diff --git a/toolkit/toolkit-makefiles.sh b/toolkit/toolkit-makefiles.sh
index 073e4f8a427a..0c0ca775aa5c 100644
--- a/toolkit/toolkit-makefiles.sh
+++ b/toolkit/toolkit-makefiles.sh
@@ -204,8 +204,6 @@ MAKEFILES_xpconnect="
   js/src/xpconnect/tests/Makefile
   js/src/xpconnect/tests/components/Makefile
   js/src/xpconnect/tests/idl/Makefile
-  js/src/xpconnect/tools/Makefile
-  js/src/xpconnect/tools/idl/Makefile
 "
 
 MAKEFILES_jsdebugger="