diff --git a/homeassistant/components/twitch/__init__.py b/homeassistant/components/twitch/__init__.py
index 76b6ec709ff..a26b7e94035 100644
--- a/homeassistant/components/twitch/__init__.py
+++ b/homeassistant/components/twitch/__init__.py
@@ -1,14 +1,17 @@
 """The Twitch component."""
 from __future__ import annotations
 
+from typing import cast
+
 from aiohttp.client_exceptions import ClientError, ClientResponseError
 from twitchAPI.twitch import Twitch
 
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import CONF_ACCESS_TOKEN, CONF_CLIENT_ID, CONF_TOKEN
+from homeassistant.const import CONF_ACCESS_TOKEN, CONF_TOKEN
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import ConfigEntryAuthFailed, ConfigEntryNotReady
 from homeassistant.helpers.config_entry_oauth2_flow import (
+    LocalOAuth2Implementation,
     OAuth2Session,
     async_get_config_entry_implementation,
 )
@@ -18,7 +21,10 @@ from .const import DOMAIN, OAUTH_SCOPES, PLATFORMS
 
 async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Set up Twitch from a config entry."""
-    implementation = await async_get_config_entry_implementation(hass, entry)
+    implementation = cast(
+        LocalOAuth2Implementation,
+        await async_get_config_entry_implementation(hass, entry),
+    )
     session = OAuth2Session(hass, entry, implementation)
     try:
         await session.async_ensure_token_valid()
@@ -31,10 +37,9 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     except ClientError as err:
         raise ConfigEntryNotReady from err
 
-    app_id = implementation.__dict__[CONF_CLIENT_ID]
     access_token = entry.data[CONF_TOKEN][CONF_ACCESS_TOKEN]
     client = await Twitch(
-        app_id=app_id,
+        app_id=implementation.client_id,
         authenticate_app=False,
     )
     client.auto_refresh_auth = False
diff --git a/homeassistant/components/twitch/config_flow.py b/homeassistant/components/twitch/config_flow.py
index 9e586b19a5a..128abf756fa 100644
--- a/homeassistant/components/twitch/config_flow.py
+++ b/homeassistant/components/twitch/config_flow.py
@@ -3,7 +3,7 @@ from __future__ import annotations
 
 from collections.abc import Mapping
 import logging
-from typing import Any
+from typing import Any, cast
 
 from twitchAPI.helper import first
 from twitchAPI.twitch import Twitch
@@ -14,6 +14,7 @@ from homeassistant.const import CONF_ACCESS_TOKEN, CONF_CLIENT_ID, CONF_TOKEN
 from homeassistant.core import DOMAIN as HOMEASSISTANT_DOMAIN
 from homeassistant.data_entry_flow import AbortFlow, FlowResult
 from homeassistant.helpers import config_entry_oauth2_flow
+from homeassistant.helpers.config_entry_oauth2_flow import LocalOAuth2Implementation
 from homeassistant.helpers.issue_registry import IssueSeverity, async_create_issue
 
 from .const import CONF_CHANNELS, CONF_REFRESH_TOKEN, DOMAIN, LOGGER, OAUTH_SCOPES
@@ -47,9 +48,13 @@ class OAuth2FlowHandler(
         data: dict[str, Any],
     ) -> FlowResult:
         """Handle the initial step."""
+        implementation = cast(
+            LocalOAuth2Implementation,
+            self.flow_impl,
+        )
 
         client = await Twitch(
-            app_id=self.flow_impl.__dict__[CONF_CLIENT_ID],
+            app_id=implementation.client_id,
             authenticate_app=False,
         )
         client.auto_refresh_auth = False