diff --git a/tests/pubsub/test_pubsub.py b/tests/pubsub/test_pubsub.py
index 438c48b2..5a397f85 100644
--- a/tests/pubsub/test_pubsub.py
+++ b/tests/pubsub/test_pubsub.py
@@ -86,7 +86,7 @@ async def test_get_hello_packet(pubsubs_fsub):
 
 @pytest.mark.parametrize("num_hosts", (1,))
 @pytest.mark.asyncio
-async def test_add_topic_validator(pubsubs_fsub):
+async def test_set_and_remove_topic_validator(pubsubs_fsub):
 
     is_sync_validator_called = False
 
@@ -131,6 +131,10 @@ async def test_add_topic_validator(pubsubs_fsub):
     assert is_async_validator_called
     assert not is_sync_validator_called
 
+    # Remove validator
+    pubsubs_fsub[0].remove_topic_validator(topic)
+    assert topic not in pubsubs_fsub[0].topic_validators
+
 
 class FakeNetStream:
     _queue: asyncio.Queue