diff --git a/homeassistant/components/auth/__init__.py b/homeassistant/components/auth/__init__.py
index bcdcf4de747..359f67ed0a5 100644
--- a/homeassistant/components/auth/__init__.py
+++ b/homeassistant/components/auth/__init__.py
@@ -124,11 +124,7 @@ from aiohttp import web
 import voluptuous as vol
 
 from homeassistant.auth import InvalidAuthError
-from homeassistant.auth.models import (
-    TOKEN_TYPE_LONG_LIVED_ACCESS_TOKEN,
-    Credentials,
-    User,
-)
+from homeassistant.auth.models import TOKEN_TYPE_LONG_LIVED_ACCESS_TOKEN, Credentials
 from homeassistant.components import websocket_api
 from homeassistant.components.http.auth import async_sign_path
 from homeassistant.components.http.ban import log_invalid_auth
@@ -179,15 +175,12 @@ SCHEMA_WS_SIGN_PATH = websocket_api.BASE_COMMAND_MESSAGE_SCHEMA.extend(
 )
 
 RESULT_TYPE_CREDENTIALS = "credentials"
-RESULT_TYPE_USER = "user"
 
 
 @bind_hass
-def create_auth_code(
-    hass, client_id: str, credential_or_user: Credentials | User
-) -> str:
+def create_auth_code(hass, client_id: str, credential: Credentials) -> str:
     """Create an authorization code to fetch tokens."""
-    return hass.data[DOMAIN](client_id, credential_or_user)
+    return hass.data[DOMAIN](client_id, credential)
 
 
 async def async_setup(hass, config):
@@ -296,7 +289,7 @@ class TokenView(HomeAssistantView):
                 status_code=HTTPStatus.BAD_REQUEST,
             )
 
-        credential = self._retrieve_auth(client_id, RESULT_TYPE_CREDENTIALS, code)
+        credential = self._retrieve_auth(client_id, code)
 
         if credential is None or not isinstance(credential, Credentials):
             return self.json(
@@ -399,9 +392,7 @@ class LinkUserView(HomeAssistantView):
         hass = request.app["hass"]
         user = request["hass_user"]
 
-        credentials = self._retrieve_credentials(
-            data["client_id"], RESULT_TYPE_CREDENTIALS, data["code"]
-        )
+        credentials = self._retrieve_credentials(data["client_id"], data["code"])
 
         if credentials is None:
             return self.json_message("Invalid code", status_code=HTTPStatus.BAD_REQUEST)
@@ -426,30 +417,25 @@ def _create_auth_code_store():
     @callback
     def store_result(client_id, result):
         """Store flow result and return a code to retrieve it."""
-        if isinstance(result, User):
-            result_type = RESULT_TYPE_USER
-        elif isinstance(result, Credentials):
-            result_type = RESULT_TYPE_CREDENTIALS
-        else:
-            raise ValueError("result has to be either User or Credentials")
+        if not isinstance(result, Credentials):
+            raise ValueError("result has to be a Credentials instance")
 
         code = uuid.uuid4().hex
-        temp_results[(client_id, result_type, code)] = (
+        temp_results[(client_id, code)] = (
             dt_util.utcnow(),
-            result_type,
             result,
         )
         return code
 
     @callback
-    def retrieve_result(client_id, result_type, code):
+    def retrieve_result(client_id, code):
         """Retrieve flow result."""
-        key = (client_id, result_type, code)
+        key = (client_id, code)
 
         if key not in temp_results:
             return None
 
-        created, _, result = temp_results.pop(key)
+        created, result = temp_results.pop(key)
 
         # OAuth 4.2.1
         # The authorization code MUST expire shortly after it is issued to
diff --git a/tests/components/auth/test_init.py b/tests/components/auth/test_init.py
index 2c96f545b41..53cc291a5db 100644
--- a/tests/components/auth/test_init.py
+++ b/tests/components/auth/test_init.py
@@ -3,10 +3,11 @@ from datetime import timedelta
 from http import HTTPStatus
 from unittest.mock import patch
 
+import pytest
+
 from homeassistant.auth import InvalidAuthError
 from homeassistant.auth.models import Credentials
 from homeassistant.components import auth
-from homeassistant.components.auth import RESULT_TYPE_USER
 from homeassistant.setup import async_setup_component
 from homeassistant.util.dt import utcnow
 
@@ -15,6 +16,18 @@ from . import async_setup_auth
 from tests.common import CLIENT_ID, CLIENT_REDIRECT_URI, MockUser
 
 
+@pytest.fixture
+def mock_credential():
+    """Return a mock credential."""
+    return Credentials(
+        id="mock-credential-id",
+        auth_provider_type="insecure_example",
+        auth_provider_id=None,
+        data={"username": "test-user"},
+        is_new=False,
+    )
+
+
 async def async_setup_user_refresh_token(hass):
     """Create a testing user with a connected credential."""
     user = await hass.auth.async_create_user("Test User")
@@ -96,29 +109,38 @@ async def test_login_new_user_and_trying_refresh_token(hass, aiohttp_client):
     assert resp.status == HTTPStatus.OK
 
 
-def test_auth_code_store_expiration():
+def test_auth_code_store_expiration(mock_credential):
     """Test that the auth code store will not return expired tokens."""
     store, retrieve = auth._create_auth_code_store()
     client_id = "bla"
-    user = MockUser(id="mock_user")
     now = utcnow()
 
     with patch("homeassistant.util.dt.utcnow", return_value=now):
-        code = store(client_id, user)
+        code = store(client_id, mock_credential)
 
     with patch(
         "homeassistant.util.dt.utcnow", return_value=now + timedelta(minutes=10)
     ):
-        assert retrieve(client_id, RESULT_TYPE_USER, code) is None
+        assert retrieve(client_id, code) is None
 
     with patch("homeassistant.util.dt.utcnow", return_value=now):
-        code = store(client_id, user)
+        code = store(client_id, mock_credential)
 
     with patch(
         "homeassistant.util.dt.utcnow",
         return_value=now + timedelta(minutes=9, seconds=59),
     ):
-        assert retrieve(client_id, RESULT_TYPE_USER, code) == user
+        assert retrieve(client_id, code) == mock_credential
+
+
+def test_auth_code_store_requires_credentials(mock_credential):
+    """Test we require credentials."""
+    store, _retrieve = auth._create_auth_code_store()
+
+    with pytest.raises(ValueError):
+        store(None, MockUser())
+
+    store(None, mock_credential)
 
 
 async def test_ws_current_user(hass, hass_ws_client, hass_access_token):