--- xnu/xnu-12377.121.6/bsd/netinet/netinet_private.modulemap
+++ xnu/xnu-11417.140.69/bsd/netinet/netinet_private.modulemap
@@ -1,8 +1,9 @@
-module DarwinPrivate.netinet {
+module DarwinPrivate.netinet [system] {
   module in {
     header "netinet/in_private.h"
-    private textual header "netinet6/in6_private.h"
     export *
+
+    exclude header "netinet6/in6_private.h"
   }
 
   module in_stat {