diff --git a/homeassistant/components/abode/alarm_control_panel.py b/homeassistant/components/abode/alarm_control_panel.py
index ca7f64ce28d..c09a8ebd811 100644
--- a/homeassistant/components/abode/alarm_control_panel.py
+++ b/homeassistant/components/abode/alarm_control_panel.py
@@ -4,10 +4,7 @@ from __future__ import annotations
 from abodepy.devices.alarm import AbodeAlarm as AbodeAl
 
 import homeassistant.components.alarm_control_panel as alarm
-from homeassistant.components.alarm_control_panel.const import (
-    SUPPORT_ALARM_ARM_AWAY,
-    SUPPORT_ALARM_ARM_HOME,
-)
+from homeassistant.components.alarm_control_panel import AlarmControlPanelEntityFeature
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     STATE_ALARM_ARMED_AWAY,
@@ -38,7 +35,10 @@ class AbodeAlarm(AbodeDevice, alarm.AlarmControlPanelEntity):
 
     _attr_icon = ICON
     _attr_code_arm_required = False
-    _attr_supported_features = SUPPORT_ALARM_ARM_HOME | SUPPORT_ALARM_ARM_AWAY
+    _attr_supported_features = (
+        AlarmControlPanelEntityFeature.ARM_HOME
+        | AlarmControlPanelEntityFeature.ARM_AWAY
+    )
     _device: AbodeAl
 
     @property
diff --git a/homeassistant/components/acmeda/cover.py b/homeassistant/components/acmeda/cover.py
index 8c934e51771..2fbd2de6c42 100644
--- a/homeassistant/components/acmeda/cover.py
+++ b/homeassistant/components/acmeda/cover.py
@@ -3,15 +3,8 @@ from __future__ import annotations
 
 from homeassistant.components.cover import (
     ATTR_POSITION,
-    SUPPORT_CLOSE,
-    SUPPORT_CLOSE_TILT,
-    SUPPORT_OPEN,
-    SUPPORT_OPEN_TILT,
-    SUPPORT_SET_POSITION,
-    SUPPORT_SET_TILT_POSITION,
-    SUPPORT_STOP,
-    SUPPORT_STOP_TILT,
     CoverEntity,
+    CoverEntityFeature,
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant, callback
@@ -79,14 +72,17 @@ class AcmedaCover(AcmedaBase, CoverEntity):
         supported_features = 0
         if self.current_cover_position is not None:
             supported_features |= (
-                SUPPORT_OPEN | SUPPORT_CLOSE | SUPPORT_STOP | SUPPORT_SET_POSITION
+                CoverEntityFeature.OPEN
+                | CoverEntityFeature.CLOSE
+                | CoverEntityFeature.STOP
+                | CoverEntityFeature.SET_POSITION
             )
         if self.current_cover_tilt_position is not None:
             supported_features |= (
-                SUPPORT_OPEN_TILT
-                | SUPPORT_CLOSE_TILT
-                | SUPPORT_STOP_TILT
-                | SUPPORT_SET_TILT_POSITION
+                CoverEntityFeature.OPEN_TILT
+                | CoverEntityFeature.CLOSE_TILT
+                | CoverEntityFeature.STOP_TILT
+                | CoverEntityFeature.SET_TILT_POSITION
             )
 
         return supported_features
diff --git a/homeassistant/components/ads/cover.py b/homeassistant/components/ads/cover.py
index 187758aa8b1..c1f057b588e 100644
--- a/homeassistant/components/ads/cover.py
+++ b/homeassistant/components/ads/cover.py
@@ -8,11 +8,8 @@ from homeassistant.components.cover import (
     ATTR_POSITION,
     DEVICE_CLASSES_SCHEMA,
     PLATFORM_SCHEMA,
-    SUPPORT_CLOSE,
-    SUPPORT_OPEN,
-    SUPPORT_SET_POSITION,
-    SUPPORT_STOP,
     CoverEntity,
+    CoverEntityFeature,
 )
 from homeassistant.const import CONF_DEVICE_CLASS, CONF_NAME
 from homeassistant.core import HomeAssistant
@@ -117,11 +114,13 @@ class AdsCover(AdsEntity, CoverEntity):
         self._ads_var_close = ads_var_close
         self._ads_var_stop = ads_var_stop
         self._attr_device_class = device_class
-        self._attr_supported_features = SUPPORT_OPEN | SUPPORT_CLOSE
+        self._attr_supported_features = (
+            CoverEntityFeature.OPEN | CoverEntityFeature.CLOSE
+        )
         if ads_var_stop is not None:
-            self._attr_supported_features |= SUPPORT_STOP
+            self._attr_supported_features |= CoverEntityFeature.STOP
         if ads_var_pos_set is not None:
-            self._attr_supported_features |= SUPPORT_SET_POSITION
+            self._attr_supported_features |= CoverEntityFeature.SET_POSITION
 
     async def async_added_to_hass(self):
         """Register device notification."""
diff --git a/homeassistant/components/advantage_air/climate.py b/homeassistant/components/advantage_air/climate.py
index ea31ae71942..16dc531beab 100644
--- a/homeassistant/components/advantage_air/climate.py
+++ b/homeassistant/components/advantage_air/climate.py
@@ -3,7 +3,7 @@ from __future__ import annotations
 
 import logging
 
-from homeassistant.components.climate import ClimateEntity
+from homeassistant.components.climate import ClimateEntity, ClimateEntityFeature
 from homeassistant.components.climate.const import (
     FAN_AUTO,
     FAN_HIGH,
@@ -16,8 +16,6 @@ from homeassistant.components.climate.const import (
     HVAC_MODE_HEAT,
     HVAC_MODE_HEAT_COOL,
     HVAC_MODE_OFF,
-    SUPPORT_FAN_MODE,
-    SUPPORT_TARGET_TEMPERATURE,
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import ATTR_TEMPERATURE, PRECISION_WHOLE, TEMP_CELSIUS
@@ -108,7 +106,9 @@ class AdvantageAirAC(AdvantageAirClimateEntity):
 
     _attr_fan_modes = [FAN_AUTO, FAN_LOW, FAN_MEDIUM, FAN_HIGH]
     _attr_hvac_modes = AC_HVAC_MODES
-    _attr_supported_features = SUPPORT_TARGET_TEMPERATURE | SUPPORT_FAN_MODE
+    _attr_supported_features = (
+        ClimateEntityFeature.TARGET_TEMPERATURE | ClimateEntityFeature.FAN_MODE
+    )
 
     def __init__(self, instance, ac_key):
         """Initialize an AdvantageAir AC unit."""
@@ -169,7 +169,7 @@ class AdvantageAirZone(AdvantageAirClimateEntity):
     """AdvantageAir Zone control."""
 
     _attr_hvac_modes = ZONE_HVAC_MODES
-    _attr_supported_features = SUPPORT_TARGET_TEMPERATURE
+    _attr_supported_features = ClimateEntityFeature.TARGET_TEMPERATURE
 
     def __init__(self, instance, ac_key, zone_key):
         """Initialize an AdvantageAir Zone control."""
diff --git a/homeassistant/components/advantage_air/cover.py b/homeassistant/components/advantage_air/cover.py
index a54d6d8b535..847ca41c42c 100644
--- a/homeassistant/components/advantage_air/cover.py
+++ b/homeassistant/components/advantage_air/cover.py
@@ -1,11 +1,9 @@
 """Cover platform for Advantage Air integration."""
 from homeassistant.components.cover import (
     ATTR_POSITION,
-    SUPPORT_CLOSE,
-    SUPPORT_OPEN,
-    SUPPORT_SET_POSITION,
     CoverDeviceClass,
     CoverEntity,
+    CoverEntityFeature,
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
@@ -43,7 +41,11 @@ class AdvantageAirZoneVent(AdvantageAirEntity, CoverEntity):
     """Advantage Air Cover Class."""
 
     _attr_device_class = CoverDeviceClass.DAMPER
-    _attr_supported_features = SUPPORT_OPEN | SUPPORT_CLOSE | SUPPORT_SET_POSITION
+    _attr_supported_features = (
+        CoverEntityFeature.OPEN
+        | CoverEntityFeature.CLOSE
+        | CoverEntityFeature.SET_POSITION
+    )
 
     def __init__(self, instance, ac_key, zone_key):
         """Initialize an Advantage Air Cover Class."""
diff --git a/homeassistant/components/agent_dvr/alarm_control_panel.py b/homeassistant/components/agent_dvr/alarm_control_panel.py
index 572f80a138f..3e264a1985d 100644
--- a/homeassistant/components/agent_dvr/alarm_control_panel.py
+++ b/homeassistant/components/agent_dvr/alarm_control_panel.py
@@ -1,9 +1,7 @@
 """Support for Agent DVR Alarm Control Panels."""
-from homeassistant.components.alarm_control_panel import AlarmControlPanelEntity
-from homeassistant.components.alarm_control_panel.const import (
-    SUPPORT_ALARM_ARM_AWAY,
-    SUPPORT_ALARM_ARM_HOME,
-    SUPPORT_ALARM_ARM_NIGHT,
+from homeassistant.components.alarm_control_panel import (
+    AlarmControlPanelEntity,
+    AlarmControlPanelEntityFeature,
 )
 from homeassistant.const import (
     STATE_ALARM_ARMED_AWAY,
@@ -38,7 +36,9 @@ class AgentBaseStation(AlarmControlPanelEntity):
 
     _attr_icon = ICON
     _attr_supported_features = (
-        SUPPORT_ALARM_ARM_HOME | SUPPORT_ALARM_ARM_AWAY | SUPPORT_ALARM_ARM_NIGHT
+        AlarmControlPanelEntityFeature.ARM_HOME
+        | AlarmControlPanelEntityFeature.ARM_AWAY
+        | AlarmControlPanelEntityFeature.ARM_NIGHT
     )
 
     def __init__(self, client):
diff --git a/homeassistant/components/agent_dvr/camera.py b/homeassistant/components/agent_dvr/camera.py
index e82bbeaea1b..49ca342ca09 100644
--- a/homeassistant/components/agent_dvr/camera.py
+++ b/homeassistant/components/agent_dvr/camera.py
@@ -4,7 +4,7 @@ import logging
 
 from agent import AgentError
 
-from homeassistant.components.camera import SUPPORT_ON_OFF
+from homeassistant.components.camera import CameraEntityFeature
 from homeassistant.components.mjpeg import MjpegCamera, filter_urllib3_logging
 from homeassistant.const import ATTR_ATTRIBUTION
 from homeassistant.helpers import entity_platform
@@ -63,6 +63,8 @@ async def async_setup_entry(
 class AgentCamera(MjpegCamera):
     """Representation of an Agent Device Stream."""
 
+    _attr_supported_features = CameraEntityFeature.ON_OFF
+
     def __init__(self, device):
         """Initialize as a subclass of MjpegCamera."""
         self.device = device
@@ -134,11 +136,6 @@ class AgentCamera(MjpegCamera):
         """Return True if entity is connected."""
         return self.device.connected
 
-    @property
-    def supported_features(self) -> int:
-        """Return supported features."""
-        return SUPPORT_ON_OFF
-
     @property
     def is_on(self) -> bool:
         """Return true if on."""
diff --git a/homeassistant/components/airtouch4/climate.py b/homeassistant/components/airtouch4/climate.py
index e14130d3b31..29c98e06db3 100644
--- a/homeassistant/components/airtouch4/climate.py
+++ b/homeassistant/components/airtouch4/climate.py
@@ -3,7 +3,7 @@ from __future__ import annotations
 
 import logging
 
-from homeassistant.components.climate import ClimateEntity
+from homeassistant.components.climate import ClimateEntity, ClimateEntityFeature
 from homeassistant.components.climate.const import (
     FAN_AUTO,
     FAN_DIFFUSE,
@@ -17,8 +17,6 @@ from homeassistant.components.climate.const import (
     HVAC_MODE_FAN_ONLY,
     HVAC_MODE_HEAT,
     HVAC_MODE_OFF,
-    SUPPORT_FAN_MODE,
-    SUPPORT_TARGET_TEMPERATURE,
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import ATTR_TEMPERATURE, TEMP_CELSIUS
@@ -29,7 +27,6 @@ from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
 from .const import DOMAIN
 
-SUPPORT_FLAGS = SUPPORT_TARGET_TEMPERATURE | SUPPORT_FAN_MODE
 AT_TO_HA_STATE = {
     "Heat": HVAC_MODE_HEAT,
     "Cool": HVAC_MODE_COOL,
@@ -90,7 +87,9 @@ async def async_setup_entry(
 class AirtouchAC(CoordinatorEntity, ClimateEntity):
     """Representation of an AirTouch 4 ac."""
 
-    _attr_supported_features = SUPPORT_TARGET_TEMPERATURE | SUPPORT_FAN_MODE
+    _attr_supported_features = (
+        ClimateEntityFeature.TARGET_TEMPERATURE | ClimateEntityFeature.FAN_MODE
+    )
     _attr_temperature_unit = TEMP_CELSIUS
 
     def __init__(self, coordinator, ac_number, info):
@@ -204,7 +203,7 @@ class AirtouchAC(CoordinatorEntity, ClimateEntity):
 class AirtouchGroup(CoordinatorEntity, ClimateEntity):
     """Representation of an AirTouch 4 group."""
 
-    _attr_supported_features = SUPPORT_TARGET_TEMPERATURE
+    _attr_supported_features = ClimateEntityFeature.TARGET_TEMPERATURE
     _attr_temperature_unit = TEMP_CELSIUS
     _attr_hvac_modes = AT_GROUP_MODES
 
diff --git a/homeassistant/components/alarmdecoder/alarm_control_panel.py b/homeassistant/components/alarmdecoder/alarm_control_panel.py
index b16490357d1..f75a4726b88 100644
--- a/homeassistant/components/alarmdecoder/alarm_control_panel.py
+++ b/homeassistant/components/alarmdecoder/alarm_control_panel.py
@@ -4,11 +4,7 @@ import voluptuous as vol
 from homeassistant.components.alarm_control_panel import (
     FORMAT_NUMBER,
     AlarmControlPanelEntity,
-)
-from homeassistant.components.alarm_control_panel.const import (
-    SUPPORT_ALARM_ARM_AWAY,
-    SUPPORT_ALARM_ARM_HOME,
-    SUPPORT_ALARM_ARM_NIGHT,
+    AlarmControlPanelEntityFeature,
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
@@ -83,7 +79,9 @@ class AlarmDecoderAlarmPanel(AlarmControlPanelEntity):
     _attr_should_poll = False
     _attr_code_format = FORMAT_NUMBER
     _attr_supported_features = (
-        SUPPORT_ALARM_ARM_HOME | SUPPORT_ALARM_ARM_AWAY | SUPPORT_ALARM_ARM_NIGHT
+        AlarmControlPanelEntityFeature.ARM_HOME
+        | AlarmControlPanelEntityFeature.ARM_AWAY
+        | AlarmControlPanelEntityFeature.ARM_NIGHT
     )
 
     def __init__(self, client, auto_bypass, code_arm_required, alt_night_mode):
diff --git a/homeassistant/components/ambiclimate/climate.py b/homeassistant/components/ambiclimate/climate.py
index c419aa0560c..e461196ed97 100644
--- a/homeassistant/components/ambiclimate/climate.py
+++ b/homeassistant/components/ambiclimate/climate.py
@@ -8,12 +8,8 @@ from typing import Any
 import ambiclimate
 import voluptuous as vol
 
-from homeassistant.components.climate import ClimateEntity
-from homeassistant.components.climate.const import (
-    HVAC_MODE_HEAT,
-    HVAC_MODE_OFF,
-    SUPPORT_TARGET_TEMPERATURE,
-)
+from homeassistant.components.climate import ClimateEntity, ClimateEntityFeature
+from homeassistant.components.climate.const import HVAC_MODE_HEAT, HVAC_MODE_OFF
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     ATTR_NAME,
@@ -41,8 +37,6 @@ from .const import (
 
 _LOGGER = logging.getLogger(__name__)
 
-SUPPORT_FLAGS = SUPPORT_TARGET_TEMPERATURE
-
 SEND_COMFORT_FEEDBACK_SCHEMA = vol.Schema(
     {vol.Required(ATTR_NAME): cv.string, vol.Required(ATTR_VALUE): cv.string}
 )
@@ -154,7 +148,7 @@ class AmbiclimateEntity(ClimateEntity):
 
     _attr_temperature_unit = TEMP_CELSIUS
     _attr_target_temperature_step = 1
-    _attr_supported_features = SUPPORT_FLAGS
+    _attr_supported_features = ClimateEntityFeature.TARGET_TEMPERATURE
     _attr_hvac_modes = [HVAC_MODE_HEAT, HVAC_MODE_OFF]
 
     def __init__(self, heater, store):
diff --git a/homeassistant/components/amcrest/camera.py b/homeassistant/components/amcrest/camera.py
index 61b97b041cd..c3d1e0d28d6 100644
--- a/homeassistant/components/amcrest/camera.py
+++ b/homeassistant/components/amcrest/camera.py
@@ -12,7 +12,7 @@ from amcrest import AmcrestError
 from haffmpeg.camera import CameraMjpeg
 import voluptuous as vol
 
-from homeassistant.components.camera import SUPPORT_ON_OFF, SUPPORT_STREAM, Camera
+from homeassistant.components.camera import Camera, CameraEntityFeature
 from homeassistant.components.camera.const import DOMAIN as CAMERA_DOMAIN
 from homeassistant.components.ffmpeg import FFmpegManager, get_ffmpeg_manager
 from homeassistant.const import ATTR_ENTITY_ID, CONF_NAME, STATE_OFF, STATE_ON
@@ -164,6 +164,8 @@ class AmcrestCommandFailed(Exception):
 class AmcrestCam(Camera):
     """An implementation of an Amcrest IP camera."""
 
+    _attr_supported_features = CameraEntityFeature.ON_OFF | CameraEntityFeature.STREAM
+
     def __init__(self, name: str, device: AmcrestDevice, ffmpeg: FFmpegManager) -> None:
         """Initialize an Amcrest camera."""
         super().__init__()
@@ -311,11 +313,6 @@ class AmcrestCam(Camera):
         """Return True if entity is available."""
         return self._api.available
 
-    @property
-    def supported_features(self) -> int:
-        """Return supported features."""
-        return SUPPORT_ON_OFF | SUPPORT_STREAM
-
     # Camera property overrides
 
     @property
diff --git a/homeassistant/components/androidtv/media_player.py b/homeassistant/components/androidtv/media_player.py
index db09dc8ec66..b532845ea9d 100644
--- a/homeassistant/components/androidtv/media_player.py
+++ b/homeassistant/components/androidtv/media_player.py
@@ -17,19 +17,9 @@ from androidtv.exceptions import LockNotAcquiredException
 import voluptuous as vol
 
 from homeassistant.components import persistent_notification
-from homeassistant.components.media_player import MediaPlayerEntity
-from homeassistant.components.media_player.const import (
-    SUPPORT_NEXT_TRACK,
-    SUPPORT_PAUSE,
-    SUPPORT_PLAY,
-    SUPPORT_PREVIOUS_TRACK,
-    SUPPORT_SELECT_SOURCE,
-    SUPPORT_STOP,
-    SUPPORT_TURN_OFF,
-    SUPPORT_TURN_ON,
-    SUPPORT_VOLUME_MUTE,
-    SUPPORT_VOLUME_SET,
-    SUPPORT_VOLUME_STEP,
+from homeassistant.components.media_player import (
+    MediaPlayerEntity,
+    MediaPlayerEntityFeature,
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
@@ -73,31 +63,6 @@ from .const import (
 
 _LOGGER = logging.getLogger(__name__)
 
-SUPPORT_ANDROIDTV = (
-    SUPPORT_PAUSE
-    | SUPPORT_PLAY
-    | SUPPORT_TURN_ON
-    | SUPPORT_TURN_OFF
-    | SUPPORT_PREVIOUS_TRACK
-    | SUPPORT_NEXT_TRACK
-    | SUPPORT_SELECT_SOURCE
-    | SUPPORT_STOP
-    | SUPPORT_VOLUME_MUTE
-    | SUPPORT_VOLUME_SET
-    | SUPPORT_VOLUME_STEP
-)
-
-SUPPORT_FIRETV = (
-    SUPPORT_PAUSE
-    | SUPPORT_PLAY
-    | SUPPORT_TURN_ON
-    | SUPPORT_TURN_OFF
-    | SUPPORT_PREVIOUS_TRACK
-    | SUPPORT_NEXT_TRACK
-    | SUPPORT_SELECT_SOURCE
-    | SUPPORT_STOP
-)
-
 ATTR_ADB_RESPONSE = "adb_response"
 ATTR_DEVICE_PATH = "device_path"
 ATTR_HDMI_INPUT = "hdmi_input"
@@ -467,7 +432,19 @@ class ADBDevice(MediaPlayerEntity):
 class AndroidTVDevice(ADBDevice):
     """Representation of an Android TV device."""
 
-    _attr_supported_features = SUPPORT_ANDROIDTV
+    _attr_supported_features = (
+        MediaPlayerEntityFeature.PAUSE
+        | MediaPlayerEntityFeature.PLAY
+        | MediaPlayerEntityFeature.TURN_ON
+        | MediaPlayerEntityFeature.TURN_OFF
+        | MediaPlayerEntityFeature.PREVIOUS_TRACK
+        | MediaPlayerEntityFeature.NEXT_TRACK
+        | MediaPlayerEntityFeature.SELECT_SOURCE
+        | MediaPlayerEntityFeature.STOP
+        | MediaPlayerEntityFeature.VOLUME_MUTE
+        | MediaPlayerEntityFeature.VOLUME_SET
+        | MediaPlayerEntityFeature.VOLUME_STEP
+    )
 
     @adb_decorator(override_available=True)
     async def async_update(self):
@@ -543,7 +520,16 @@ class AndroidTVDevice(ADBDevice):
 class FireTVDevice(ADBDevice):
     """Representation of a Fire TV device."""
 
-    _attr_supported_features = SUPPORT_FIRETV
+    _attr_supported_features = (
+        MediaPlayerEntityFeature.PAUSE
+        | MediaPlayerEntityFeature.PLAY
+        | MediaPlayerEntityFeature.TURN_ON
+        | MediaPlayerEntityFeature.TURN_OFF
+        | MediaPlayerEntityFeature.PREVIOUS_TRACK
+        | MediaPlayerEntityFeature.NEXT_TRACK
+        | MediaPlayerEntityFeature.SELECT_SOURCE
+        | MediaPlayerEntityFeature.STOP
+    )
 
     @adb_decorator(override_available=True)
     async def async_update(self):
diff --git a/homeassistant/components/anthemav/media_player.py b/homeassistant/components/anthemav/media_player.py
index 3044ddd7544..05bfea7ef45 100644
--- a/homeassistant/components/anthemav/media_player.py
+++ b/homeassistant/components/anthemav/media_player.py
@@ -6,13 +6,10 @@ import logging
 import anthemav
 import voluptuous as vol
 
-from homeassistant.components.media_player import PLATFORM_SCHEMA, MediaPlayerEntity
-from homeassistant.components.media_player.const import (
-    SUPPORT_SELECT_SOURCE,
-    SUPPORT_TURN_OFF,
-    SUPPORT_TURN_ON,
-    SUPPORT_VOLUME_MUTE,
-    SUPPORT_VOLUME_SET,
+from homeassistant.components.media_player import (
+    PLATFORM_SCHEMA,
+    MediaPlayerEntity,
+    MediaPlayerEntityFeature,
 )
 from homeassistant.const import (
     CONF_HOST,
@@ -37,14 +34,6 @@ DOMAIN = "anthemav"
 
 DEFAULT_PORT = 14999
 
-SUPPORT_ANTHEMAV = (
-    SUPPORT_VOLUME_SET
-    | SUPPORT_VOLUME_MUTE
-    | SUPPORT_TURN_ON
-    | SUPPORT_TURN_OFF
-    | SUPPORT_SELECT_SOURCE
-)
-
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
     {
         vol.Required(CONF_HOST): cv.string,
@@ -92,7 +81,13 @@ class AnthemAVR(MediaPlayerEntity):
     """Entity reading values from Anthem AVR protocol."""
 
     _attr_should_poll = False
-    _attr_supported_features = SUPPORT_ANTHEMAV
+    _attr_supported_features = (
+        MediaPlayerEntityFeature.VOLUME_SET
+        | MediaPlayerEntityFeature.VOLUME_MUTE
+        | MediaPlayerEntityFeature.TURN_ON
+        | MediaPlayerEntityFeature.TURN_OFF
+        | MediaPlayerEntityFeature.SELECT_SOURCE
+    )
 
     def __init__(self, avr, name):
         """Initialize entity with transport."""
diff --git a/homeassistant/components/apple_tv/media_player.py b/homeassistant/components/apple_tv/media_player.py
index 1f8cabb1d14..cadf84e8b31 100644
--- a/homeassistant/components/apple_tv/media_player.py
+++ b/homeassistant/components/apple_tv/media_player.py
@@ -13,7 +13,11 @@ from pyatv.const import (
 )
 from pyatv.helpers import is_streamable
 
-from homeassistant.components.media_player import BrowseMedia, MediaPlayerEntity
+from homeassistant.components.media_player import (
+    BrowseMedia,
+    MediaPlayerEntity,
+    MediaPlayerEntityFeature,
+)
 from homeassistant.components.media_player.const import (
     MEDIA_TYPE_APP,
     MEDIA_TYPE_MUSIC,
@@ -22,21 +26,6 @@ from homeassistant.components.media_player.const import (
     REPEAT_MODE_ALL,
     REPEAT_MODE_OFF,
     REPEAT_MODE_ONE,
-    SUPPORT_BROWSE_MEDIA,
-    SUPPORT_NEXT_TRACK,
-    SUPPORT_PAUSE,
-    SUPPORT_PLAY,
-    SUPPORT_PLAY_MEDIA,
-    SUPPORT_PREVIOUS_TRACK,
-    SUPPORT_REPEAT_SET,
-    SUPPORT_SEEK,
-    SUPPORT_SELECT_SOURCE,
-    SUPPORT_SHUFFLE_SET,
-    SUPPORT_STOP,
-    SUPPORT_TURN_OFF,
-    SUPPORT_TURN_ON,
-    SUPPORT_VOLUME_SET,
-    SUPPORT_VOLUME_STEP,
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
@@ -60,45 +49,47 @@ _LOGGER = logging.getLogger(__name__)
 PARALLEL_UPDATES = 0
 
 # We always consider these to be supported
-SUPPORT_BASE = SUPPORT_TURN_ON | SUPPORT_TURN_OFF
+SUPPORT_BASE = MediaPlayerEntityFeature.TURN_ON | MediaPlayerEntityFeature.TURN_OFF
 
 # This is the "optimistic" view of supported features and will be returned until the
 # actual set of supported feature have been determined (will always be all or a subset
 # of these).
 SUPPORT_APPLE_TV = (
     SUPPORT_BASE
-    | SUPPORT_BROWSE_MEDIA
-    | SUPPORT_PLAY_MEDIA
-    | SUPPORT_PAUSE
-    | SUPPORT_PLAY
-    | SUPPORT_SEEK
-    | SUPPORT_STOP
-    | SUPPORT_NEXT_TRACK
-    | SUPPORT_PREVIOUS_TRACK
-    | SUPPORT_VOLUME_SET
-    | SUPPORT_VOLUME_STEP
-    | SUPPORT_REPEAT_SET
-    | SUPPORT_SHUFFLE_SET
+    | MediaPlayerEntityFeature.BROWSE_MEDIA
+    | MediaPlayerEntityFeature.PLAY_MEDIA
+    | MediaPlayerEntityFeature.PAUSE
+    | MediaPlayerEntityFeature.PLAY
+    | MediaPlayerEntityFeature.SEEK
+    | MediaPlayerEntityFeature.STOP
+    | MediaPlayerEntityFeature.NEXT_TRACK
+    | MediaPlayerEntityFeature.PREVIOUS_TRACK
+    | MediaPlayerEntityFeature.VOLUME_SET
+    | MediaPlayerEntityFeature.VOLUME_STEP
+    | MediaPlayerEntityFeature.REPEAT_SET
+    | MediaPlayerEntityFeature.SHUFFLE_SET
 )
 
 
 # Map features in pyatv to Home Assistant
 SUPPORT_FEATURE_MAPPING = {
-    FeatureName.PlayUrl: SUPPORT_PLAY_MEDIA,
-    FeatureName.StreamFile: SUPPORT_PLAY_MEDIA,
-    FeatureName.Pause: SUPPORT_PAUSE,
-    FeatureName.Play: SUPPORT_PLAY,
-    FeatureName.SetPosition: SUPPORT_SEEK,
-    FeatureName.Stop: SUPPORT_STOP,
-    FeatureName.Next: SUPPORT_NEXT_TRACK,
-    FeatureName.Previous: SUPPORT_PREVIOUS_TRACK,
-    FeatureName.VolumeUp: SUPPORT_VOLUME_STEP,
-    FeatureName.VolumeDown: SUPPORT_VOLUME_STEP,
-    FeatureName.SetRepeat: SUPPORT_REPEAT_SET,
-    FeatureName.SetShuffle: SUPPORT_SHUFFLE_SET,
-    FeatureName.SetVolume: SUPPORT_VOLUME_SET,
-    FeatureName.AppList: SUPPORT_BROWSE_MEDIA | SUPPORT_SELECT_SOURCE,
-    FeatureName.LaunchApp: SUPPORT_BROWSE_MEDIA | SUPPORT_SELECT_SOURCE,
+    FeatureName.PlayUrl: MediaPlayerEntityFeature.PLAY_MEDIA,
+    FeatureName.StreamFile: MediaPlayerEntityFeature.PLAY_MEDIA,
+    FeatureName.Pause: MediaPlayerEntityFeature.PAUSE,
+    FeatureName.Play: MediaPlayerEntityFeature.PLAY,
+    FeatureName.SetPosition: MediaPlayerEntityFeature.SEEK,
+    FeatureName.Stop: MediaPlayerEntityFeature.STOP,
+    FeatureName.Next: MediaPlayerEntityFeature.NEXT_TRACK,
+    FeatureName.Previous: MediaPlayerEntityFeature.PREVIOUS_TRACK,
+    FeatureName.VolumeUp: MediaPlayerEntityFeature.VOLUME_STEP,
+    FeatureName.VolumeDown: MediaPlayerEntityFeature.VOLUME_STEP,
+    FeatureName.SetRepeat: MediaPlayerEntityFeature.REPEAT_SET,
+    FeatureName.SetShuffle: MediaPlayerEntityFeature.SHUFFLE_SET,
+    FeatureName.SetVolume: MediaPlayerEntityFeature.VOLUME_SET,
+    FeatureName.AppList: MediaPlayerEntityFeature.BROWSE_MEDIA
+    | MediaPlayerEntityFeature.SELECT_SOURCE,
+    FeatureName.LaunchApp: MediaPlayerEntityFeature.BROWSE_MEDIA
+    | MediaPlayerEntityFeature.SELECT_SOURCE,
 }
 
 
diff --git a/homeassistant/components/aquostv/media_player.py b/homeassistant/components/aquostv/media_player.py
index c692b4017ae..ccbae7151b2 100644
--- a/homeassistant/components/aquostv/media_player.py
+++ b/homeassistant/components/aquostv/media_player.py
@@ -6,18 +6,10 @@ import logging
 import sharp_aquos_rc
 import voluptuous as vol
 
-from homeassistant.components.media_player import PLATFORM_SCHEMA, MediaPlayerEntity
-from homeassistant.components.media_player.const import (
-    SUPPORT_NEXT_TRACK,
-    SUPPORT_PAUSE,
-    SUPPORT_PLAY,
-    SUPPORT_PREVIOUS_TRACK,
-    SUPPORT_SELECT_SOURCE,
-    SUPPORT_TURN_OFF,
-    SUPPORT_TURN_ON,
-    SUPPORT_VOLUME_MUTE,
-    SUPPORT_VOLUME_SET,
-    SUPPORT_VOLUME_STEP,
+from homeassistant.components.media_player import (
+    PLATFORM_SCHEMA,
+    MediaPlayerEntity,
+    MediaPlayerEntityFeature,
 )
 from homeassistant.const import (
     CONF_HOST,
@@ -43,18 +35,6 @@ DEFAULT_PASSWORD = "password"
 DEFAULT_TIMEOUT = 0.5
 DEFAULT_RETRIES = 2
 
-SUPPORT_SHARPTV = (
-    SUPPORT_TURN_OFF
-    | SUPPORT_NEXT_TRACK
-    | SUPPORT_PAUSE
-    | SUPPORT_PREVIOUS_TRACK
-    | SUPPORT_SELECT_SOURCE
-    | SUPPORT_VOLUME_MUTE
-    | SUPPORT_VOLUME_STEP
-    | SUPPORT_VOLUME_SET
-    | SUPPORT_PLAY
-)
-
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
     {
         vol.Required(CONF_HOST): cv.string,
@@ -122,7 +102,17 @@ class SharpAquosTVDevice(MediaPlayerEntity):
     """Representation of a Aquos TV."""
 
     _attr_source_list = list(SOURCES.values())
-    _attr_supported_features = SUPPORT_SHARPTV
+    _attr_supported_features = (
+        MediaPlayerEntityFeature.TURN_OFF
+        | MediaPlayerEntityFeature.NEXT_TRACK
+        | MediaPlayerEntityFeature.PAUSE
+        | MediaPlayerEntityFeature.PREVIOUS_TRACK
+        | MediaPlayerEntityFeature.SELECT_SOURCE
+        | MediaPlayerEntityFeature.VOLUME_MUTE
+        | MediaPlayerEntityFeature.VOLUME_STEP
+        | MediaPlayerEntityFeature.VOLUME_SET
+        | MediaPlayerEntityFeature.PLAY
+    )
 
     def __init__(
         self, name: str, remote: sharp_aquos_rc.TV, power_on_enabled: bool = False
@@ -130,7 +120,7 @@ class SharpAquosTVDevice(MediaPlayerEntity):
         """Initialize the aquos device."""
         self._power_on_enabled = power_on_enabled
         if power_on_enabled:
-            self._attr_supported_features |= SUPPORT_TURN_ON
+            self._attr_supported_features |= MediaPlayerEntityFeature.TURN_ON
         # Save a reference to the imported class
         self._attr_name = name
         # Assume that the TV is not muted
diff --git a/homeassistant/components/arcam_fmj/media_player.py b/homeassistant/components/arcam_fmj/media_player.py
index 583fa5f66c4..245e309af9c 100644
--- a/homeassistant/components/arcam_fmj/media_player.py
+++ b/homeassistant/components/arcam_fmj/media_player.py
@@ -4,20 +4,15 @@ import logging
 from arcam.fmj import SourceCodes
 from arcam.fmj.state import State
 
-from homeassistant.components.media_player import BrowseMedia, MediaPlayerEntity
+from homeassistant.components.media_player import (
+    BrowseMedia,
+    MediaPlayerEntity,
+    MediaPlayerEntityFeature,
+)
 from homeassistant.components.media_player.const import (
     MEDIA_CLASS_DIRECTORY,
     MEDIA_CLASS_MUSIC,
     MEDIA_TYPE_MUSIC,
-    SUPPORT_BROWSE_MEDIA,
-    SUPPORT_PLAY_MEDIA,
-    SUPPORT_SELECT_SOUND_MODE,
-    SUPPORT_SELECT_SOURCE,
-    SUPPORT_TURN_OFF,
-    SUPPORT_TURN_ON,
-    SUPPORT_VOLUME_MUTE,
-    SUPPORT_VOLUME_SET,
-    SUPPORT_VOLUME_STEP,
 )
 from homeassistant.components.media_player.errors import BrowseError
 from homeassistant.config_entries import ConfigEntry
@@ -77,17 +72,17 @@ class ArcamFmj(MediaPlayerEntity):
         self._attr_name = f"{device_name} - Zone: {state.zn}"
         self._uuid = uuid
         self._attr_supported_features = (
-            SUPPORT_SELECT_SOURCE
-            | SUPPORT_PLAY_MEDIA
-            | SUPPORT_BROWSE_MEDIA
-            | SUPPORT_VOLUME_SET
-            | SUPPORT_VOLUME_MUTE
-            | SUPPORT_VOLUME_STEP
-            | SUPPORT_TURN_OFF
-            | SUPPORT_TURN_ON
+            MediaPlayerEntityFeature.SELECT_SOURCE
+            | MediaPlayerEntityFeature.PLAY_MEDIA
+            | MediaPlayerEntityFeature.BROWSE_MEDIA
+            | MediaPlayerEntityFeature.VOLUME_SET
+            | MediaPlayerEntityFeature.VOLUME_MUTE
+            | MediaPlayerEntityFeature.VOLUME_STEP
+            | MediaPlayerEntityFeature.TURN_OFF
+            | MediaPlayerEntityFeature.TURN_ON
         )
         if state.zn == 1:
-            self._attr_supported_features |= SUPPORT_SELECT_SOUND_MODE
+            self._attr_supported_features |= MediaPlayerEntityFeature.SELECT_SOUND_MODE
         self._attr_unique_id = f"{uuid}-{state.zn}"
         self._attr_entity_registry_enabled_default = state.zn == 1
 
diff --git a/homeassistant/components/arlo/alarm_control_panel.py b/homeassistant/components/arlo/alarm_control_panel.py
index 6026d284bf5..845f0f8d0da 100644
--- a/homeassistant/components/arlo/alarm_control_panel.py
+++ b/homeassistant/components/arlo/alarm_control_panel.py
@@ -8,11 +8,7 @@ import voluptuous as vol
 from homeassistant.components.alarm_control_panel import (
     PLATFORM_SCHEMA as PARENT_PLATFORM_SCHEMA,
     AlarmControlPanelEntity,
-)
-from homeassistant.components.alarm_control_panel.const import (
-    SUPPORT_ALARM_ARM_AWAY,
-    SUPPORT_ALARM_ARM_HOME,
-    SUPPORT_ALARM_ARM_NIGHT,
+    AlarmControlPanelEntityFeature,
 )
 from homeassistant.const import (
     ATTR_ATTRIBUTION,
@@ -78,7 +74,9 @@ class ArloBaseStation(AlarmControlPanelEntity):
     """Representation of an Arlo Alarm Control Panel."""
 
     _attr_supported_features = (
-        SUPPORT_ALARM_ARM_HOME | SUPPORT_ALARM_ARM_AWAY | SUPPORT_ALARM_ARM_NIGHT
+        AlarmControlPanelEntityFeature.ARM_HOME
+        | AlarmControlPanelEntityFeature.ARM_AWAY
+        | AlarmControlPanelEntityFeature.ARM_NIGHT
     )
     _attr_icon = ICON
 
diff --git a/homeassistant/components/atag/climate.py b/homeassistant/components/atag/climate.py
index b98a0405bb9..32630329c0f 100644
--- a/homeassistant/components/atag/climate.py
+++ b/homeassistant/components/atag/climate.py
@@ -1,7 +1,7 @@
 """Initialization of ATAG One climate platform."""
 from __future__ import annotations
 
-from homeassistant.components.climate import ClimateEntity
+from homeassistant.components.climate import ClimateEntity, ClimateEntityFeature
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_HEAT,
     CURRENT_HVAC_IDLE,
@@ -9,8 +9,6 @@ from homeassistant.components.climate.const import (
     HVAC_MODE_HEAT,
     PRESET_AWAY,
     PRESET_BOOST,
-    SUPPORT_PRESET_MODE,
-    SUPPORT_TARGET_TEMPERATURE,
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import ATTR_TEMPERATURE, Platform
@@ -27,7 +25,6 @@ PRESET_MAP = {
     PRESET_BOOST: "fireplace",
 }
 PRESET_INVERTED = {v: k for k, v in PRESET_MAP.items()}
-SUPPORT_FLAGS = SUPPORT_TARGET_TEMPERATURE | SUPPORT_PRESET_MODE
 HVAC_MODES = [HVAC_MODE_AUTO, HVAC_MODE_HEAT]
 
 
@@ -44,7 +41,9 @@ class AtagThermostat(AtagEntity, ClimateEntity):
 
     _attr_hvac_modes = HVAC_MODES
     _attr_preset_modes = list(PRESET_MAP.keys())
-    _attr_supported_features = SUPPORT_FLAGS
+    _attr_supported_features = (
+        ClimateEntityFeature.TARGET_TEMPERATURE | ClimateEntityFeature.PRESET_MODE
+    )
 
     def __init__(self, coordinator, atag_id):
         """Initialize an Atag climate device."""
diff --git a/homeassistant/components/atag/water_heater.py b/homeassistant/components/atag/water_heater.py
index 94d4bfd576a..1dc38401574 100644
--- a/homeassistant/components/atag/water_heater.py
+++ b/homeassistant/components/atag/water_heater.py
@@ -11,7 +11,6 @@ from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
 from . import DOMAIN, AtagEntity
 
-SUPPORT_FLAGS_HEATER = 0
 OPERATION_LIST = [STATE_OFF, STATE_ECO, STATE_PERFORMANCE]
 
 
@@ -29,7 +28,7 @@ class AtagWaterHeater(AtagEntity, WaterHeaterEntity):
     """Representation of an ATAG water heater."""
 
     _attr_operation_list = OPERATION_LIST
-    _attr_supported_features = SUPPORT_FLAGS_HEATER
+    _attr_supported_features = 0
     _attr_temperature_unit = TEMP_CELSIUS
 
     @property
diff --git a/homeassistant/components/axis/camera.py b/homeassistant/components/axis/camera.py
index 2c9a6a52b9e..bd46ae54f81 100644
--- a/homeassistant/components/axis/camera.py
+++ b/homeassistant/components/axis/camera.py
@@ -1,7 +1,7 @@
 """Support for Axis camera streaming."""
 from urllib.parse import urlencode
 
-from homeassistant.components.camera import SUPPORT_STREAM
+from homeassistant.components.camera import CameraEntityFeature
 from homeassistant.components.mjpeg import MjpegCamera, filter_urllib3_logging
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import HTTP_DIGEST_AUTHENTICATION
@@ -32,6 +32,8 @@ async def async_setup_entry(
 class AxisCamera(AxisEntityBase, MjpegCamera):
     """Representation of a Axis camera."""
 
+    _attr_supported_features = CameraEntityFeature.STREAM
+
     def __init__(self, device):
         """Initialize Axis Communications camera component."""
         AxisEntityBase.__init__(self, device)
@@ -58,11 +60,6 @@ class AxisCamera(AxisEntityBase, MjpegCamera):
 
         await super().async_added_to_hass()
 
-    @property
-    def supported_features(self) -> int:
-        """Return supported features."""
-        return SUPPORT_STREAM
-
     def _new_address(self) -> None:
         """Set new device address for video stream."""
         self._mjpeg_url = self.mjpeg_source