--- Libc/Libc-583/threads/Makefile.inc
+++ /dev/null
@@ -1,5 +0,0 @@
-.PATH: ${.CURDIR}/${MACHINE_ARCH}/threads ${.CURDIR}/threads
-
-.sinclude "${.CURDIR}/${MACHINE_ARCH}/threads/Makefile.inc"
-
-MISRCS += cprocs.c       cthreads.c     lu_utils.c     mig_support.c