diff --git a/openerp/addons/base/ir/ir_actions.py b/openerp/addons/base/ir/ir_actions.py
index db3c7fcdbae..236c6af7119 100644
--- a/openerp/addons/base/ir/ir_actions.py
+++ b/openerp/addons/base/ir/ir_actions.py
@@ -510,7 +510,7 @@ class actions_server(osv.osv):
         'code':fields.text('Python Code', help="Python code to be executed if condition is met.\n"
                                                "It is a Python block that can use the same values as for the condition field"),
         'sequence': fields.integer('Sequence', help="Important when you deal with multiple actions, the execution order will be decided based on this, low number is higher priority."),
-        'model_id': fields.many2one('ir.model', 'Object', required=True, help="Select the object on which the action will work (read, write, create).", ondelete='cascade'),
+        'model_id': fields.many2one('ir.model', 'Object', required=True, help="Select the object on which the action will work (read, write, create)."),
         'action_id': fields.many2one('ir.actions.actions', 'Client Action', help="Select the Action Window, Report, Wizard to be executed."),
         'trigger_name': fields.selection(_select_signals, string='Trigger Signal', size=128, help="The workflow signal to trigger"),
         'wkf_model_id': fields.many2one('ir.model', 'Target Object', help="The object that should receive the workflow signal (must have an associated workflow)"),
diff --git a/openerp/addons/base/ir/ir_model.py b/openerp/addons/base/ir/ir_model.py
index 012bf2028d1..a85c83e07d6 100644
--- a/openerp/addons/base/ir/ir_model.py
+++ b/openerp/addons/base/ir/ir_model.py
@@ -861,11 +861,10 @@ class ir_model_data(osv.osv):
         process_query = 'select id,name,model,res_id,module from ir_model_data where module IN (' + module_in + ')'
         process_query+= ' and noupdate=%s'
         to_unlink = []
-        cr.execute( process_query, modules + [False])
+        cr.execute(process_query, modules + [False])
         for (id, name, model, res_id,module) in cr.fetchall():
             if (module,name) not in self.loads:
                 to_unlink.append((model,res_id))
-                self.pool.get(model).unlink(cr, uid, [res_id])
         if not config.get('import_partial'):
             for (model, res_id) in to_unlink:
                 if self.pool.get(model):
diff --git a/openerp/addons/base/ir/ir_rule.py b/openerp/addons/base/ir/ir_rule.py
index 227f0eb32b9..0626b2b9c1e 100644
--- a/openerp/addons/base/ir/ir_rule.py
+++ b/openerp/addons/base/ir/ir_rule.py
@@ -75,7 +75,7 @@ class ir_rule(osv.osv):
 
     _columns = {
         'name': fields.char('Name', size=128, select=1),
-        'model_id': fields.many2one('ir.model', 'Object',select=1, required=True, ondelete='cascade'),
+        'model_id': fields.many2one('ir.model', 'Object',select=1, required=True),
         'global': fields.function(_get_value, string='Global', type='boolean', store=True, help="If no group is specified the rule is global and applied to everyone"),
         'groups': fields.many2many('res.groups', 'rule_group_rel', 'rule_group_id', 'group_id', 'Groups'),
         'domain_force': fields.text('Domain'),