diff --git a/mozilla/layout/base/public/Makefile.in b/mozilla/layout/base/public/Makefile.in
index c4dd92c217f..935a4c7ec7e 100644
--- a/mozilla/layout/base/public/Makefile.in
+++ b/mozilla/layout/base/public/Makefile.in
@@ -93,7 +93,6 @@ nsIPrivateDOMImplementation.h \
 nsIContentSerializer.h \
 nsIHTMLToTextSink.h \
 nsIScrollableViewProvider.h \
-nsIPrintContext.h \
 $(NULL)
 
 XPIDLSRCS	= \