diff --git a/tests/components/utility_meter/test_diagnostics.py b/tests/components/utility_meter/test_diagnostics.py
index 88521a91b7f..d32294bceb0 100644
--- a/tests/components/utility_meter/test_diagnostics.py
+++ b/tests/components/utility_meter/test_diagnostics.py
@@ -1,58 +1,22 @@
 """Test Utility Meter diagnostics."""
 
-from aiohttp.test_utils import TestClient
-from freezegun import freeze_time
 import pytest
 from syrupy.assertion import SnapshotAssertion
 from syrupy.filters import props
 
-from homeassistant.auth.models import Credentials
 from homeassistant.components.utility_meter.const import DOMAIN
 from homeassistant.components.utility_meter.sensor import ATTR_LAST_RESET
 from homeassistant.core import HomeAssistant, State
 
-from tests.common import (
-    CLIENT_ID,
-    MockConfigEntry,
-    MockUser,
-    mock_restore_cache_with_extra_data,
-)
+from tests.common import MockConfigEntry, mock_restore_cache_with_extra_data
 from tests.components.diagnostics import get_diagnostics_for_config_entry
 from tests.typing import ClientSessionGenerator
 
 
-async def generate_new_hass_access_token(
-    hass: HomeAssistant, hass_admin_user: MockUser, hass_admin_credential: Credentials
-) -> str:
-    """Return an access token to access Home Assistant."""
-    await hass.auth.async_link_user(hass_admin_user, hass_admin_credential)
-
-    refresh_token = await hass.auth.async_create_refresh_token(
-        hass_admin_user, CLIENT_ID, credential=hass_admin_credential
-    )
-    return hass.auth.async_create_access_token(refresh_token)
-
-
-def _get_test_client_generator(
-    hass: HomeAssistant, aiohttp_client: ClientSessionGenerator, new_token: str
-):
-    """Return a test client generator.""."""
-
-    async def auth_client() -> TestClient:
-        return await aiohttp_client(
-            hass.http.app, headers={"Authorization": f"Bearer {new_token}"}
-        )
-
-    return auth_client
-
-
-@freeze_time("2024-04-06 00:00:00+00:00")
-@pytest.mark.usefixtures("socket_enabled")
+@pytest.mark.freeze_time("2024-04-06 00:00:00+00:00")
 async def test_diagnostics(
     hass: HomeAssistant,
-    aiohttp_client: ClientSessionGenerator,
-    hass_admin_user: MockUser,
-    hass_admin_credential: Credentials,
+    hass_client: ClientSessionGenerator,
     snapshot: SnapshotAssertion,
 ) -> None:
     """Test generating diagnostics for a config entry."""
@@ -130,15 +94,6 @@ async def test_diagnostics(
     assert await hass.config_entries.async_setup(config_entry.entry_id)
     await hass.async_block_till_done()
 
-    # Since we are freezing time only when we enter this test, we need to
-    # manually create a new token and clients since the token created by
-    # the fixtures would not be valid.
-    new_token = await generate_new_hass_access_token(
-        hass, hass_admin_user, hass_admin_credential
-    )
-
-    diag = await get_diagnostics_for_config_entry(
-        hass, _get_test_client_generator(hass, aiohttp_client, new_token), config_entry
-    )
+    diag = await get_diagnostics_for_config_entry(hass, hass_client, config_entry)
 
     assert diag == snapshot(exclude=props("entry_id", "created_at", "modified_at"))