diff --git a/nova/tests/functional/api_sample_tests/test_aggregates.py b/nova/tests/functional/api_sample_tests/test_aggregates.py
index c8b1b8478..079183851 100644
--- a/nova/tests/functional/api_sample_tests/test_aggregates.py
+++ b/nova/tests/functional/api_sample_tests/test_aggregates.py
@@ -38,29 +38,25 @@ class AggregatesSampleJsonTest(api_sample_base.ApiSampleTestBaseV21):
             "aggregate_id": '(?P<id>\d+)'
         }
         response = self._do_post('os-aggregates', 'aggregate-post-req', subs)
-        subs.update(self._get_regexes())
         return self._verify_response('aggregate-post-resp',
                                      subs, response, 200)
 
     def test_list_aggregates(self):
         self.test_aggregate_create()
         response = self._do_get('os-aggregates')
-        subs = self._get_regexes()
-        self._verify_response('aggregates-list-get-resp', subs, response, 200)
+        self._verify_response('aggregates-list-get-resp', {}, response, 200)
 
     def test_aggregate_get(self):
         agg_id = self.test_aggregate_create()
         response = self._do_get('os-aggregates/%s' % agg_id)
-        subs = self._get_regexes()
-        self._verify_response('aggregates-get-resp', subs, response, 200)
+        self._verify_response('aggregates-get-resp', {}, response, 200)
 
     def test_add_metadata(self):
         agg_id = self.test_aggregate_create()
         response = self._do_post('os-aggregates/%s/action' % agg_id,
                                  'aggregate-metadata-post-req',
                                  {'action': 'set_metadata'})
-        subs = self._get_regexes()
-        self._verify_response('aggregates-metadata-post-resp', subs,
+        self._verify_response('aggregates-metadata-post-resp', {},
                               response, 200)
 
     def test_add_host(self):
@@ -70,7 +66,6 @@ class AggregatesSampleJsonTest(api_sample_base.ApiSampleTestBaseV21):
         }
         response = self._do_post('os-aggregates/%s/action' % aggregate_id,
                                  'aggregate-add-host-post-req', subs)
-        subs.update(self._get_regexes())
         self._verify_response('aggregates-add-host-post-resp', subs,
                               response, 200)
 
@@ -81,7 +76,6 @@ class AggregatesSampleJsonTest(api_sample_base.ApiSampleTestBaseV21):
         }
         response = self._do_post('os-aggregates/1/action',
                                  'aggregate-remove-host-post-req', subs)
-        subs.update(self._get_regexes())
         self._verify_response('aggregates-remove-host-post-resp',
                               subs, response, 200)
 
@@ -89,6 +83,5 @@ class AggregatesSampleJsonTest(api_sample_base.ApiSampleTestBaseV21):
         aggregate_id = self.test_aggregate_create()
         response = self._do_put('os-aggregates/%s' % aggregate_id,
                                   'aggregate-update-post-req', {})
-        subs = self._get_regexes()
         self._verify_response('aggregate-update-post-resp',
-                              subs, response, 200)
+                              {}, response, 200)