diff --git a/tests/federation/test_federation_server.py b/tests/federation/test_federation_server.py
index af15f4cc5..b08be451a 100644
--- a/tests/federation/test_federation_server.py
+++ b/tests/federation/test_federation_server.py
@@ -20,7 +20,6 @@ from synapse.federation.federation_server import server_matches_acl_event
 from tests import unittest
 
 
-@unittest.DEBUG
 class ServerACLsTestCase(unittest.TestCase):
     def test_blacklisted_server(self):
         e = _create_acl_event({"allow": ["*"], "deny": ["evil.com"]})
diff --git a/tests/http/federation/test_matrix_federation_agent.py b/tests/http/federation/test_matrix_federation_agent.py
index f97c8a59f..445a0e76a 100644
--- a/tests/http/federation/test_matrix_federation_agent.py
+++ b/tests/http/federation/test_matrix_federation_agent.py
@@ -67,7 +67,6 @@ def get_connection_factory():
     return test_server_connection_factory
 
 
-@unittest.DEBUG
 class MatrixFederationAgentTests(unittest.TestCase):
     def setUp(self):
         self.reactor = ThreadedMemoryReactorClock()
diff --git a/tests/test_visibility.py b/tests/test_visibility.py
index e0605dac2..18f1a0035 100644
--- a/tests/test_visibility.py
+++ b/tests/test_visibility.py
@@ -74,7 +74,6 @@ class FilterEventsForServerTestCase(tests.unittest.TestCase):
             self.assertEqual(events_to_filter[i].event_id, filtered[i].event_id)
             self.assertEqual(filtered[i].content["a"], "b")
 
-    @tests.unittest.DEBUG
     @defer.inlineCallbacks
     def test_erased_user(self):
         # 4 message events, from erased and unerased users, with a membership