diff --git a/textproc/mifluz/Makefile b/textproc/mifluz/Makefile
index 4e6f25877360..b1c9c017ba8f 100644
--- a/textproc/mifluz/Makefile
+++ b/textproc/mifluz/Makefile
@@ -1,37 +1,40 @@
 PORTNAME=	mifluz
 PORTVERSION=	0.26.0
 PORTREVISION=	2
 CATEGORIES=	textproc
 MASTER_SITES=	GNU
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	C++ library to build and query a full text inverted index
 WWW=		https://www.gnu.org/software/mifluz/
 
 LICENSE=	GPLv3
 
+DEPRECATED=	Obsolete, no activity upstream since 2014 and unmaintained in tree for years
+EXPIRATION_DATE=2025-04-30
+
 USES=		bison compiler iconv libtool localbase:ldflags pathfix
 USE_LDCONFIG=	yes
 
 GNU_CONFIGURE=	yes
 GNU_CONFIGURE_MANPREFIX=${PREFIX}/share
 CONFIGURE_ARGS=	--enable-posixmutexes \
 		--localstatedir="${PREFIX}/var" \
 		--without-unac
 
 INSTALL_TARGET=	install-strip
 
 CXXFLAGS+=	${CXXFLAGS_${CHOSEN_COMPILER_TYPE}}
 CXXFLAGS_clang=	-Wno-c++11-narrowing
 
 CONFLICTS_INSTALL=	htdig # bin/htdb_dump bin/htdb_load bin/htdb_stat
 
 SUB_FILES=	pkg-message
 
 INFO=		mifluz
 
 post-patch:
 	@${REINPLACE_CMD} -e \
 		'/^#ifndef HAVE_ALLOCA/s|_H||' ${WRKSRC}/clib/strncoll2.c
 
 .include <bsd.port.mk>