diff --git a/xos/attic/cordsubscriberroot_model.py b/xos/attic/cordsubscriberroot_model.py
index 7c7e7b5..ef174c4 100644
--- a/xos/attic/cordsubscriberroot_model.py
+++ b/xos/attic/cordsubscriberroot_model.py
@@ -114,32 +114,22 @@
     # Dirty all vSGs related to this subscriber, so the vSG synchronizer
     # will run.
 
-    # TODO: This should be reimplemented to use a watcher instead.
-
-    # TODO: Hardcoded service dependency
-
-    from services.volt.models import VOLTTenant
-    from services.vsg.models import VSGTenant
+    # TODO: This should be reimplemented when multiple-objects-per-synchronizer is implemented.
 
     for link in self.subscribed_links.all():
-        # cast from base class to derived class
-        volts = VOLTTenant.objects.filter(serviceinstance_ptr = link.provider_service_instance)
-        for volt in volts:
-            for inner_link in volt.subscribed_links.all():
-                # cast from base class to derived class
-                vsgs = VSGTenant.objects.filter(serviceinstance_ptr = inner_link.provider_service_instance)
-                for vsg in vsgs:
-                    vsg.save()
+        outer_service_instance = link.provider_service_instance
+        for link in outer_service_instance.subscribed_links.all():
+            inner_service_instance = link.provider_service_instance
+            inner_service_instance.save(update_fields = ["updated"])
 
 def __xos_save_base(self, *args, **kwargs):
     self.validate_unique_service_specific_id(none_okay=True)
     if (not hasattr(self, 'caller') or not self.caller.is_admin):
         if (self.has_field_changed("service_specific_id")):
             raise XOSPermissionDenied("You do not have permission to change service_specific_id")
-    
+
     super(CordSubscriberRoot, self).save(*args, **kwargs)
 
     self.invalidate_related_objects()
 
     return True     # Indicate that we called super.save()
-