diff --git a/homeassistant/components/chromecast.py b/homeassistant/components/chromecast.py
index 27b7b81196eb7f124644016713c0e3f236c28fad..1604e72f9507574b4506dca839c84d0e96c6e95c 100644
--- a/homeassistant/components/chromecast.py
+++ b/homeassistant/components/chromecast.py
@@ -15,7 +15,7 @@ DEPENDENCIES = []
 SERVICE_YOUTUBE_VIDEO = 'play_youtube_video'
 
 ENTITY_ID_FORMAT = DOMAIN + '.{}'
-STATE_NO_APP = 'no_app'
+STATE_NO_APP = 'idle'
 
 ATTR_STATE = 'state'
 ATTR_OPTIONS = 'options'
diff --git a/homeassistant/components/device_tracker.py b/homeassistant/components/device_tracker.py
index df2fbb99de61dd656ee9eb1587730684f23c4e94..83fa1f176fb0abf2f5e9121b23a952dc4c206800 100644
--- a/homeassistant/components/device_tracker.py
+++ b/homeassistant/components/device_tracker.py
@@ -25,7 +25,7 @@ DEPENDENCIES = []
 
 SERVICE_DEVICE_TRACKER_RELOAD = "reload_devices_csv"
 
-GROUP_NAME_ALL_DEVICES = 'all_tracked_devices'
+GROUP_NAME_ALL_DEVICES = 'all_devices'
 ENTITY_ID_ALL_DEVICES = group.ENTITY_ID_FORMAT.format(
     GROUP_NAME_ALL_DEVICES)