diff --git a/mozilla/xpinstall/public/makefile.win b/mozilla/xpinstall/public/makefile.win
index 101ac7357e4..6cd29403487 100644
--- a/mozilla/xpinstall/public/makefile.win
+++ b/mozilla/xpinstall/public/makefile.win
@@ -36,6 +36,7 @@ XPIDLSRCS =                               \
             .\nsIXPIProgressDlg.idl       \
             .\nsPIXPIStubHook.idl         \
             .\nsPIXPIManagerCallbacks.idl \
+#            .\nsIUpdateNotification.idl   \
             $(NULL) 
 
 include <$(DEPTH)\config\rules.mak>