diff --git a/addons/mass_mailing/views/email_template.xml b/addons/mass_mailing/views/email_template.xml
index 36698ac6106..175edbb0c7c 100644
--- a/addons/mass_mailing/views/email_template.xml
+++ b/addons/mass_mailing/views/email_template.xml
@@ -20,7 +20,6 @@
                             <group>
                                 <field name="name" required="True"/>
                                 <field name="model_id" required="1" options="{'no_open': True, 'no_create': True}"
-                                    on_change="onchange_model_id(model_id)"
                                     domain="[('model', 'in', ['res.partner', 'mail.mass_mailing.contact'])]"/>
                                 <field name="model" invisible="True"/>
                                 <field name="use_default_to" invisible="1"/>