diff --git a/homeassistant/components/vesync/sensor.py b/homeassistant/components/vesync/sensor.py
index 87a87f049c2..d594ec5cb82 100644
--- a/homeassistant/components/vesync/sensor.py
+++ b/homeassistant/components/vesync/sensor.py
@@ -36,19 +36,12 @@ from .const import DEV_TYPE_TO_HA, DOMAIN, SKU_TO_BASE_DEVICE, VS_DISCOVERY, VS_
 _LOGGER = logging.getLogger(__name__)
 
 
-@dataclass(frozen=True)
-class VeSyncSensorEntityDescriptionMixin:
-    """Mixin for required keys."""
+@dataclass(frozen=True, kw_only=True)
+class VeSyncSensorEntityDescription(SensorEntityDescription):
+    """Describe VeSync sensor entity."""
 
     value_fn: Callable[[VeSyncAirBypass | VeSyncOutlet | VeSyncSwitch], StateType]
 
-
-@dataclass(frozen=True)
-class VeSyncSensorEntityDescription(
-    SensorEntityDescription, VeSyncSensorEntityDescriptionMixin
-):
-    """Describe VeSync sensor entity."""
-
     exists_fn: Callable[[VeSyncAirBypass | VeSyncOutlet | VeSyncSwitch], bool] = (
         lambda _: True
     )