diff --git a/dev/Common/EnumsUser.js b/dev/Common/EnumsUser.js
index bc3c873ba5..f81fa0946e 100644
--- a/dev/Common/EnumsUser.js
+++ b/dev/Common/EnumsUser.js
@@ -62,7 +62,6 @@ ClientSideKeyNameFolderListSize = 4,
 ClientSideKeyNameMessageListSize = 5,
 ClientSideKeyNameLastSignMe = 7,
 ClientSideKeyNameMessageHeaderFullInfo = 9,
-ClientSideKeyNameMessageAttachmentControls = 10,
 
 /**
  * @enum {number}