diff --git a/mozilla/layout/printing/nsPrintEngine.cpp b/mozilla/layout/printing/nsPrintEngine.cpp
index 91cf552f90a..69a2026d153 100644
--- a/mozilla/layout/printing/nsPrintEngine.cpp
+++ b/mozilla/layout/printing/nsPrintEngine.cpp
@@ -3298,12 +3298,9 @@ nsPrintEngine::FinishPrintPreview()
     /* cleanup done, let's fire-up an error dialog to notify the user
      * what went wrong...
      */
-    SetIsPrintPreview(PR_FALSE);
     mPrt->OnEndPrinting();
     TurnScriptingOn(PR_TRUE);
 
-    FirePrintCompletionEvent();
-
     return CleanupOnFailure(rv, PR_FALSE); // ignore return value here
   }