--- Libc/Libc-583/ppc64/string/Makefile.inc
+++ Libc/Libc-391.5.22/ppc64/string/Makefile.inc
@@ -5,10 +5,6 @@
 MDSRCS +=	\
      bcopy.s	\
      bzero.s	\
-     ffs.s	\
-     ffsl.s	\
-     fls.s	\
-     flsl.s	\
      memset.s   \
      memcmp.s	\
      strcat.s	\