diff --git a/addons/crm/data/mail_activity_demo.xml b/addons/crm/data/mail_activity_demo.xml
index 320c3b4baf2..d18dd3a0e0c 100644
--- a/addons/crm/data/mail_activity_demo.xml
+++ b/addons/crm/data/mail_activity_demo.xml
@@ -4,14 +4,12 @@
         <field name="name">Follow-up Quote</field>
         <field name="icon">fa-file-text-o</field>
         <field name="res_model_id" ref="crm.model_crm_lead"/>
-        <field name="summary">Follow-up quote</field>
         <field name="days">30</field>
     </record>
     <record id="mail_activity_demo_make_quote" model="mail.activity.type">
         <field name="name">Make Quote</field>
         <field name="icon">fa-file-text-o</field>
         <field name="res_model_id" ref="crm.model_crm_lead"/>
-        <field name="summary">Send a quotation</field>
         <field name="days">15</field>
     </record>
     <record id="mail_activity_demo_call_demo" model="mail.activity.type">
@@ -19,6 +17,5 @@
         <field name="icon">fa-phone</field>
         <field name="res_model_id" ref="crm.model_crm_lead"/>
         <field name="days">10</field>
-        <field name="summary">Call for a demo</field>
     </record>
 </odoo>
diff --git a/addons/mail/data/mail_activity_data.xml b/addons/mail/data/mail_activity_data.xml
index 8e9a213dcff..281d1915141 100644
--- a/addons/mail/data/mail_activity_data.xml
+++ b/addons/mail/data/mail_activity_data.xml
@@ -4,23 +4,19 @@
         <record id="mail_activity_data_email" model="mail.activity.type">
             <field name="name">Email</field>
             <field name="icon">fa-envelope</field>
-            <field name="summary">Send an Email</field>
         </record>
         <record id="mail_activity_data_call" model="mail.activity.type">
             <field name="name">Call</field>
             <field name="icon">fa-phone</field>
-            <field name="summary">Make a Call</field>
             <field name="days">2</field>
         </record>
         <record id="mail_activity_data_meeting" model="mail.activity.type">
             <field name="name">Meeting</field>
             <field name="icon">fa-users</field>
-            <field name="summary">Reminder for meeting</field>
         </record>
         <record id="mail_activity_data_todo" model="mail.activity.type">
             <field name="name">Todo</field>
             <field name="icon">fa-tasks</field>
-            <field name="summary">Task to perform</field>
             <field name="days">5</field>
         </record>
     </data>