diff --git a/mozilla/docshell/base/nsDocShell.cpp b/mozilla/docshell/base/nsDocShell.cpp
index ef5e8aca4a9..640cc3b1f0e 100644
--- a/mozilla/docshell/base/nsDocShell.cpp
+++ b/mozilla/docshell/base/nsDocShell.cpp
@@ -103,10 +103,6 @@
 
 #include "nsIEventStateManager.h"
 
-#ifdef IBMBIDI
-#include "nsIUBidiUtils.h"
-#endif
-
 #include "nsIFrame.h"
 #include "nsIStyleContext.h"