--- a/suite/mailnews/folderDisplay.js
+++ b/suite/mailnews/folderDisplay.js
@@ -107,19 +107,16 @@ var gFolderDisplay =
 
   get canArchiveSelectedMessages()
   {
     if (!gDBView)
       return false;
     var selectedMessages = this.selectedMessages;
     if (selectedMessages.length == 0)
       return false;
-    if (!this.displayedFolder || this.displayedFolder.isSpecialFolder(
-          Components.interfaces.nsMsgFolderFlags.Archive, true))
-      return false;
     return selectedMessages.every(function(aMsg) GetIdentityForHeader(aMsg).archiveEnabled);
   },
 
   get displayedFolder()
   {
     return gMsgFolderSelected;
   }