diff --git a/lib/xos-synchronizer/tests/steps/sync_controller_sites.py b/lib/xos-synchronizer/tests/steps/sync_controller_sites.py
index 509a45c..24aa76f 100644
--- a/lib/xos-synchronizer/tests/steps/sync_controller_sites.py
+++ b/lib/xos-synchronizer/tests/steps/sync_controller_sites.py
@@ -17,12 +17,10 @@
 import base64
 import json
 from xossynchronizer.steps.syncstep import SyncStep
-from xossynchronizer.mock_modelaccessor import *
 
 class SyncControllerSites(SyncStep):
     requested_interval = 0
-    provides = [Site]
-    observes = ControllerSite
+    observes = "ControllerSite"
     playbook = "sync_controller_sites.yaml"
 
     def fetch_pending(self, deleted=False):