--- a/toolkit/mozapps/downloads/DownloadLastDir.jsm
+++ b/toolkit/mozapps/downloads/DownloadLastDir.jsm
@@ -58,19 +58,17 @@
 
 const LAST_DIR_PREF = "browser.download.lastDir";
 const SAVE_PER_SITE_PREF = LAST_DIR_PREF + ".savePerSite";
 const PBSVC_CID = "@mozilla.org/privatebrowsing;1";
 const nsILocalFile = Components.interfaces.nsILocalFile;
 
 var EXPORTED_SYMBOLS = [ "gDownloadLastDir" ];
 
-Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
 Components.utils.import("resource://gre/modules/Services.jsm");
-Components.utils.import("resource://gre/modules/Dict.jsm");
 
 let pbSvc = null;
 if (PBSVC_CID in Components.classes) {
   pbSvc = Components.classes[PBSVC_CID]
                     .getService(Components.interfaces.nsIPrivateBrowsingService);
 }
 
 let observer = {