diff --git a/addons/sale/models/sale.py b/addons/sale/models/sale.py
index 9138614c99c..2481a79c1d8 100644
--- a/addons/sale/models/sale.py
+++ b/addons/sale/models/sale.py
@@ -181,10 +181,6 @@ class SaleOrder(models.Model):
     def _get_customer_lead(self, product_tmpl_id):
         return False
 
-    @api.multi
-    def button_dummy(self):
-        return True
-
     @api.multi
     def unlink(self):
         for order in self:
diff --git a/addons/sale/views/sale_views.xml b/addons/sale/views/sale_views.xml
index b9ca07fa696..09a4a37b1ce 100644
--- a/addons/sale/views/sale_views.xml
+++ b/addons/sale/views/sale_views.xml
@@ -366,8 +366,6 @@
                                 <field name="amount_tax" widget='monetary' options="{'currency_field': 'currency_id'}"/>
                                 <div class="oe_subtotal_footer_separator oe_inline o_td_label">
                                     <label for="amount_total" />
-                                    <button name="button_dummy"
-                                        states="draft,sent" string="(update)" type="object" class="oe_edit_only oe_link"/>
                                 </div>
                                 <field name="amount_total" nolabel="1" class="oe_subtotal_footer_separator" widget='monetary' options="{'currency_field': 'currency_id'}"/>
                             </group>