diff --git a/vmware_nsx/tests/unit/nsx_v/test_plugin.py b/vmware_nsx/tests/unit/nsx_v/test_plugin.py
index e0dbcb99f8..8e9cbb2e67 100644
--- a/vmware_nsx/tests/unit/nsx_v/test_plugin.py
+++ b/vmware_nsx/tests/unit/nsx_v/test_plugin.py
@@ -2498,23 +2498,6 @@ class TestExclusiveRouterTestCase(L3NatTest, L3NatTestCaseBase,
             for k, v in expected:
                 self.assertEqual(net['network'][k], v)
 
-    def test_router_add_interface_delete_port_after_failure(self):
-        # Clone the same function in neutron/tests/unit/extensions/test_l3.py,
-        # but change self.subnet() to self.subnet(enable_dhcp=False).
-        with self.router() as r, self.subnet(enable_dhcp=False) as s:
-            plugin = manager.NeutronManager.get_plugin()
-            # inject a failure in the update port that happens at the end
-            # to ensure the port gets deleted
-            with mock.patch.object(
-                    plugin, 'update_port',
-                    side_effect=n_exc.InvalidInput(error_message='x')):
-                self._router_interface_action('add',
-                                              r['router']['id'],
-                                              s['subnet']['id'],
-                                              None,
-                                              webob.exc.HTTPBadRequest.code)
-                self.assertFalse(plugin.get_ports(context.get_admin_context()))
-
     def test_create_router_fail_at_the_backend(self):
         p = manager.NeutronManager.get_plugin()
         edge_manager = p.edge_manager
@@ -3326,23 +3309,6 @@ class TestVdrTestCase(L3NatTest, L3NatTestCaseBase,
     def test_floatingip_same_external_and_internal(self):
         self.skipTest('skipped')
 
-    def test_router_add_interface_delete_port_after_failure(self):
-        # Clone the same function in neutron/tests/unit/extensions/test_l3.py,
-        # but change self.subnet() to self.subnet(enable_dhcp=False).
-        with self.router() as r, self.subnet(enable_dhcp=False) as s:
-            plugin = manager.NeutronManager.get_plugin()
-            # inject a failure in the update port that happens at the end
-            # to ensure the port gets deleted
-            with mock.patch.object(
-                    plugin, 'update_port',
-                    side_effect=n_exc.InvalidInput(error_message='x')):
-                self._router_interface_action('add',
-                                              r['router']['id'],
-                                              s['subnet']['id'],
-                                              None,
-                                              webob.exc.HTTPBadRequest.code)
-                self.assertFalse(plugin.get_ports(context.get_admin_context()))
-
     def test_create_router_fail_at_the_backend(self):
         p = manager.NeutronManager.get_plugin()
         edge_manager = p.edge_manager