diff --git a/homeassistant/components/aseko_pool_live/binary_sensor.py b/homeassistant/components/aseko_pool_live/binary_sensor.py
index e0b45ee6d4f..a84ac0799d4 100644
--- a/homeassistant/components/aseko_pool_live/binary_sensor.py
+++ b/homeassistant/components/aseko_pool_live/binary_sensor.py
@@ -20,20 +20,13 @@ from .coordinator import AsekoDataUpdateCoordinator
 from .entity import AsekoEntity
 
 
-@dataclass(frozen=True)
-class AsekoBinarySensorDescriptionMixin:
-    """Mixin for required keys."""
+@dataclass(frozen=True, kw_only=True)
+class AsekoBinarySensorEntityDescription(BinarySensorEntityDescription):
+    """Describes an Aseko binary sensor entity."""
 
     value_fn: Callable[[Unit], bool]
 
 
-@dataclass(frozen=True)
-class AsekoBinarySensorEntityDescription(
-    BinarySensorEntityDescription, AsekoBinarySensorDescriptionMixin
-):
-    """Describes an Aseko binary sensor entity."""
-
-
 UNIT_BINARY_SENSORS: tuple[AsekoBinarySensorEntityDescription, ...] = (
     AsekoBinarySensorEntityDescription(
         key="water_flow",