diff --git a/addons/mail/static/src/js/models/messages/abstract_message.js b/addons/mail/static/src/js/models/messages/abstract_message.js
index 111ebaa760e..6a7b02d6e94 100644
--- a/addons/mail/static/src/js/models/messages/abstract_message.js
+++ b/addons/mail/static/src/js/models/messages/abstract_message.js
@@ -255,7 +255,6 @@ var AbstractMessage =  Class.extend({
      */
     isEmpty: function () {
         return !this.hasTrackingValues() &&
-        !this.hasSubtypeDescription() &&
         !this.hasAttachments() &&
         !this.getBody();
     },