diff --git a/homeassistant/components/renson/binary_sensor.py b/homeassistant/components/renson/binary_sensor.py
index 90258a9ae4b..46f832ed15c 100644
--- a/homeassistant/components/renson/binary_sensor.py
+++ b/homeassistant/components/renson/binary_sensor.py
@@ -31,20 +31,13 @@ from .coordinator import RensonCoordinator
 from .entity import RensonEntity
 
 
-@dataclass(frozen=True)
-class RensonBinarySensorEntityDescriptionMixin:
-    """Mixin for required keys."""
+@dataclass(frozen=True, kw_only=True)
+class RensonBinarySensorEntityDescription(BinarySensorEntityDescription):
+    """Description of binary sensor."""
 
     field: FieldEnum
 
 
-@dataclass(frozen=True)
-class RensonBinarySensorEntityDescription(
-    BinarySensorEntityDescription, RensonBinarySensorEntityDescriptionMixin
-):
-    """Description of binary sensor."""
-
-
 BINARY_SENSORS: tuple[RensonBinarySensorEntityDescription, ...] = (
     RensonBinarySensorEntityDescription(
         translation_key="frost_protection_active",
diff --git a/homeassistant/components/renson/button.py b/homeassistant/components/renson/button.py
index c9a03a5bffb..02278a0d6f6 100644
--- a/homeassistant/components/renson/button.py
+++ b/homeassistant/components/renson/button.py
@@ -22,20 +22,13 @@ from .const import DOMAIN
 from .entity import RensonEntity
 
 
-@dataclass(frozen=True)
-class RensonButtonEntityDescriptionMixin:
-    """Action function called on press."""
+@dataclass(frozen=True, kw_only=True)
+class RensonButtonEntityDescription(ButtonEntityDescription):
+    """Class describing Renson button entity."""
 
     action_fn: Callable[[RensonVentilation], None]
 
 
-@dataclass(frozen=True)
-class RensonButtonEntityDescription(
-    ButtonEntityDescription, RensonButtonEntityDescriptionMixin
-):
-    """Class describing Renson button entity."""
-
-
 ENTITY_DESCRIPTIONS: tuple[RensonButtonEntityDescription, ...] = (
     RensonButtonEntityDescription(
         key="sync_time",
diff --git a/homeassistant/components/renson/sensor.py b/homeassistant/components/renson/sensor.py
index 78ece708c4c..1df62e12312 100644
--- a/homeassistant/components/renson/sensor.py
+++ b/homeassistant/components/renson/sensor.py
@@ -51,21 +51,14 @@ from .coordinator import RensonCoordinator
 from .entity import RensonEntity
 
 
-@dataclass(frozen=True)
-class RensonSensorEntityDescriptionMixin:
-    """Mixin for required keys."""
+@dataclass(frozen=True, kw_only=True)
+class RensonSensorEntityDescription(SensorEntityDescription):
+    """Description of a Renson sensor."""
 
     field: FieldEnum
     raw_format: bool
 
 
-@dataclass(frozen=True)
-class RensonSensorEntityDescription(
-    SensorEntityDescription, RensonSensorEntityDescriptionMixin
-):
-    """Description of a Renson sensor."""
-
-
 SENSORS: tuple[RensonSensorEntityDescription, ...] = (
     RensonSensorEntityDescription(
         key="CO2_QUALITY_FIELD",