diff --git a/homeassistant/components/binary_sensor/demo.py b/homeassistant/components/binary_sensor/demo.py
index 22eeaa7b8a5..a24b893c610 100644
--- a/homeassistant/components/binary_sensor/demo.py
+++ b/homeassistant/components/binary_sensor/demo.py
@@ -41,4 +41,3 @@ class DemoBinarySensor(BinarySensorDevice):
     def is_on(self):
         """ True if the binary sensor is on. """
         return self._state
-