diff --git a/homeassistant/components/devialet/__init__.py b/homeassistant/components/devialet/__init__.py
index 2eccdb2a4b6..be641ad58a5 100644
--- a/homeassistant/components/devialet/__init__.py
+++ b/homeassistant/components/devialet/__init__.py
@@ -4,29 +4,28 @@ from __future__ import annotations
 
 from devialet import DevialetApi
 
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_HOST, Platform
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 
-from .const import DOMAIN
+from .coordinator import DevialetConfigEntry, DevialetCoordinator
 
 PLATFORMS = [Platform.MEDIA_PLAYER]
 
 
-async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+async def async_setup_entry(hass: HomeAssistant, entry: DevialetConfigEntry) -> bool:
     """Set up Devialet from a config entry."""
     session = async_get_clientsession(hass)
-    hass.data.setdefault(DOMAIN, {})[entry.entry_id] = DevialetApi(
-        entry.data[CONF_HOST], session
-    )
+    client = DevialetApi(entry.data[CONF_HOST], session)
+    coordinator = DevialetCoordinator(hass, entry, client)
+    await coordinator.async_config_entry_first_refresh()
+
+    entry.runtime_data = coordinator
 
     await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
     return True
 
 
-async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+async def async_unload_entry(hass: HomeAssistant, entry: DevialetConfigEntry) -> bool:
     """Unload Devialet config entry."""
-    if unload_ok := await hass.config_entries.async_unload_platforms(entry, PLATFORMS):
-        del hass.data[DOMAIN][entry.entry_id]
-    return unload_ok
+    return await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
diff --git a/homeassistant/components/devialet/coordinator.py b/homeassistant/components/devialet/coordinator.py
index 9cfeb797373..7b022b921f8 100644
--- a/homeassistant/components/devialet/coordinator.py
+++ b/homeassistant/components/devialet/coordinator.py
@@ -5,6 +5,7 @@ import logging
 
 from devialet import DevialetApi
 
+from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
 
@@ -14,15 +15,22 @@ _LOGGER = logging.getLogger(__name__)
 
 SCAN_INTERVAL = timedelta(seconds=5)
 
+type DevialetConfigEntry = ConfigEntry[DevialetCoordinator]
+
 
 class DevialetCoordinator(DataUpdateCoordinator[None]):
     """Devialet update coordinator."""
 
-    def __init__(self, hass: HomeAssistant, client: DevialetApi) -> None:
+    config_entry: DevialetConfigEntry
+
+    def __init__(
+        self, hass: HomeAssistant, entry: DevialetConfigEntry, client: DevialetApi
+    ) -> None:
         """Initialize the coordinator."""
         super().__init__(
             hass,
             _LOGGER,
+            config_entry=entry,
             name=DOMAIN,
             update_interval=SCAN_INTERVAL,
         )
diff --git a/homeassistant/components/devialet/diagnostics.py b/homeassistant/components/devialet/diagnostics.py
index ae887dd1c8c..75d6e7aa222 100644
--- a/homeassistant/components/devialet/diagnostics.py
+++ b/homeassistant/components/devialet/diagnostics.py
@@ -4,18 +4,13 @@ from __future__ import annotations
 
 from typing import Any
 
-from devialet import DevialetApi
-
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 
-from .const import DOMAIN
+from .coordinator import DevialetConfigEntry
 
 
 async def async_get_config_entry_diagnostics(
-    hass: HomeAssistant, entry: ConfigEntry
+    hass: HomeAssistant, entry: DevialetConfigEntry
 ) -> dict[str, Any]:
     """Return diagnostics for a config entry."""
-    client: DevialetApi = hass.data[DOMAIN][entry.entry_id]
-
-    return await client.async_get_diagnostics()
+    return await entry.runtime_data.client.async_get_diagnostics()
diff --git a/homeassistant/components/devialet/media_player.py b/homeassistant/components/devialet/media_player.py
index 8789516650a..04ec58723cf 100644
--- a/homeassistant/components/devialet/media_player.py
+++ b/homeassistant/components/devialet/media_player.py
@@ -9,7 +9,6 @@ from homeassistant.components.media_player import (
     MediaPlayerEntityFeature,
     MediaPlayerState,
 )
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_NAME
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.device_registry import DeviceInfo
@@ -17,7 +16,7 @@ from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
 from .const import DOMAIN, MANUFACTURER, SOUND_MODES
-from .coordinator import DevialetCoordinator
+from .coordinator import DevialetConfigEntry, DevialetCoordinator
 
 SUPPORT_DEVIALET = (
     MediaPlayerEntityFeature.VOLUME_SET
@@ -37,14 +36,12 @@ DEVIALET_TO_HA_FEATURE_MAP = {
 
 
 async def async_setup_entry(
-    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+    hass: HomeAssistant,
+    entry: DevialetConfigEntry,
+    async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Set up the Devialet entry."""
-    client = hass.data[DOMAIN][entry.entry_id]
-    coordinator = DevialetCoordinator(hass, client)
-    await coordinator.async_config_entry_first_refresh()
-
-    async_add_entities([DevialetMediaPlayerEntity(coordinator, entry)])
+    async_add_entities([DevialetMediaPlayerEntity(entry.runtime_data)])
 
 
 class DevialetMediaPlayerEntity(
@@ -55,18 +52,18 @@ class DevialetMediaPlayerEntity(
     _attr_has_entity_name = True
     _attr_name = None
 
-    def __init__(self, coordinator: DevialetCoordinator, entry: ConfigEntry) -> None:
+    def __init__(self, coordinator: DevialetCoordinator) -> None:
         """Initialize the Devialet device."""
-        self.coordinator = coordinator
         super().__init__(coordinator)
+        entry = coordinator.config_entry
 
         self._attr_unique_id = str(entry.unique_id)
         self._attr_device_info = DeviceInfo(
             identifiers={(DOMAIN, self._attr_unique_id)},
             manufacturer=MANUFACTURER,
-            model=self.coordinator.client.model,
+            model=coordinator.client.model,
             name=entry.data[CONF_NAME],
-            sw_version=self.coordinator.client.version,
+            sw_version=coordinator.client.version,
         )
 
     @callback
diff --git a/tests/components/devialet/test_init.py b/tests/components/devialet/test_init.py
index a87e8ac05c3..6808ee0983e 100644
--- a/tests/components/devialet/test_init.py
+++ b/tests/components/devialet/test_init.py
@@ -1,6 +1,5 @@
 """Test the Devialet init."""
 
-from homeassistant.components.devialet.const import DOMAIN
 from homeassistant.components.media_player import DOMAIN as MP_DOMAIN, MediaPlayerState
 from homeassistant.config_entries import ConfigEntryState
 from homeassistant.core import HomeAssistant
@@ -16,7 +15,6 @@ async def test_load_unload_config_entry(
     """Test the Devialet configuration entry loading and unloading."""
     entry = await setup_integration(hass, aioclient_mock)
 
-    assert entry.entry_id in hass.data[DOMAIN]
     assert entry.state is ConfigEntryState.LOADED
     assert entry.unique_id is not None
 
@@ -26,7 +24,6 @@ async def test_load_unload_config_entry(
     await hass.config_entries.async_unload(entry.entry_id)
     await hass.async_block_till_done()
 
-    assert entry.entry_id not in hass.data[DOMAIN]
     assert entry.state is ConfigEntryState.NOT_LOADED
 
 
@@ -36,7 +33,6 @@ async def test_load_unload_config_entry_when_device_unavailable(
     """Test the Devialet configuration entry loading and unloading when the device is unavailable."""
     entry = await setup_integration(hass, aioclient_mock, state="unavailable")
 
-    assert entry.entry_id in hass.data[DOMAIN]
     assert entry.state is ConfigEntryState.LOADED
     assert entry.unique_id is not None
 
@@ -46,5 +42,4 @@ async def test_load_unload_config_entry_when_device_unavailable(
     await hass.config_entries.async_unload(entry.entry_id)
     await hass.async_block_till_done()
 
-    assert entry.entry_id not in hass.data[DOMAIN]
     assert entry.state is ConfigEntryState.NOT_LOADED
diff --git a/tests/components/devialet/test_media_player.py b/tests/components/devialet/test_media_player.py
index 6ca3d23218f..fd593a10a98 100644
--- a/tests/components/devialet/test_media_player.py
+++ b/tests/components/devialet/test_media_player.py
@@ -6,7 +6,6 @@ from devialet import DevialetApi
 from devialet.const import UrlSuffix
 from yarl import URL
 
-from homeassistant.components.devialet.const import DOMAIN
 from homeassistant.components.devialet.media_player import SUPPORT_DEVIALET
 from homeassistant.components.homeassistant import SERVICE_UPDATE_ENTITY
 from homeassistant.components.media_player import (
@@ -108,7 +107,6 @@ async def test_media_player_playing(
     await async_setup_component(hass, "homeassistant", {})
     entry = await setup_integration(hass, aioclient_mock)
 
-    assert entry.entry_id in hass.data[DOMAIN]
     assert entry.state is ConfigEntryState.LOADED
 
     await hass.services.async_call(
@@ -227,7 +225,6 @@ async def test_media_player_playing(
     await hass.config_entries.async_unload(entry.entry_id)
     await hass.async_block_till_done()
 
-    assert entry.entry_id not in hass.data[DOMAIN]
     assert entry.state is ConfigEntryState.NOT_LOADED
 
 
@@ -237,7 +234,6 @@ async def test_media_player_offline(
     """Test the Devialet configuration entry loading and unloading."""
     entry = await setup_integration(hass, aioclient_mock, state=STATE_UNAVAILABLE)
 
-    assert entry.entry_id in hass.data[DOMAIN]
     assert entry.state is ConfigEntryState.LOADED
 
     state = hass.states.get(f"{MP_DOMAIN}.{NAME.lower()}")
@@ -247,7 +243,6 @@ async def test_media_player_offline(
     await hass.config_entries.async_unload(entry.entry_id)
     await hass.async_block_till_done()
 
-    assert entry.entry_id not in hass.data[DOMAIN]
     assert entry.state is ConfigEntryState.NOT_LOADED
 
 
@@ -257,14 +252,12 @@ async def test_media_player_without_serial(
     """Test the Devialet configuration entry loading and unloading."""
     entry = await setup_integration(hass, aioclient_mock, serial=None)
 
-    assert entry.entry_id in hass.data[DOMAIN]
     assert entry.state is ConfigEntryState.LOADED
     assert entry.unique_id is None
 
     await hass.config_entries.async_unload(entry.entry_id)
     await hass.async_block_till_done()
 
-    assert entry.entry_id not in hass.data[DOMAIN]
     assert entry.state is ConfigEntryState.NOT_LOADED
 
 
@@ -276,7 +269,6 @@ async def test_media_player_services(
         hass, aioclient_mock, state=MediaPlayerState.PLAYING
     )
 
-    assert entry.entry_id in hass.data[DOMAIN]
     assert entry.state is ConfigEntryState.LOADED
 
     target = {ATTR_ENTITY_ID: hass.states.get(f"{MP_DOMAIN}.{NAME}").entity_id}
@@ -309,5 +301,4 @@ async def test_media_player_services(
     await hass.config_entries.async_unload(entry.entry_id)
     await hass.async_block_till_done()
 
-    assert entry.entry_id not in hass.data[DOMAIN]
     assert entry.state is ConfigEntryState.NOT_LOADED