diff --git a/xos/core/models/flavor.py b/xos/core/models/flavor.py
index 3d6b9bb..8251eb1 100644
--- a/xos/core/models/flavor.py
+++ b/xos/core/models/flavor.py
@@ -18,6 +18,10 @@
         app_label = "core"
         ordering = ('order', 'name')
 
+    def __init__(self, *args, **kwargs):
+        super(Flavor, self).__init__(*args, **kwargs)
+        self.no_sync=True
+
     def __unicode__(self):  return u'%s' % (self.name)
 
 """ FlavorParameterType and FlavorParameter are below for completeness sake,
diff --git a/xos/core/models/site.py b/xos/core/models/site.py
index 42855a9..26ff191 100644
--- a/xos/core/models/site.py
+++ b/xos/core/models/site.py
@@ -168,6 +168,9 @@
     #    given a default of 'allow site <site_of_creator>'
     accessControl = models.TextField(max_length=200, blank=False, null=False, default="allow all",
                                      help_text="Access control list that specifies which sites/users may use nodes in this deployment")
+    def __init__(self, *args, **kwargs):
+        super(Deployment, self).__init__(*args, **kwargs)
+        self.no_sync=True
 
     def get_acl(self):
         return AccessControlList(self.accessControl)
@@ -261,7 +264,10 @@
     admin_tenant = StrippedCharField(max_length=200, null=True, blank=True, help_text="Name of the tenant the admin user belongs to")
     domain = StrippedCharField(max_length=200, null=True, blank=True, help_text="Name of the domain this controller belongs to")
     deployment = models.ForeignKey(Deployment,related_name='controllerdeployments')
-   
+
+    def __init__(self, *args, **kwargs):
+        super(Controller, self).__init__(*args, **kwargs)
+        self.no_sync=True
 
     def __unicode__(self):  return u'%s %s %s' % (self.name, self.backend_type, self.version)