diff --git a/openerp/addons/base/security/base_security.xml b/openerp/addons/base/security/base_security.xml
index 721d535f59b..6bbc547c918 100644
--- a/openerp/addons/base/security/base_security.xml
+++ b/openerp/addons/base/security/base_security.xml
@@ -17,10 +17,6 @@
             <field name="users" eval="[(4, ref('base.user_root'))]"/>
         </record>
 
-        <record id="base.default_user" model="res.users">
-            <field name="groups_id" eval="[(4,ref('base.group_system'))]"/>
-        </record>
-
         <record model="res.groups" id="group_user">
             <field name="name">Employee</field>
         </record>