class DaikinSensorEntityDescription(SensorEntityDescription):
+    """Describes Daikin sensor entity."""
 
     value_func: Callable[[Appliance], float | None]
 
 
-@dataclass(frozen=True)
-class DaikinSensorEntityDescription(SensorEntityDescription, DaikinRequiredKeysMixin):
-    """Describes Daikin sensor entity."""
-
-
 SENSOR_TYPES: tuple[DaikinSensorEntityDescription, ...] = (
     DaikinSensorEntityDescription(
         key=ATTR_INSIDE_TEMPERATURE,