diff --git a/homeassistant/components/media_player/sonos.py b/homeassistant/components/media_player/sonos.py
index da75b89c19d..c27ae16b926 100644
--- a/homeassistant/components/media_player/sonos.py
+++ b/homeassistant/components/media_player/sonos.py
@@ -163,9 +163,9 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
             elif service.service == SERVICE_RESTORE:
                 device.restore(service.data[ATTR_WITH_GROUP])
             elif service.service == SERVICE_SET_TIMER:
-                device.set_timer(service.data[ATTR_SLEEP_TIME])
+                device.set_sleep_timer(service.data[ATTR_SLEEP_TIME])
             elif service.service == SERVICE_CLEAR_TIMER:
-                device.clear_timer()
+                device.clear_sleep_timer()
 
             device.schedule_update_ha_state(True)
 
diff --git a/tests/components/media_player/test_sonos.py b/tests/components/media_player/test_sonos.py
index 0a111ef3b36..ebf92cb4d1a 100644
--- a/tests/components/media_player/test_sonos.py
+++ b/tests/components/media_player/test_sonos.py
@@ -48,10 +48,6 @@ class SoCoMock():
         self.is_visible = True
         self.avTransport = AvTransportMock()
 
-    def clear_sleep_timer(self):
-        """Clear the sleep timer."""
-        return
-
     def get_sonos_favorites(self):
         """Get favorites list from sonos."""
         return {'favorites': []}