diff --git a/tests/api/endpoints/admin/test_statistics.py b/tests/api/endpoints/admin/test_statistics.py
index f70cae4689..804446f03b 100644
--- a/tests/api/endpoints/admin/test_statistics.py
+++ b/tests/api/endpoints/admin/test_statistics.py
@@ -15,17 +15,8 @@ class FileOperationsInfoText(BaseTestCase):
 
     @patch("seahub.api2.endpoints.admin.statistics.EVENTS_ENABLED")
     @patch("seahub.api2.endpoints.admin.statistics.is_pro_version")
-    @patch("seahub.api2.endpoints.admin.statistics.get_file_ops_stats")
     @patch("seahub.api2.endpoints.admin.statistics.get_file_ops_stats_by_day")
-    def test_can_get_file_audit_stats(self, mock_get_file_audit_stats_by_day, mock_get_file_audit_stats, 
-                                      mock_is_pro, mock_events_enabled):
-        mock_get_file_audit_stats.return_value = [
-            (datetime.datetime(2017, 6, 2, 7, 0), u'Added', 2L),
-            (datetime.datetime(2017, 6, 2, 7, 0), u'Deleted', 2L),
-            (datetime.datetime(2017, 6, 2, 7, 0), u'Visited', 2L),
-            (datetime.datetime(2017, 6, 2, 8, 0), u'Added', 3L),
-            (datetime.datetime(2017, 6, 2, 8, 0), u'Deleted', 4L),
-            (datetime.datetime(2017, 6, 2, 8, 0), u'Visited', 5L)]
+    def test_can_get_file_audit_stats(self, mock_get_file_audit_stats_by_day, mock_is_pro, mock_events_enabled):
         mock_get_file_audit_stats_by_day.return_value = [
             (datetime.datetime(2017, 6, 2, 4, 2), u'Added', 2L),
             (datetime.datetime(2017, 6, 2, 4, 2), u'Deleted', 2L),
@@ -34,17 +25,7 @@ class FileOperationsInfoText(BaseTestCase):
         mock_is_pro.return_value = True
         mock_events_enabled = True
         url = reverse('api-v2.1-admin-statistics-file-operations')
-        url += "?start=2017-06-01 07:00:00&end=2017-06-03 07:00:00&group_by=hour"
-        resp = self.client.get(url)
-        json_resp = json.loads(resp.content)
-        self.assertEqual(200, resp.status_code)
-        data = {'datetime': datetime_to_isoformat_timestr(datetime.datetime(2017, 6, 2, 7, 0)), 
-                'added': 2L, 'deleted': 2L, 'visited': 2L}
-        assert data in json_resp
-        data = {'datetime': datetime_to_isoformat_timestr(datetime.datetime(2017, 6, 2, 8, 0)), 
-                'added': 3L, 'deleted': 4L, 'visited': 5L}
-        assert data in json_resp
-        url += "?start=2017-06-01 07:00:00&end=2017-06-03 07:00:00&group_by=day"
+        url += "?start=2017-06-01 07:00:00&end=2017-06-03 07:00:00"
         resp = self.client.get(url)
         json_resp = json.loads(resp.content)
         self.assertEqual(200, resp.status_code)