diff --git a/homeassistant/components/amcrest/__init__.py b/homeassistant/components/amcrest/__init__.py
index 3ee6e685eb5..78463e4a110 100644
--- a/homeassistant/components/amcrest/__init__.py
+++ b/homeassistant/components/amcrest/__init__.py
@@ -15,10 +15,6 @@ import voluptuous as vol
 
 from homeassistant.auth.models import User
 from homeassistant.auth.permissions.const import POLICY_CONTROL
-from homeassistant.components.binary_sensor import DOMAIN as BINARY_SENSOR
-from homeassistant.components.camera import DOMAIN as CAMERA
-from homeassistant.components.sensor import DOMAIN as SENSOR
-from homeassistant.components.switch import DOMAIN as SWITCH
 from homeassistant.const import (
     ATTR_ENTITY_ID,
     CONF_AUTHENTICATION,
@@ -34,6 +30,7 @@ from homeassistant.const import (
     ENTITY_MATCH_ALL,
     ENTITY_MATCH_NONE,
     HTTP_BASIC_AUTHENTICATION,
+    Platform,
 )
 from homeassistant.core import HomeAssistant, ServiceCall
 from homeassistant.exceptions import Unauthorized, UnknownUser
@@ -301,13 +298,15 @@ def setup(hass: HomeAssistant, config: ConfigType) -> bool:
             control_light,
         )
 
-        discovery.load_platform(hass, CAMERA, DOMAIN, {CONF_NAME: name}, config)
+        discovery.load_platform(
+            hass, Platform.CAMERA, DOMAIN, {CONF_NAME: name}, config
+        )
 
         event_codes = set()
         if binary_sensors:
             discovery.load_platform(
                 hass,
-                BINARY_SENSOR,
+                Platform.BINARY_SENSOR,
                 DOMAIN,
                 {CONF_NAME: name, CONF_BINARY_SENSORS: binary_sensors},
                 config,
@@ -324,12 +323,20 @@ def setup(hass: HomeAssistant, config: ConfigType) -> bool:
 
         if sensors:
             discovery.load_platform(
-                hass, SENSOR, DOMAIN, {CONF_NAME: name, CONF_SENSORS: sensors}, config
+                hass,
+                Platform.SENSOR,
+                DOMAIN,
+                {CONF_NAME: name, CONF_SENSORS: sensors},
+                config,
             )
 
         if switches:
             discovery.load_platform(
-                hass, SWITCH, DOMAIN, {CONF_NAME: name, CONF_SWITCHES: switches}, config
+                hass,
+                Platform.SWITCH,
+                DOMAIN,
+                {CONF_NAME: name, CONF_SWITCHES: switches},
+                config,
             )
 
     if not hass.data[DATA_AMCREST][DEVICES]: