diff --git a/addons/mrp/data/mrp_demo.xml b/addons/mrp/data/mrp_demo.xml
index 90872b18b38..6b0e3ff6927 100644
--- a/addons/mrp/data/mrp_demo.xml
+++ b/addons/mrp/data/mrp_demo.xml
@@ -267,7 +267,6 @@
             <field name="product_uom_id" ref="uom.product_uom_unit"/>
             <field name="sequence">3</field>
             <field name="bom_id" ref="mrp_bom_desk"/>
-            <field name="operation_id" ref="mrp.mrp_routing_workcenter_5"/>
         </record>
 
         <record id="mrp_bom_desk_line_4" model="mrp.bom.line">
@@ -276,7 +275,6 @@
             <field name="product_uom_id" ref="uom.product_uom_unit"/>
             <field name="sequence">4</field>
             <field name="bom_id" ref="mrp_bom_desk"/>
-            <field name="operation_id" ref="mrp.mrp_routing_workcenter_5"/>
         </record>
 
         <!-- Table MO -->