diff --git a/addons/account_asset/report/account_asset_report_views.xml b/addons/account_asset/report/account_asset_report_views.xml
index 028cf75d1dc..6594b1443cb 100644
--- a/addons/account_asset/report/account_asset_report_views.xml
+++ b/addons/account_asset/report/account_asset_report_views.xml
@@ -16,7 +16,7 @@
         <field name="name">asset.asset.report.graph</field>
         <field name="model">asset.asset.report</field>
         <field name="arch" type="xml">
-            <graph string="Assets Analysis" type="pivot">
+            <graph string="Assets Analysis">
                 <field name="asset_category_id" type="row"/>
                 <field name="gross_value" type="measure"/>
                 <field name="unposted_value" type="measure"/>
diff --git a/addons/hr_holidays/views/hr_holidays_views.xml b/addons/hr_holidays/views/hr_holidays_views.xml
index 42fbdfc4ba9..2d6f7da7055 100644
--- a/addons/hr_holidays/views/hr_holidays_views.xml
+++ b/addons/hr_holidays/views/hr_holidays_views.xml
@@ -6,7 +6,7 @@
                 <field name="name">hr.holidays.graph</field>
                 <field name="model">hr.holidays</field>
                 <field name="arch" type="xml">
-                <graph string="Appraisal Analysis" type="pivot" stacked="True">
+                <graph string="Appraisal Analysis" stacked="True">
                     <field name="employee_id" type="row"/>
                     <field name="holiday_status_id" type="row"/>
                     <field name="date_from" type="col"/>
diff --git a/addons/mass_mailing/views/mass_mailing_views.xml b/addons/mass_mailing/views/mass_mailing_views.xml
index 9b120df9a68..67f8bd7240b 100644
--- a/addons/mass_mailing/views/mass_mailing_views.xml
+++ b/addons/mass_mailing/views/mass_mailing_views.xml
@@ -111,7 +111,7 @@
             <field name="model">mail.mass_mailing.contact</field>
             <field name="priority">10</field>
             <field name="arch" type="xml">
-                <pivot string="Contacts" type="pivot" stacked="True">
+                <pivot string="Contacts" stacked="True">
                     <field name="create_date" type="row"/>
                 </pivot>
             </field>
@@ -122,7 +122,7 @@
             <field name="model">mail.mass_mailing.contact</field>
             <field name="priority">10</field>
             <field name="arch" type="xml">
-                <graph string="Contacts" type="pivot" stacked="True">
+                <graph string="Contacts" stacked="True">
                     <field name="create_date" type="row"/>
                 </graph>
             </field>
diff --git a/addons/website_crm_partner_assign/report/crm_partner_report_view.xml b/addons/website_crm_partner_assign/report/crm_partner_report_view.xml
index ed0578ff13e..2447cf4b359 100644
--- a/addons/website_crm_partner_assign/report/crm_partner_report_view.xml
+++ b/addons/website_crm_partner_assign/report/crm_partner_report_view.xml
@@ -32,7 +32,7 @@
             <field name="name">crm.partner.assign.report.graph</field>
             <field name="model">crm.partner.report.assign</field>
             <field name="arch" type="xml">
-                <graph string="Opportunities Assignment Analysis" type="pivot" stacked="True">
+                <graph string="Opportunities Assignment Analysis" stacked="True">
                     <field name="grade_id" type="row"/>
                     <field name="nbr_opportunities" type="measure"/>
                     <field name="turnover" type="measure"/>
diff --git a/addons/website_forum/views/forum.xml b/addons/website_forum/views/forum.xml
index 76e269cd105..2221667662d 100644
--- a/addons/website_forum/views/forum.xml
+++ b/addons/website_forum/views/forum.xml
@@ -225,7 +225,7 @@
             <field name="name">forum.post.graph</field>
             <field name="model">forum.post</field>
             <field name="arch" type="xml">
-                <graph string="Graph of Posts" type="pivot">
+                <graph string="Graph of Posts">
                     <field name="write_date" interval="month" type="col" />
                     <field name="forum_id" type="row" />
                 </graph>
diff --git a/addons/website_slides/view/website_slides_backend.xml b/addons/website_slides/view/website_slides_backend.xml
index 1c0e5f75f36..90eeb486cf3 100644
--- a/addons/website_slides/view/website_slides_backend.xml
+++ b/addons/website_slides/view/website_slides_backend.xml
@@ -146,7 +146,7 @@
             <field name="name">slide.slide.graph</field>
             <field name="model">slide.slide</field>
             <field name="arch" type="xml">
-                <graph string="Graph of Slides" type="pivot">
+                <graph string="Graph of Slides">
                     <field name="date_published" interval="month" type="col"/>
                     <field name="channel_id" type="row"/>
                 </graph>