diff --git a/homeassistant/components/homekit_controller/cover.py b/homeassistant/components/homekit_controller/cover.py
index 4db1246b9..7a4fa486f 100644
--- a/homeassistant/components/homekit_controller/cover.py
+++ b/homeassistant/components/homekit_controller/cover.py
@@ -82,11 +82,6 @@ class HomeKitGarageDoorCover(HomeKitEntity, CoverDevice):
     def _update_obstruction_detected(self, value):
         self._obstruction_detected = value
 
-    @property
-    def available(self):
-        """Return True if entity is available."""
-        return self._state is not None
-
     @property
     def supported_features(self):
         """Flag supported features."""
@@ -146,11 +141,6 @@ class HomeKitWindowCover(HomeKitEntity, CoverDevice):
         self._obstruction_detected = None
         self.lock_state = None
 
-    @property
-    def available(self):
-        """Return True if entity is available."""
-        return self._state is not None
-
     def get_characteristic_types(self):
         """Define the homekit characteristics the entity cares about."""
         # pylint: disable=import-error
diff --git a/homeassistant/components/homekit_controller/lock.py b/homeassistant/components/homekit_controller/lock.py
index b084d7525..ac1bd8f88 100644
--- a/homeassistant/components/homekit_controller/lock.py
+++ b/homeassistant/components/homekit_controller/lock.py
@@ -64,11 +64,6 @@ class HomeKitLock(HomeKitEntity, LockDevice):
         """Return true if device is locked."""
         return self._state == STATE_LOCKED
 
-    @property
-    def available(self):
-        """Return True if entity is available."""
-        return self._state is not None
-
     async def async_lock(self, **kwargs):
         """Lock the device."""
         await self._set_lock_state(STATE_LOCKED)