diff --git a/nova/tests/unit/network/test_manager.py b/nova/tests/unit/network/test_manager.py
index 8cea2abf4fe2..bd6070dc2bb3 100644
--- a/nova/tests/unit/network/test_manager.py
+++ b/nova/tests/unit/network/test_manager.py
@@ -3439,6 +3439,7 @@ domain1 = "example.org"
 domain2 = "example.com"
 
 
+@testtools.skipIf(six.PY3, 'python-ldap is not compatible for Python 3.')
 class LdapDNSTestCase(test.NoDBTestCase):
     """Tests nova.network.ldapdns.LdapDNS."""
     def setUp(self):
diff --git a/tests-py3.txt b/tests-py3.txt
index 24d2319d80d1..c4a1c459d051 100644
--- a/tests-py3.txt
+++ b/tests-py3.txt
@@ -10,7 +10,6 @@ nova.tests.unit.compute.test_compute.ComputeAPITestCase.test_create_with_base64_
 nova.tests.unit.compute.test_compute_cells.CellsComputeAPITestCase.test_create_with_base64_user_data
 nova.tests.unit.compute.test_compute_mgr.ComputeManagerUnitTestCase.test_run_pending_deletes
 nova.tests.unit.compute.test_host_api.ComputeHostAPICellsTestCase
-nova.tests.unit.network.test_manager.LdapDNSTestCase
 nova.tests.unit.test_matchers.TestDictMatches.test__str__
 nova.tests.unit.test_wsgi.TestWSGIServerWithSSL
 nova.tests.unit.virt.libvirt.test_firewall.IptablesFirewallTestCase