diff --git a/addons/mrp_operations/report/mrp_workorder_analysis_view.xml b/addons/mrp_operations/report/mrp_workorder_analysis_view.xml
index a360e2ee0d1..144bfb95c63 100644
--- a/addons/mrp_operations/report/mrp_workorder_analysis_view.xml
+++ b/addons/mrp_operations/report/mrp_workorder_analysis_view.xml
@@ -4,34 +4,11 @@
         <!--
         Work Order Report
         -->
-
-        <record id="view_report_mrp_workorder_tree" model="ir.ui.view">
-            <field name="name">mrp.workorder.tree</field>
-            <field name="model">mrp.workorder</field>
-            <field name="arch" type="xml">
-               <tree string="Work Orders" create="false">
-                      <field name="date" invisible="1"/>
-                      <field name="product_id" invisible="1"/>
-                      <field name="product_qty" sum="Product Qty"/>
-                      <field name="nbr" string="#Line Orders" sum="#Line Orders"/>
-                      <field name="total_hours" sum="Total Hours"/>
-                      <field name="total_cycles" sum="Total Cycles"/>
-                      <field name="delay" invisible="1"/>
-                      <field name="production_id" invisible="1"/>
-                      <field name="workcenter_id" invisible="1"/>
-                      <field name="state" invisible="1"/>
-                      <field name="day" invisible="1" />
-                      <field name="month" invisible="1" />
-                      <field name="year" invisible="1" />
-                </tree>
-            </field>
-        </record>
-
         <record id="view_report_mrp_workorder_graph" model="ir.ui.view">
             <field name="name">mrp.workorder.graph</field>
             <field name="model">mrp.workorder</field>
             <field name="arch" type="xml">
-                <graph string="Work Orders" type="bar">
+                <graph string="Work Orders" type="pivot">
                     <field name="state" type="row"/>
                     <field name="nbr" type="measure"/>
                 </graph>
@@ -65,19 +42,12 @@
             <field name="name">Work Order</field>
             <field name="res_model">mrp.workorder</field>
             <field name="view_type">form</field>
-            <field name="view_mode">graph,tree</field>
-            <field name="view_id" ref="view_report_mrp_workorder_tree"/>
+            <field name="view_mode">graph</field>
+            <field name="view_id" ref="view_report_mrp_workorder_graph"/>
             <field name="search_view_id" ref="view_report_mrp_workorder_filter"/>
             <field name="context">{'search_default_Workcenter': 1,'search_default_year':1,'search_default_month':1,'group_by_no_leaf':1,'group_by':[]}</field>
         </record>
 
-        <record model="ir.actions.act_window.view" id="action_report_mrp_workorder_tree">
-            <field name="sequence" eval="1"/>
-            <field name="view_mode">tree</field>
-            <field name="view_id" ref="view_report_mrp_workorder_tree"/>
-            <field name="act_window_id" ref="action_report_mrp_workorder"/>
-        </record>
-
         <record model="ir.actions.act_window.view" id="action_report_mrp_workorder_graph">
             <field name="sequence" eval="2"/>
             <field name="view_mode">graph</field>