diff --git a/homeassistant/components/wemo/__init__.py b/homeassistant/components/wemo/__init__.py
index 24cf7d66a0a..8d75b9bddae 100644
--- a/homeassistant/components/wemo/__init__.py
+++ b/homeassistant/components/wemo/__init__.py
@@ -9,13 +9,8 @@ import pywemo
 import voluptuous as vol
 
 from homeassistant import config_entries
-from homeassistant.components.binary_sensor import DOMAIN as BINARY_SENSOR_DOMAIN
-from homeassistant.components.fan import DOMAIN as FAN_DOMAIN
-from homeassistant.components.light import DOMAIN as LIGHT_DOMAIN
-from homeassistant.components.sensor import DOMAIN as SENSOR_DOMAIN
-from homeassistant.components.switch import DOMAIN as SWITCH_DOMAIN
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import CONF_DISCOVERY, EVENT_HOMEASSISTANT_STOP
+from homeassistant.const import CONF_DISCOVERY, EVENT_HOMEASSISTANT_STOP, Platform
 from homeassistant.core import CALLBACK_TYPE, Event, HomeAssistant, callback
 from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.dispatcher import async_dispatcher_send
@@ -32,17 +27,17 @@ MAX_CONCURRENCY = 3
 
 # Mapping from Wemo model_name to domain.
 WEMO_MODEL_DISPATCH = {
-    "Bridge": [LIGHT_DOMAIN],
-    "CoffeeMaker": [SWITCH_DOMAIN],
-    "Dimmer": [LIGHT_DOMAIN],
-    "Humidifier": [FAN_DOMAIN],
-    "Insight": [BINARY_SENSOR_DOMAIN, SENSOR_DOMAIN, SWITCH_DOMAIN],
-    "LightSwitch": [SWITCH_DOMAIN],
-    "Maker": [BINARY_SENSOR_DOMAIN, SWITCH_DOMAIN],
-    "Motion": [BINARY_SENSOR_DOMAIN],
-    "OutdoorPlug": [SWITCH_DOMAIN],
-    "Sensor": [BINARY_SENSOR_DOMAIN],
-    "Socket": [SWITCH_DOMAIN],
+    "Bridge": [Platform.LIGHT],
+    "CoffeeMaker": [Platform.SWITCH],
+    "Dimmer": [Platform.LIGHT],
+    "Humidifier": [Platform.FAN],
+    "Insight": [Platform.BINARY_SENSOR, Platform.SENSOR, Platform.SWITCH],
+    "LightSwitch": [Platform.SWITCH],
+    "Maker": [Platform.BINARY_SENSOR, Platform.SWITCH],
+    "Motion": [Platform.BINARY_SENSOR],
+    "OutdoorPlug": [Platform.SWITCH],
+    "Sensor": [Platform.BINARY_SENSOR],
+    "Socket": [Platform.SWITCH],
 }
 
 _LOGGER = logging.getLogger(__name__)
@@ -155,7 +150,7 @@ class WemoDispatcher:
             return
 
         coordinator = await async_register_device(hass, self._config_entry, wemo)
-        for component in WEMO_MODEL_DISPATCH.get(wemo.model_name, [SWITCH_DOMAIN]):
+        for component in WEMO_MODEL_DISPATCH.get(wemo.model_name, [Platform.SWITCH]):
             # Three cases:
             # - First time we see component, we need to load it and initialize the backlog
             # - Component is being loaded, add to backlog
diff --git a/tests/components/wemo/test_fan.py b/tests/components/wemo/test_fan.py
index dc450311e6a..a00d5523678 100644
--- a/tests/components/wemo/test_fan.py
+++ b/tests/components/wemo/test_fan.py
@@ -3,14 +3,13 @@
 import pytest
 from pywemo.exceptions import ActionException
 
-from homeassistant.components.fan import DOMAIN as FAN_DOMAIN
 from homeassistant.components.homeassistant import (
     DOMAIN as HA_DOMAIN,
     SERVICE_UPDATE_ENTITY,
 )
 from homeassistant.components.wemo import fan
 from homeassistant.components.wemo.const import DOMAIN
-from homeassistant.const import ATTR_ENTITY_ID, STATE_OFF, STATE_ON
+from homeassistant.const import ATTR_ENTITY_ID, STATE_OFF, STATE_ON, Platform
 from homeassistant.setup import async_setup_component
 
 from . import entity_test_helpers
@@ -85,7 +84,7 @@ async def test_available_after_update(
     pywemo_device.set_state.side_effect = ActionException
     pywemo_device.get_state.return_value = 1
     await entity_test_helpers.test_avaliable_after_update(
-        hass, pywemo_registry, pywemo_device, wemo_entity, FAN_DOMAIN
+        hass, pywemo_registry, pywemo_device, wemo_entity, Platform.FAN
     )
 
 
diff --git a/tests/components/wemo/test_light_bridge.py b/tests/components/wemo/test_light_bridge.py
index 9f622a22c1d..1d316d93c8f 100644
--- a/tests/components/wemo/test_light_bridge.py
+++ b/tests/components/wemo/test_light_bridge.py
@@ -8,8 +8,8 @@ from homeassistant.components.homeassistant import (
     DOMAIN as HA_DOMAIN,
     SERVICE_UPDATE_ENTITY,
 )
-from homeassistant.components.light import ATTR_COLOR_TEMP, DOMAIN as LIGHT_DOMAIN
-from homeassistant.const import ATTR_ENTITY_ID, STATE_OFF, STATE_ON
+from homeassistant.components.light import ATTR_COLOR_TEMP
+from homeassistant.const import ATTR_ENTITY_ID, STATE_OFF, STATE_ON, Platform
 from homeassistant.setup import async_setup_component
 
 from . import entity_test_helpers
@@ -76,7 +76,7 @@ async def test_available_after_update(
     pywemo_bridge_light.turn_on.side_effect = pywemo.exceptions.ActionException
     pywemo_bridge_light.state["onoff"] = 1
     await entity_test_helpers.test_avaliable_after_update(
-        hass, pywemo_registry, pywemo_device, wemo_entity, LIGHT_DOMAIN
+        hass, pywemo_registry, pywemo_device, wemo_entity, Platform.LIGHT
     )
 
 
diff --git a/tests/components/wemo/test_light_dimmer.py b/tests/components/wemo/test_light_dimmer.py
index 830eb6dbdf4..0460994aa86 100644
--- a/tests/components/wemo/test_light_dimmer.py
+++ b/tests/components/wemo/test_light_dimmer.py
@@ -7,8 +7,7 @@ from homeassistant.components.homeassistant import (
     DOMAIN as HA_DOMAIN,
     SERVICE_UPDATE_ENTITY,
 )
-from homeassistant.components.light import DOMAIN as LIGHT_DOMAIN
-from homeassistant.const import ATTR_ENTITY_ID, STATE_OFF, STATE_ON
+from homeassistant.const import ATTR_ENTITY_ID, STATE_OFF, STATE_ON, Platform
 from homeassistant.setup import async_setup_component
 
 from . import entity_test_helpers
@@ -41,7 +40,7 @@ async def test_available_after_update(
     pywemo_device.on.side_effect = ActionException
     pywemo_device.get_state.return_value = 1
     await entity_test_helpers.test_avaliable_after_update(
-        hass, pywemo_registry, pywemo_device, wemo_entity, LIGHT_DOMAIN
+        hass, pywemo_registry, pywemo_device, wemo_entity, Platform.LIGHT
     )
 
 
diff --git a/tests/components/wemo/test_switch.py b/tests/components/wemo/test_switch.py
index 1023498c792..963c662b124 100644
--- a/tests/components/wemo/test_switch.py
+++ b/tests/components/wemo/test_switch.py
@@ -7,8 +7,7 @@ from homeassistant.components.homeassistant import (
     DOMAIN as HA_DOMAIN,
     SERVICE_UPDATE_ENTITY,
 )
-from homeassistant.components.switch import DOMAIN as SWITCH_DOMAIN
-from homeassistant.const import ATTR_ENTITY_ID, STATE_OFF, STATE_ON
+from homeassistant.const import ATTR_ENTITY_ID, STATE_OFF, STATE_ON, Platform
 from homeassistant.setup import async_setup_component
 
 from . import entity_test_helpers
@@ -83,5 +82,5 @@ async def test_available_after_update(
     pywemo_device.on.side_effect = ActionException
     pywemo_device.get_state.return_value = 1
     await entity_test_helpers.test_avaliable_after_update(
-        hass, pywemo_registry, pywemo_device, wemo_entity, SWITCH_DOMAIN
+        hass, pywemo_registry, pywemo_device, wemo_entity, Platform.SWITCH
     )