diff --git a/sys/alpha/osf1/Makefile b/sys/alpha/osf1/Makefile
index a161390da90..874065834c8 100644
--- a/sys/alpha/osf1/Makefile
+++ b/sys/alpha/osf1/Makefile
@@ -1,7 +1,9 @@
 # $FreeBSD$
-# Makefile for syscall tables
 
-all: osf1_sysent.c
+# Makefile for syscall tables.
+
+all:
+	@echo "make osf1_sysent.c only"
 
 osf1_sysent.c osf1_syscall.h osf1_proto.h: ../../kern/makesyscalls.sh \
     syscalls.master syscalls.conf