diff --git a/cinder/tests/zonemanager/__init__.py b/cinder/tests/zonemanager/__init__.py
index 31285c4fc21..e69de29bb2d 100644
--- a/cinder/tests/zonemanager/__init__.py
+++ b/cinder/tests/zonemanager/__init__.py
@@ -1,14 +0,0 @@
-# Copyright 2011 OpenStack Foundation
-# All Rights Reserved.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
diff --git a/cinder/tests/zonemanager/test_brcd_fc_san_lookup_service.py b/cinder/tests/zonemanager/test_brcd_fc_san_lookup_service.py
index 52ba43fd6fd..ca9c3a8920f 100644
--- a/cinder/tests/zonemanager/test_brcd_fc_san_lookup_service.py
+++ b/cinder/tests/zonemanager/test_brcd_fc_san_lookup_service.py
@@ -73,9 +73,8 @@ class TestBrcdFCSanLookupService(brcd_lookup.BrcdFCSanLookupService,
                                          default=22, help=''))
         fc_fabric_opts.append(cfg.StrOpt('principal_switch_wwn',
                                          default='100000051e55a100', help=''))
-        self.fabric_configs = {}
         config = conf.Configuration(fc_fabric_opts, 'BRCD_FAB_2')
-        self.fabric_configs['BRCD_FAB_2'] = config
+        self.fabric_configs = {'BRCD_FAB_2': config}
 
     @mock.patch.object(brcd_lookup.BrcdFCSanLookupService,
                        'get_nameserver_info')
diff --git a/cinder/tests/zonemanager/test_volume_manager_fc.py b/cinder/tests/zonemanager/test_volume_manager_fc.py
index d44a4a7e50f..a4d3ce3a5d4 100644
--- a/cinder/tests/zonemanager/test_volume_manager_fc.py
+++ b/cinder/tests/zonemanager/test_volume_manager_fc.py
@@ -71,6 +71,13 @@ class TestVolumeManager(manager.VolumeManager, test.TestCase):
         self.zonemanager = fc_zone_manager.ZoneManager(
             configuration=self.configuration)
 
+    def tearDown(self):
+        super(TestVolumeManager, self).tearDown()
+        self.configuration = None
+        self.db = None
+        self.driver = None
+        self.zonemanager = None
+
     def __init__(self, *args, **kwargs):
         test.TestCase.__init__(self, *args, **kwargs)