--- Libc/Libc-391.2.7/mach/headers/Makefile.inc
+++ /dev/null
@@ -1,10 +0,0 @@
-MACH_INSTHDRS += mach.h \
-                 mach_error.h \
-                 mach_init.h \
-                 mach_interface.h \
-                 port_obj.h \
-                 sync.h \
-                 task.h \
-                 thread_act.h \
-                 vm_task.h
-MACH_INSTHDRS := ${MACH_INSTHDRS:S/^/${.CURDIR}\/mach\/headers\//}