diff --git a/homeassistant/components/samsungtv/__init__.py b/homeassistant/components/samsungtv/__init__.py
index 9dcb2f9f57e..538bd2475dd 100644
--- a/homeassistant/components/samsungtv/__init__.py
+++ b/homeassistant/components/samsungtv/__init__.py
@@ -54,6 +54,8 @@ PLATFORMS = [Platform.MEDIA_PLAYER, Platform.REMOTE]
 
 CONFIG_SCHEMA = cv.removed(DOMAIN, raise_if_present=False)
 
+SamsungTVConfigEntry = ConfigEntry[SamsungTVBridge]
+
 
 @callback
 def _async_get_device_bridge(
@@ -123,10 +125,8 @@ async def _async_update_ssdp_locations(hass: HomeAssistant, entry: ConfigEntry)
         hass.config_entries.async_update_entry(entry, data={**entry.data, **updates})
 
 
-async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+async def async_setup_entry(hass: HomeAssistant, entry: SamsungTVConfigEntry) -> bool:
     """Set up the Samsung TV platform."""
-    hass.data.setdefault(DOMAIN, {})
-
     # Initialize bridge
     if entry.data.get(CONF_METHOD) == METHOD_ENCRYPTED_WEBSOCKET:
         if not entry.data.get(CONF_TOKEN) or not entry.data.get(CONF_SESSION_ID):
@@ -161,7 +161,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     entry.async_on_unload(debounced_reloader.async_shutdown)
     entry.async_on_unload(entry.add_update_listener(debounced_reloader.async_call))
 
-    hass.data[DOMAIN][entry.entry_id] = bridge
+    entry.runtime_data = bridge
     await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
 
     return True
@@ -250,11 +250,11 @@ async def _async_create_bridge_with_updated_data(
     return bridge
 
 
-async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+async def async_unload_entry(hass: HomeAssistant, entry: SamsungTVConfigEntry) -> bool:
     """Unload a config entry."""
     unload_ok = await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
     if unload_ok:
-        bridge: SamsungTVBridge = hass.data[DOMAIN][entry.entry_id]
+        bridge = entry.runtime_data
         LOGGER.debug("Stopping SamsungTVBridge %s", bridge.host)
         await bridge.async_close_remote()
     return unload_ok
diff --git a/homeassistant/components/samsungtv/device_trigger.py b/homeassistant/components/samsungtv/device_trigger.py
index 5b8ff3ebdb8..0e5c6608a17 100644
--- a/homeassistant/components/samsungtv/device_trigger.py
+++ b/homeassistant/components/samsungtv/device_trigger.py
@@ -15,7 +15,6 @@ from homeassistant.helpers.trigger import TriggerActionType, TriggerInfo
 from homeassistant.helpers.typing import ConfigType
 
 from . import trigger
-from .const import DOMAIN
 from .helpers import (
     async_get_client_by_device_entry,
     async_get_device_entry_by_device_id,
@@ -43,8 +42,7 @@ async def async_validate_trigger_config(
         device_id = config[CONF_DEVICE_ID]
         try:
             device = async_get_device_entry_by_device_id(hass, device_id)
-            if DOMAIN in hass.data:
-                async_get_client_by_device_entry(hass, device)
+            async_get_client_by_device_entry(hass, device)
         except ValueError as err:
             raise InvalidDeviceAutomationConfig(err) from err
 
diff --git a/homeassistant/components/samsungtv/diagnostics.py b/homeassistant/components/samsungtv/diagnostics.py
index 5ce0c0393ca..a0da9a59261 100644
--- a/homeassistant/components/samsungtv/diagnostics.py
+++ b/homeassistant/components/samsungtv/diagnostics.py
@@ -5,21 +5,20 @@ from __future__ import annotations
 from typing import Any
 
 from homeassistant.components.diagnostics import async_redact_data
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_TOKEN
 from homeassistant.core import HomeAssistant
 
-from .bridge import SamsungTVBridge
-from .const import CONF_SESSION_ID, DOMAIN
+from . import SamsungTVConfigEntry
+from .const import CONF_SESSION_ID
 
 TO_REDACT = {CONF_TOKEN, CONF_SESSION_ID}
 
 
 async def async_get_config_entry_diagnostics(
-    hass: HomeAssistant, entry: ConfigEntry
+    hass: HomeAssistant, entry: SamsungTVConfigEntry
 ) -> dict[str, Any]:
     """Return diagnostics for a config entry."""
-    bridge: SamsungTVBridge = hass.data[DOMAIN][entry.entry_id]
+    bridge = entry.runtime_data
     return {
         "entry": async_redact_data(entry.as_dict(), TO_REDACT),
         "device_info": await bridge.async_device_info(),
diff --git a/homeassistant/components/samsungtv/helpers.py b/homeassistant/components/samsungtv/helpers.py
index b334c60442b..f7d49f5e8cc 100644
--- a/homeassistant/components/samsungtv/helpers.py
+++ b/homeassistant/components/samsungtv/helpers.py
@@ -2,6 +2,7 @@
 
 from __future__ import annotations
 
+from homeassistant.config_entries import ConfigEntryState
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers import device_registry as dr, entity_registry as er
 from homeassistant.helpers.device_registry import DeviceEntry
@@ -52,10 +53,15 @@ def async_get_client_by_device_entry(
 
     Raises ValueError if client is not found.
     """
-    domain_data: dict[str, SamsungTVBridge] = hass.data[DOMAIN]
     for config_entry_id in device.config_entries:
-        if bridge := domain_data.get(config_entry_id):
-            return bridge
+        entry = hass.config_entries.async_get_entry(config_entry_id)
+        if (
+            entry
+            and entry.state == ConfigEntryState.LOADED
+            and hasattr(entry, "runtime_data")
+            and isinstance(entry.runtime_data, SamsungTVBridge)
+        ):
+            return entry.runtime_data
 
     raise ValueError(
         f"Device {device.id} is not from an existing {DOMAIN} config entry"
diff --git a/homeassistant/components/samsungtv/media_player.py b/homeassistant/components/samsungtv/media_player.py
index ff347431a4a..f227684c016 100644
--- a/homeassistant/components/samsungtv/media_player.py
+++ b/homeassistant/components/samsungtv/media_player.py
@@ -38,6 +38,7 @@ from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.trigger import PluggableAction
 from homeassistant.util.async_ import create_eager_task
 
+from . import SamsungTVConfigEntry
 from .bridge import SamsungTVBridge, SamsungTVWSBridge
 from .const import CONF_SSDP_RENDERING_CONTROL_LOCATION, DOMAIN, LOGGER
 from .entity import SamsungTVEntity
@@ -65,10 +66,12 @@ APP_LIST_DELAY = 3
 
 
 async def async_setup_entry(
-    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+    hass: HomeAssistant,
+    entry: SamsungTVConfigEntry,
+    async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Set up the Samsung TV from a config entry."""
-    bridge = hass.data[DOMAIN][entry.entry_id]
+    bridge = entry.runtime_data
     async_add_entities([SamsungTVDevice(bridge, entry)], True)
 
 
diff --git a/homeassistant/components/samsungtv/remote.py b/homeassistant/components/samsungtv/remote.py
index 752c5e2f950..c65bf17240b 100644
--- a/homeassistant/components/samsungtv/remote.py
+++ b/homeassistant/components/samsungtv/remote.py
@@ -6,19 +6,21 @@ from collections.abc import Iterable
 from typing import Any
 
 from homeassistant.components.remote import ATTR_NUM_REPEATS, RemoteEntity
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
-from .const import DOMAIN, LOGGER
+from . import SamsungTVConfigEntry
+from .const import LOGGER
 from .entity import SamsungTVEntity
 
 
 async def async_setup_entry(
-    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+    hass: HomeAssistant,
+    entry: SamsungTVConfigEntry,
+    async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Set up the Samsung TV from a config entry."""
-    bridge = hass.data[DOMAIN][entry.entry_id]
+    bridge = entry.runtime_data
     async_add_entities([SamsungTVRemote(bridge=bridge, config_entry=entry)])