diff --git a/addons/plugin_outlook/plugin_outlook.xml b/addons/plugin_outlook/plugin_outlook.xml
index 0ae9b544379..f94fccc89e5 100644
--- a/addons/plugin_outlook/plugin_outlook.xml
+++ b/addons/plugin_outlook/plugin_outlook.xml
@@ -14,8 +14,6 @@
                     <separator string="title" position="before">
                         <label string="This plug-in allows you to create and link outlook emails with openerp objects."/>
                     </separator>
-                    <xpath expr="//button[@string='Cancel']" position="replace">
-                    </xpath>
                    <xpath expr="//separator[@string='title']" position="after">
                         <group colspan="8" height="450" width="750">
                             <field name="name" widget="url" colspan="4"/>
diff --git a/addons/plugin_thunderbird/plugin_thunderbird.xml b/addons/plugin_thunderbird/plugin_thunderbird.xml
index af26c7857fa..d54c22cb5da 100644
--- a/addons/plugin_thunderbird/plugin_thunderbird.xml
+++ b/addons/plugin_thunderbird/plugin_thunderbird.xml
@@ -14,7 +14,6 @@
                      <separator string="title" position="before">
                         <label string="This plug-in allows you to link your e-mail to OpenERP's documents. You can attach it to any existing one in OpenERP or create a new one."/>
                     </separator>
-                    <xpath expr="//button[@string='Cancel']" position="replace"></xpath>
                     <xpath expr="//separator[@string='title']" position="after">
                         <group colspan="8" height="450" width="750">
                             <field name="thunderbird" invisible="1"/>
@@ -45,7 +44,7 @@
           <field name="view_mode">form</field>
           <field name="target">new</field>
         </record>
-    
+
         <!-- Sales Configuration -->
         <record id="view_config_thunderbird_installer" model="ir.ui.view">
             <field name="name">Sales Application</field>