diff --git a/devel/yasm-devel/Makefile b/devel/yasm-devel/Makefile
index 077f21475a61..17669ce78c25 100644
--- a/devel/yasm-devel/Makefile
+++ b/devel/yasm-devel/Makefile
@@ -1,38 +1,41 @@
 # Created by: ijliao
 
 PORTNAME=		yasm
 PORTVERSION=		1.2.0.29
 DISTVERSIONSUFFIX=	.g87c0
 PORTREVISION=		1
 CATEGORIES=		devel lang
 MASTER_SITES=		http://www.tortall.net/projects/yasm/snapshots/v${DISTVERSION}${DISTVERSIONSUFFIX}/
 PKGNAMESUFFIX=		-devel
 
 MAINTAINER=	koobs@FreeBSD.org
 COMMENT=	Complete rewrite of the NASM assembler (Development Snapshot)
 
 LICENSE=	ART10 BSD2CLAUSE BSD3CLAUSE
 LICENSE_COMB=	multi
 
+DEPRECATED=	No need to keep the -devel version due to upstream inactivity
+EXPIRATION_DATE=	2021-12-31
+
 OPTIONS_DEFINE=	DEBUG NLS
 
 GNU_CONFIGURE=		yes
 CONFIGURE_ARGS+=	--disable-python --disable-python-bindings
 TEST_TARGET=		check
 
 NLS_USES=		gettext iconv
 NLS_CONFIGURE_ENABLE=	nls
 NLS_CONFIGURE_ON=	--with-libiconv-prefix=${LOCALBASE} \
 			--with-libintl-prefix=${LOCALBASE}
 NLS_CONFIGURE_OFF=	--without-libiconv-prefix \
 			--without-libintl-prefix
 
 CONFLICTS_INSTALL=	yasm
 
 .include <bsd.port.options.mk>
 
 .if ${PORT_OPTIONS:MDEBUG} || defined(WITH_DEBUG)
 CONFIGURE_ARGS+=	--enable-debug
 .endif
 
 .include <bsd.port.mk>