How to hide the create button dynamical tree view in openerp ?

<tree create="false" edit="false" >

<tree attrs="{'create':[("uid",'=',1)]}" edit="false" >

<record>
        ...
        <field name="arch" type="xml">
            <xpath expr='//form[@string="Product"]' position='attributes'>
                <attribute name="create">false</attribute>
            </xpath>
        </field> ,
    </record>

<record ...>
    ...
    <form string="NAMEOFFORM" create="false" edit="false" version="7.0">
        ...
    </form>
</record>

<form create="false" edit="false">

<tree attrs="{'create':[("uid",'=',1)]}" edit="false" >