diff --git a/dom/base/nsGlobalWindow.cpp b/dom/base/nsGlobalWindow.cpp
index 133015ff2430..927bc4989b47 100644
--- a/dom/base/nsGlobalWindow.cpp
+++ b/dom/base/nsGlobalWindow.cpp
@@ -8447,8 +8447,6 @@ nsGlobalWindow::FireDelayedDOMEvents()
   if (mPendingStorageEventsObsolete) {
     // Fire pending storage events.
     mPendingStorageEventsObsolete->EnumerateRead(FirePendingStorageEvents, this);
-
-    delete mPendingStorageEventsObsolete;
     mPendingStorageEventsObsolete = nsnull;
   }