diff --git a/browser/components/wintaskbar/WindowsJumpLists.jsm b/browser/components/wintaskbar/WindowsJumpLists.jsm
index 35db61e3de2..b0634990279 100644
--- a/browser/components/wintaskbar/WindowsJumpLists.jsm
+++ b/browser/components/wintaskbar/WindowsJumpLists.jsm
@@ -205,9 +205,6 @@ var WinTaskbarJumpList =
 
     // jump list refresh timer
     this._initTimer();
-
-    // build the list
-    this.update();
   },
 
   update: function WTBJL_update() {