diff --git a/tests/conftest.py b/tests/conftest.py
index 72909e40e..843dec063 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -40,6 +40,7 @@ def sys_machine():
 
 @pytest.fixture
 def sys_supervisor():
+    """Mock sys_supervisor."""
     with patch(
         "supervisor.coresys.CoreSys.supervisor", new_callable=PropertyMock
     ) as mock:
diff --git a/tests/test_arch.py b/tests/test_arch.py
index d1c7269ca..2ee57a859 100644
--- a/tests/test_arch.py
+++ b/tests/test_arch.py
@@ -4,8 +4,8 @@ from unittest.mock import patch
 import pytest
 
 
-@pytest.fixture(autouse=True)
-def mock_detect_cpu():
+@pytest.fixture(name="mock_detect_cpu", autouse=True)
+def mock_detect_cpu_fixture():
     """Mock cpu detection."""
     with patch("platform.machine") as detect_mock:
         detect_mock.return_value = "Unknown"
diff --git a/tests/utils/test_tarfile.py b/tests/utils/test_tarfile.py
index d0b70dfe4..3cbaf61a2 100644
--- a/tests/utils/test_tarfile.py
+++ b/tests/utils/test_tarfile.py
@@ -1,14 +1,13 @@
 """Test Tarfile functions."""
 
 import attr
-import pytest
 
 from supervisor.utils.tar import secure_path, exclude_filter
 
 
 @attr.s
 class TarInfo:
-    """Fake TarInfo"""
+    """Fake TarInfo."""
 
     name: str = attr.ib()