diff --git a/addons/sync_base/sync_base.py b/addons/sync_base/sync_base.py
index f6116225525..f4316889567 100644
--- a/addons/sync_base/sync_base.py
+++ b/addons/sync_base/sync_base.py
@@ -27,13 +27,6 @@ from osv import fields,osv,orm
 class res_partner_sync_base:
     _inherit = "res.partner.address"
 
-    _columns = {
-        'sync_google':fields.boolean('Synchronize with Google', required=False),     
-    }    
-    _defaults = {
-        'sync_google':lambda *a:True
-        }
-         
     def create(self, cr, uid, vals, context=None):
         id = super(res_partner_sync_base, self).create(cr, uid, vals, context=context)   
         return id 
@@ -53,7 +46,7 @@ class res_partner_sync_base:
     def sync_modify(self, cr, uid, ids, vals, context=None, synchronize=True):
         return True    
  
-    def sync_modify(self, cr, uid, ids,context=None, synchronize=True):
+    def sync_unlink(self, cr, uid, ids,context=None, synchronize=True):
         return True      
 
 res_partner_sync_base()
diff --git a/addons/sync_google_contact/sync_google_contact.py b/addons/sync_google_contact/sync_google_contact.py
index f4ca8ce17b8..e9c79576e3b 100644
--- a/addons/sync_google_contact/sync_google_contact.py
+++ b/addons/sync_google_contact/sync_google_contact.py
@@ -66,6 +66,16 @@ class google_lib(object):
         self.contact.DeleteContact(selected_entry.GetEditLink().href)        
         return True
 
+class res_partner_sync_base:
+    _inherit = "res.partner.address"
+
+    _columns = {
+        'sync_google':fields.boolean('Synchronize with Google'),   
+        'google_id': fields.char('Google Contact Id', size=128, readonly=True),  
+    }    
+    
+
+res_partner_sync_base()
 
 
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