diff --git a/homeassistant/components/august/activity.py b/homeassistant/components/august/activity.py
index 402852013f8..402a2ccd610 100644
--- a/homeassistant/components/august/activity.py
+++ b/homeassistant/components/august/activity.py
@@ -31,7 +31,6 @@ class ActivityStream(AugustSubscriberMixin):
         self._house_ids = house_ids
         self._latest_activities = {}
         self._last_update_time = None
-        self._abort_async_track_time_interval = None
         self.pubnub = pubnub
         self._update_debounce = {}
 
diff --git a/homeassistant/components/august/subscriber.py b/homeassistant/components/august/subscriber.py
index 3a7edd8a342..5223b8b4a38 100644
--- a/homeassistant/components/august/subscriber.py
+++ b/homeassistant/components/august/subscriber.py
@@ -1,6 +1,7 @@
 """Base class for August entity."""
 
 
+from homeassistant.const import EVENT_HOMEASSISTANT_STOP
 from homeassistant.core import callback
 from homeassistant.helpers.event import async_track_time_interval
 
@@ -15,6 +16,7 @@ class AugustSubscriberMixin:
         self._update_interval = update_interval
         self._subscriptions = {}
         self._unsub_interval = None
+        self._stop_interval = None
 
     @callback
     def async_subscribe_device_id(self, device_id, update_callback):
@@ -23,9 +25,8 @@ class AugustSubscriberMixin:
         Returns a callable that can be used to unsubscribe.
         """
         if not self._subscriptions:
-            self._unsub_interval = async_track_time_interval(
-                self._hass, self._async_refresh, self._update_interval
-            )
+            self._async_setup_listeners()
+
         self._subscriptions.setdefault(device_id, []).append(update_callback)
 
         def _unsubscribe():
@@ -33,15 +34,37 @@ class AugustSubscriberMixin:
 
         return _unsubscribe
 
+    @callback
+    def _async_setup_listeners(self):
+        """Create interval and stop listeners."""
+        self._unsub_interval = async_track_time_interval(
+            self._hass, self._async_refresh, self._update_interval
+        )
+
+        @callback
+        def _async_cancel_update_interval(_):
+            self._stop_interval = None
+            self._unsub_interval()
+
+        self._stop_interval = self._hass.bus.async_listen(
+            EVENT_HOMEASSISTANT_STOP, _async_cancel_update_interval
+        )
+
     @callback
     def async_unsubscribe_device_id(self, device_id, update_callback):
         """Remove a callback subscriber."""
         self._subscriptions[device_id].remove(update_callback)
         if not self._subscriptions[device_id]:
             del self._subscriptions[device_id]
-        if not self._subscriptions:
-            self._unsub_interval()
-            self._unsub_interval = None
+
+        if self._subscriptions:
+            return
+
+        self._unsub_interval()
+        self._unsub_interval = None
+        if self._stop_interval:
+            self._stop_interval()
+            self._stop_interval = None
 
     @callback
     def async_signal_device_id_update(self, device_id):