diff --git a/textproc/aft/Makefile b/textproc/aft/Makefile
index 3265278b1d00..26cb56eac7a0 100644
--- a/textproc/aft/Makefile
+++ b/textproc/aft/Makefile
@@ -1,24 +1,27 @@
 PORTNAME=	aft
 PORTVERSION=	5.098
 PORTREVISION=	1
 PORTEPOCH=	1
 CATEGORIES=	textproc
 MASTER_SITES=	http://www.maplefish.com/todd/
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Document preparation system using an Almost Free Text input format
 WWW=		http://www.maplefish.com/todd/aft.html
 
 LICENSE=	CART
 LICENSE_GROUPS=	FSF GPL OSI
 LICENSE_NAME=	Clarified Artistic License
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 LICENSE_PERMS=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
 
+DEPRECATED=	Obscure markup language and unmaintained in tree for years
+EXPIRATION_DATE=2025-04-30
+
 USES=		perl5 gmake
 GNU_CONFIGURE=	yes
 OPTIONS_DEFINE=	DOCS
 
 PORTDOCS=	*
 
 .include <bsd.port.mk>