diff --git a/nova/tests/virt/vmwareapi/test_imagecache.py b/nova/tests/virt/vmwareapi/test_imagecache.py
index fd4090f3e2..732aa6f899 100644
--- a/nova/tests/virt/vmwareapi/test_imagecache.py
+++ b/nova/tests/virt/vmwareapi/test_imagecache.py
@@ -61,13 +61,11 @@ class ImageCacheManagerTestCase(test.NoDBTestCase):
         ) as (_get_timestamp, _file_delete):
             self.exists = False
             self._imagecache.timestamp_cleanup(
-                    'fake-dc-ref', 'fake-ds-browser', 'fake-ds-ref',
-                    'fake-ds-name', 'fake-ds-path')
+                    'fake-dc-ref', 'fake-ds-browser', 'fake-ds-path')
             self.assertEqual(0, _file_delete.call_count)
             self.exists = True
             self._imagecache.timestamp_cleanup(
-                    'fake-dc-ref', 'fake-ds-browser', 'fake-ds-ref',
-                    'fake-ds-name', 'fake-ds-path')
+                    'fake-dc-ref', 'fake-ds-browser', 'fake-ds-path')
             _file_delete.assert_called_once_with(self._session,
                     'fake-ds-path/ts-2012-11-22-12-00-00',
                     'fake-dc-ref')
@@ -169,8 +167,7 @@ class ImageCacheManagerTestCase(test.NoDBTestCase):
         def fake_file_delete(session, path, dc_ref):
             self.assertEqual('fake-ds-path/fake-image-3', path)
 
-        def fake_timestamp_cleanup(dc_ref, ds_browser,
-                                   ds_ref, ds_name, path):
+        def fake_timestamp_cleanup(dc_ref, ds_browser, path):
             self.assertEqual('fake-ds-path/fake-image-4', path)
 
         with contextlib.nested(
diff --git a/nova/virt/vmwareapi/imagecache.py b/nova/virt/vmwareapi/imagecache.py
index 146e594bff..617c78833b 100644
--- a/nova/virt/vmwareapi/imagecache.py
+++ b/nova/virt/vmwareapi/imagecache.py
@@ -80,8 +80,7 @@ class ImageCacheManager(imagecache.ImageCacheManager):
         """Returns the timestamp folder."""
         return '%s/%s' % (ds_path, image_id)
 
-    def timestamp_cleanup(self, dc_ref, ds_browser,
-                          ds_ref, ds_name, ds_path):
+    def timestamp_cleanup(self, dc_ref, ds_browser, ds_path):
         ts = self._get_timestamp(ds_browser, ds_path)
         if ts:
             ts_path = '%s/%s' % (ds_path, ts)
@@ -163,7 +162,6 @@ class ImageCacheManager(imagecache.ImageCacheManager):
             with lockutils.lock(path, lock_file_prefix='nova-vmware-ts',
                                 external=True):
                 self.timestamp_cleanup(dc_info.ref, ds_browser,
-                                       datastore['ref'], datastore['name'],
                                        path)
 
     def update(self, context, instances, datastores_info):
diff --git a/nova/virt/vmwareapi/vmops.py b/nova/virt/vmwareapi/vmops.py
index 3413d9bb6a..14cb8e2f6b 100755
--- a/nova/virt/vmwareapi/vmops.py
+++ b/nova/virt/vmwareapi/vmops.py
@@ -315,7 +315,7 @@ class VMwareVMOps(object):
                 with lockutils.lock(path, lock_file_prefix='nova-vmware-ts',
                                     external=True):
                     self._imagecache.timestamp_cleanup(dc_info.ref, ds_browser,
-                            data_store_ref, data_store_name, path)
+                                                       path)
 
             # Check if the image exists in the datastore cache. If not the
             # image will be uploaded and cached.