diff --git a/mozilla/view/src/nsViewManager.cpp b/mozilla/view/src/nsViewManager.cpp
index ef7312ab74f..0a1748985d2 100644
--- a/mozilla/view/src/nsViewManager.cpp
+++ b/mozilla/view/src/nsViewManager.cpp
@@ -18,7 +18,6 @@
 
 #include "nsViewManager.h"
 #include "nsUnitConversion.h"
-#include "nsIPresShell.h"
 #include "nsIRenderingContext.h"
 #include "nsIDeviceContext.h"
 #include "nsGfxCIID.h"