diff --git a/addons/survey/data/mail_template_data.xml b/addons/survey/data/mail_template_data.xml
index 222d1fbae11..94bc68b6016 100644
--- a/addons/survey/data/mail_template_data.xml
+++ b/addons/survey/data/mail_template_data.xml
@@ -40,7 +40,6 @@
             <field name="name">Certification: Send by email</field>
             <field name="model_id" ref="survey.model_survey_user_input"/>
             <field name="email_to">${(object.partner_id.email_formatted or object.email) |safe}</field>
-            <field name="partner_to">${object.partner_id.id}</field>
             <field name="subject">Certification: ${object.survey_id.display_name}</field>
             <field name="report_template" ref="certification_report"/>
             <field name="report_name">Certification Document</field>