diff --git a/devel/as80/Makefile b/devel/as80/Makefile
index fe3b4ec81bc6..861d76de1bde 100644
--- a/devel/as80/Makefile
+++ b/devel/as80/Makefile
@@ -8,11 +8,14 @@
 PORTNAME=	as80
 PORTVERSION=	0.8
 CATEGORIES=	devel
-MASTER_SITES=	http://www.tstrathmann.de/files/
+MASTER_SITES=	# dead
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	A lightweight 8080/8085 assembler
 
+DEPRECATED=	"mastersite disappeared\; alternatives are available, such as devel/asl"
+EXPIRATION_DATE=	"April 22, 2004"
+
 WRKSRC=		${WRKDIR}/${PORTNAME}
 BUILD_WRKSRC=	${WRKSRC}/src
 MAKE_ARGS=	CC="${CC}" CFLAGS="${CFLAGS}"