diff --git a/addons/mail/static/src/js/services/mail_manager.js b/addons/mail/static/src/js/services/mail_manager.js
index 015ebfa01a3..83e9d68bc09 100644
--- a/addons/mail/static/src/js/services/mail_manager.js
+++ b/addons/mail/static/src/js/services/mail_manager.js
@@ -428,7 +428,6 @@ var MailManager =  AbstractService.extend({
         return this._rpc({
             model: 'mail.message',
             method: 'unstar_all',
-            args: [[]]
         });
     },