diff --git a/addons/web/static/src/js/views/form_view.js b/addons/web/static/src/js/views/form_view.js
index faa9bae26cd..e40598741b4 100644
--- a/addons/web/static/src/js/views/form_view.js
+++ b/addons/web/static/src/js/views/form_view.js
@@ -208,9 +208,10 @@ var FormView = View.extend(common.FieldManagerMixin, {
             if (this.fields_view.toolbar) {
                 this.sidebar.add_toolbar(this.fields_view.toolbar);
             }
+            var canDuplicate = this.is_action_enabled('create') && this.is_action_enabled('duplicate');
             this.sidebar.add_items('other', _.compact([
                 this.is_action_enabled('delete') && { label: _t('Delete'), callback: this.on_button_delete },
-                this.is_action_enabled('create') && { label: _t('Duplicate'), callback: this.on_button_duplicate }
+                canDuplicate && { label: _t('Duplicate'), callback: this.on_button_duplicate }
             ]));
 
             $node = $node || this.$('.oe_form_sidebar');
diff --git a/openerp/addons/base/ir/ir_model_view.xml b/openerp/addons/base/ir/ir_model_view.xml
index 7a8cd7ed1b9..032a65dfef1 100644
--- a/openerp/addons/base/ir/ir_model_view.xml
+++ b/openerp/addons/base/ir/ir_model_view.xml
@@ -212,7 +212,7 @@
         <record id="view_model_fields_form" model="ir.ui.view">
             <field name="model">ir.model.fields</field>
             <field name="arch" type="xml">
-                <form string="Fields">
+                <form string="Fields" duplicate="false">
                     <sheet>
                         <group>
                             <field name="name"/>
@@ -315,7 +315,7 @@
         <record id="view_model_fields_tree" model="ir.ui.view">
             <field name="model">ir.model.fields</field>
             <field name="arch" type="xml">
-                <tree string="Fields">
+                <tree string="Fields" duplicate="false">
                     <field name="name"/>
                     <field name="field_description"/>
                     <field name="model_id"/>