diff --git a/homeassistant/components/youtube/__init__.py b/homeassistant/components/youtube/__init__.py
index 32863f5a77260d..cb3a9bf03706d0 100644
--- a/homeassistant/components/youtube/__init__.py
+++ b/homeassistant/components/youtube/__init__.py
@@ -1,10 +1,7 @@
 """Support for YouTube."""
 
-from __future__ import annotations
-
 from aiohttp.client_exceptions import ClientError, ClientResponseError
 
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import Platform
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import ConfigEntryAuthFailed, ConfigEntryNotReady
@@ -16,13 +13,13 @@
 )
 
 from .api import AsyncConfigEntryAuth
-from .const import AUTH, COORDINATOR, DOMAIN
-from .coordinator import YouTubeDataUpdateCoordinator
+from .const import DOMAIN
+from .coordinator import YouTubeConfigEntry, YouTubeDataUpdateCoordinator
 
 PLATFORMS = [Platform.SENSOR]
 
 
-async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+async def async_setup_entry(hass: HomeAssistant, entry: YouTubeConfigEntry) -> bool:
     """Set up YouTube from a config entry."""
     try:
         implementation = await async_get_config_entry_implementation(hass, entry)
@@ -49,25 +46,21 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
 
     await delete_devices(hass, entry, coordinator)
 
-    hass.data.setdefault(DOMAIN, {})[entry.entry_id] = {
-        COORDINATOR: coordinator,
-        AUTH: auth,
-    }
+    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: YouTubeConfigEntry) -> bool:
     """Unload a config entry."""
-
-    if unload_ok := await hass.config_entries.async_unload_platforms(entry, PLATFORMS):
-        hass.data[DOMAIN].pop(entry.entry_id)
-    return unload_ok
+    return await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
 
 
 async def delete_devices(
-    hass: HomeAssistant, entry: ConfigEntry, coordinator: YouTubeDataUpdateCoordinator
+    hass: HomeAssistant,
+    entry: YouTubeConfigEntry,
+    coordinator: YouTubeDataUpdateCoordinator,
 ) -> None:
     """Delete all devices created by integration."""
     channel_ids = list(coordinator.data)
diff --git a/homeassistant/components/youtube/coordinator.py b/homeassistant/components/youtube/coordinator.py
index 476e5bb402262f..232eb381f189e7 100644
--- a/homeassistant/components/youtube/coordinator.py
+++ b/homeassistant/components/youtube/coordinator.py
@@ -1,7 +1,5 @@
 """DataUpdateCoordinator for the YouTube integration."""
 
-from __future__ import annotations
-
 from datetime import timedelta
 from typing import Any
 
@@ -14,7 +12,7 @@
 from homeassistant.exceptions import ConfigEntryAuthFailed
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
 
-from . import AsyncConfigEntryAuth
+from .api import AsyncConfigEntryAuth
 from .const import (
     ATTR_DESCRIPTION,
     ATTR_LATEST_VIDEO,
@@ -29,14 +27,19 @@
     LOGGER,
 )
 
+type YouTubeConfigEntry = ConfigEntry[YouTubeDataUpdateCoordinator]
+
 
 class YouTubeDataUpdateCoordinator(DataUpdateCoordinator[dict[str, Any]]):
     """A YouTube Data Update Coordinator."""
 
-    config_entry: ConfigEntry
+    config_entry: YouTubeConfigEntry
 
     def __init__(
-        self, hass: HomeAssistant, config_entry: ConfigEntry, auth: AsyncConfigEntryAuth
+        self,
+        hass: HomeAssistant,
+        config_entry: YouTubeConfigEntry,
+        auth: AsyncConfigEntryAuth,
     ) -> None:
         """Initialize the YouTube data coordinator."""
         self._auth = auth
diff --git a/homeassistant/components/youtube/diagnostics.py b/homeassistant/components/youtube/diagnostics.py
index 9a898b7e2de7a7..f068934105360a 100644
--- a/homeassistant/components/youtube/diagnostics.py
+++ b/homeassistant/components/youtube/diagnostics.py
@@ -1,25 +1,26 @@
 """Diagnostics support for YouTube."""
 
-from __future__ import annotations
-
 from typing import Any
 
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 
-from .const import ATTR_DESCRIPTION, ATTR_LATEST_VIDEO, COORDINATOR, DOMAIN
-from .coordinator import YouTubeDataUpdateCoordinator
+from .const import ATTR_DESCRIPTION, ATTR_LATEST_VIDEO
+from .coordinator import YouTubeConfigEntry
 
 
 async def async_get_config_entry_diagnostics(
-    hass: HomeAssistant, entry: ConfigEntry
+    hass: HomeAssistant, entry: YouTubeConfigEntry
 ) -> dict[str, Any]:
     """Return diagnostics for a config entry."""
-    coordinator: YouTubeDataUpdateCoordinator = hass.data[DOMAIN][entry.entry_id][
-        COORDINATOR
-    ]
+    coordinator = entry.runtime_data
     sensor_data: dict[str, Any] = {}
     for channel_id, channel_data in coordinator.data.items():
-        channel_data.get(ATTR_LATEST_VIDEO, {}).pop(ATTR_DESCRIPTION)
-        sensor_data[channel_id] = channel_data
+        channel_copy = dict(channel_data)
+        if latest_video := channel_copy.get(ATTR_LATEST_VIDEO):
+            channel_copy[ATTR_LATEST_VIDEO] = {
+                key: value
+                for key, value in latest_video.items()
+                if key != ATTR_DESCRIPTION
+            }
+        sensor_data[channel_id] = channel_copy
     return sensor_data
diff --git a/tests/components/youtube/test_diagnostics.py b/tests/components/youtube/test_diagnostics.py
index 99d8b9d5185e75..c5cb82189a6a9e 100644
--- a/tests/components/youtube/test_diagnostics.py
+++ b/tests/components/youtube/test_diagnostics.py
@@ -20,5 +20,4 @@ async def test_diagnostics(
     """Test diagnostics."""
     await setup_integration()
     entry = hass.config_entries.async_entries(DOMAIN)[0]
-
     assert await get_diagnostics_for_config_entry(hass, hass_client, entry) == snapshot