diff --git a/glance/api/v2/metadef_namespaces.py b/glance/api/v2/metadef_namespaces.py
index 9afab9dc..3bd44907 100644
--- a/glance/api/v2/metadef_namespaces.py
+++ b/glance/api/v2/metadef_namespaces.py
@@ -549,6 +549,9 @@ class ResponseSerializer(wsgi.JSONResponseSerializer):
     def delete_properties(self, response, result):
         response.status_int = http.NO_CONTENT
 
+    def delete_tags(self, response, result):
+        response.status_int = http.NO_CONTENT
+
     def __render(self, json_data, response, response_status=None):
         body = jsonutils.dumps(json_data, ensure_ascii=False)
         response.unicode_body = six.text_type(body)
diff --git a/glance/tests/unit/v2/test_metadef_resources.py b/glance/tests/unit/v2/test_metadef_resources.py
index 8a5f3f2f..2f120b64 100644
--- a/glance/tests/unit/v2/test_metadef_resources.py
+++ b/glance/tests/unit/v2/test_metadef_resources.py
@@ -2064,3 +2064,16 @@ class TestMetadefsControllers(base.IsolatedUnitTest):
                           self.tag_controller.update, request, tag,
                           NAMESPACE4, TAG1)
         self.assertNotificationsLog([])
+
+
+class TestMetadefNamespaceResponseSerializers(base.IsolatedUnitTest):
+
+    def setUp(self):
+        super(TestMetadefNamespaceResponseSerializers, self).setUp()
+        self.serializer = namespaces.ResponseSerializer(schema={})
+        self.response = mock.Mock()
+        self.result = mock.Mock()
+
+    def test_delete_tags(self):
+        self.serializer.delete_tags(self.response, self.result)
+        self.assertEqual(204, self.response.status_int)