diff --git a/homeassistant/components/sensor/demo.py b/homeassistant/components/sensor/demo.py
index 333a0564dfb..09da6d54f56 100644
--- a/homeassistant/components/sensor/demo.py
+++ b/homeassistant/components/sensor/demo.py
@@ -13,7 +13,6 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
     add_devices([
         DemoSensor('Outside Temperature', 15.6, TEMP_CELCIUS, 12),
         DemoSensor('Outside Humidity', 54, '%', None),
-        DemoSensor('Alarm back', 'Armed', None, None),
     ])