diff --git a/gfx/public/makefile.win b/gfx/public/makefile.win
index 7eb8c50312e..7ae635b0153 100644
--- a/gfx/public/makefile.win
+++ b/gfx/public/makefile.win
@@ -19,7 +19,6 @@ DEPTH=..\..
 
 
 EXPORTS =				\
-	nsIDOMRenderingContext.h	\
   nsColor.h \
   nsColorNames.h \
   nsColorNameList.h \