diff --git a/addons/mail/tests/test_mail_features.py b/addons/mail/tests/test_mail_features.py
index af77a8ceb2e..bea80b729a4 100644
--- a/addons/mail/tests/test_mail_features.py
+++ b/addons/mail/tests/test_mail_features.py
@@ -744,7 +744,6 @@ class test_mail(TestMail):
             {
                 'subject': _subject,
                 'body': '${object.description}',
-                'post': True,
                 'partner_ids': [(4, p_c_id), (4, p_d_id)],
             }, context={
                 'default_composition_mode': 'mass_mail',