diff --git a/tests/components/google_pubsub/test_pubsub.py b/tests/components/google_pubsub/test_pubsub.py
index 8f732b8e3df..77ca4ed8bd7 100644
--- a/tests/components/google_pubsub/test_pubsub.py
+++ b/tests/components/google_pubsub/test_pubsub.py
@@ -4,7 +4,7 @@ from datetime import datetime
 from homeassistant.components.google_pubsub import DateTimeJSONEncoder as victim
 
 
-class TestDateTimeJSONEncoder(object):
+class TestDateTimeJSONEncoder:
     """Bundle for DateTimeJSONEncoder tests."""
 
     def test_datetime(self):
diff --git a/tests/components/mqtt/test_light_json.py b/tests/components/mqtt/test_light_json.py
index 1223f3525c4..824085ea833 100644
--- a/tests/components/mqtt/test_light_json.py
+++ b/tests/components/mqtt/test_light_json.py
@@ -136,7 +136,7 @@ DEFAULT_CONFIG = {
 }
 
 
-class JsonValidator(object):
+class JsonValidator:
     """Helper to compare JSON."""
 
     def __init__(self, jsondata):
diff --git a/tests/components/roku/__init__.py b/tests/components/roku/__init__.py
index b46e57a38bd..4cb7c851bd9 100644
--- a/tests/components/roku/__init__.py
+++ b/tests/components/roku/__init__.py
@@ -12,7 +12,7 @@ UPNP_FRIENDLY_NAME = "My Roku 3"
 UPNP_SERIAL = "1GU48T017973"
 
 
-class MockDeviceInfo(object):
+class MockDeviceInfo:
     """Mock DeviceInfo for Roku."""
 
     model_name = NAME
diff --git a/tests/components/vizio/const.py b/tests/components/vizio/const.py
index 034fa23a3af..e3d09977c1f 100644
--- a/tests/components/vizio/const.py
+++ b/tests/components/vizio/const.py
@@ -47,7 +47,7 @@ RESPONSE_TOKEN = 1234
 PIN = "abcd"
 
 
-class MockStartPairingResponse(object):
+class MockStartPairingResponse:
     """Mock Vizio start pairing response."""
 
     def __init__(self, ch_type: int, token: int) -> None:
@@ -56,7 +56,7 @@ class MockStartPairingResponse(object):
         self.token = token
 
 
-class MockCompletePairingResponse(object):
+class MockCompletePairingResponse:
     """Mock Vizio complete pairing response."""
 
     def __init__(self, auth_token: str) -> None: