diff --git a/lib/libc/amd64/gen/Makefile.inc b/lib/libc/amd64/gen/Makefile.inc
index 752ae9c66eca..9312ecd69aa7 100644
--- a/lib/libc/amd64/gen/Makefile.inc
+++ b/lib/libc/amd64/gen/Makefile.inc
@@ -1,6 +1,6 @@
 #	@(#)Makefile.inc	8.1 (Berkeley) 6/4/93
 # $FreeBSD$
 
-SRCS+=	_setjmp.S setjmp.S sigsetjmp.S alloca.S \
+SRCS+=	_setjmp.S setjmp.S sigsetjmp.S \
 	fabs.S modf.S \
 	frexp.c infinity.c isinf.c