diff --git a/homeassistant/components/lutron_caseta/__init__.py b/homeassistant/components/lutron_caseta/__init__.py
index aaac06a6bd5..a3e384fd77b 100644
--- a/homeassistant/components/lutron_caseta/__init__.py
+++ b/homeassistant/components/lutron_caseta/__init__.py
@@ -81,9 +81,7 @@ class LutronCasetaDevice(Entity):
 
     async def async_added_to_hass(self):
         """Register callbacks."""
-        self._smartbridge.add_subscriber(
-            self.device_id, self.async_schedule_update_ha_state
-        )
+        self._smartbridge.add_subscriber(self.device_id, self.async_write_ha_state)
 
     @property
     def device_id(self):
@@ -108,7 +106,7 @@ class LutronCasetaDevice(Entity):
     @property
     def device_state_attributes(self):
         """Return the state attributes."""
-        attr = {"Device ID": self.device_id, "Zone ID": self._device["zone"]}
+        attr = {"device_id": self.device_id, "zone_id": self._device["zone"]}
         return attr
 
     @property
diff --git a/homeassistant/components/lutron_caseta/cover.py b/homeassistant/components/lutron_caseta/cover.py
index afd669153e0..60c723b7b42 100644
--- a/homeassistant/components/lutron_caseta/cover.py
+++ b/homeassistant/components/lutron_caseta/cover.py
@@ -17,14 +17,14 @@ _LOGGER = logging.getLogger(__name__)
 
 async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
     """Set up the Lutron Caseta shades as a cover device."""
-    devs = []
+    entities = []
     bridge = hass.data[LUTRON_CASETA_SMARTBRIDGE]
     cover_devices = bridge.get_devices_by_domain(DOMAIN)
     for cover_device in cover_devices:
-        dev = LutronCasetaCover(cover_device, bridge)
-        devs.append(dev)
+        entity = LutronCasetaCover(cover_device, bridge)
+        entities.append(entity)
 
-    async_add_entities(devs, True)
+    async_add_entities(entities, True)
 
 
 class LutronCasetaCover(LutronCasetaDevice, CoverDevice):
diff --git a/homeassistant/components/lutron_caseta/light.py b/homeassistant/components/lutron_caseta/light.py
index 53de8b66311..ba4342ecfce 100644
--- a/homeassistant/components/lutron_caseta/light.py
+++ b/homeassistant/components/lutron_caseta/light.py
@@ -25,14 +25,14 @@ def to_hass_level(level):
 
 async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
     """Set up the Lutron Caseta lights."""
-    devs = []
+    entities = []
     bridge = hass.data[LUTRON_CASETA_SMARTBRIDGE]
     light_devices = bridge.get_devices_by_domain(DOMAIN)
     for light_device in light_devices:
-        dev = LutronCasetaLight(light_device, bridge)
-        devs.append(dev)
+        entity = LutronCasetaLight(light_device, bridge)
+        entities.append(entity)
 
-    async_add_entities(devs, True)
+    async_add_entities(entities, True)
 
 
 class LutronCasetaLight(LutronCasetaDevice, Light):
diff --git a/homeassistant/components/lutron_caseta/scene.py b/homeassistant/components/lutron_caseta/scene.py
index abdbcaa03cd..593f58f5274 100644
--- a/homeassistant/components/lutron_caseta/scene.py
+++ b/homeassistant/components/lutron_caseta/scene.py
@@ -10,14 +10,14 @@ _LOGGER = logging.getLogger(__name__)
 
 async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
     """Set up the Lutron Caseta lights."""
-    devs = []
+    entities = []
     bridge = hass.data[LUTRON_CASETA_SMARTBRIDGE]
     scenes = bridge.get_scenes()
     for scene in scenes:
-        dev = LutronCasetaScene(scenes[scene], bridge)
-        devs.append(dev)
+        entity = LutronCasetaScene(scenes[scene], bridge)
+        entities.append(entity)
 
-    async_add_entities(devs, True)
+    async_add_entities(entities, True)
 
 
 class LutronCasetaScene(Scene):
diff --git a/homeassistant/components/lutron_caseta/switch.py b/homeassistant/components/lutron_caseta/switch.py
index f6eb846ecfb..23cd1db8f79 100644
--- a/homeassistant/components/lutron_caseta/switch.py
+++ b/homeassistant/components/lutron_caseta/switch.py
@@ -10,15 +10,15 @@ _LOGGER = logging.getLogger(__name__)
 
 async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
     """Set up Lutron switch."""
-    devs = []
+    entities = []
     bridge = hass.data[LUTRON_CASETA_SMARTBRIDGE]
     switch_devices = bridge.get_devices_by_domain(DOMAIN)
 
     for switch_device in switch_devices:
-        dev = LutronCasetaLight(switch_device, bridge)
-        devs.append(dev)
+        entity = LutronCasetaLight(switch_device, bridge)
+        entities.append(entity)
 
-    async_add_entities(devs, True)
+    async_add_entities(entities, True)
     return True