diff --git a/devel/plan9port/Makefile b/devel/plan9port/Makefile
index 3472cf2c2e91..6732556c8c05 100644
--- a/devel/plan9port/Makefile
+++ b/devel/plan9port/Makefile
@@ -1,91 +1,92 @@
 PORTNAME=	plan9port
 PORTVERSION=	20220913
 CATEGORIES=	devel plan9
 DIST_SUBDIR=	plan9port
 EXTRACT_ONLY=	${DISTNAME}${EXTRACT_SUFX}
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Plan 9 from User Space
 WWW=		https://9fans.github.io/plan9port/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-BROKEN_armv6=	fails to compile: thread.c:130:5: no member named 'arm_r0' in 'mcontext_t'
-BROKEN_armv7=	fails to compile: thread.c:130:5: no member named 'arm_r0' in 'mcontext_t'
+BROKEN=		Fails to build, sort.c:111:5: error: conflicting types for 'kcmp'
+DEPRECATED=	Fails to build, unmaintained in tree and outdated
+EXPIRATION_DATE=2024-11-30
 
 BUILD_DEPENDS=	as:devel/binutils
 LIB_DEPENDS=	libfontconfig.so:x11-fonts/fontconfig \
 		libfreetype.so:print/freetype2
 
 USES=		compiler:c11 localbase:ldflags perl5 shebangfix xorg
 USE_GITHUB=	yes
 GH_ACCOUNT=	9fans
 GH_TAGNAME=	ffbdd1aa20c8a20a8e9dcd3cec644b6dfa3c6acb
 USE_PERL5=	build
 USE_XORG=	x11 xext xt
 
 SHEBANG_GLOB=	*
 SHEBANG_LANG=	rc
 rc_OLD_CMD=	/bin/rc /usr/local/plan9/bin/rc
 rc_CMD=		${PREFIX}/plan9/bin/rc
 
 SUB_FILES=	pkg-message
 SUB_LIST=	OPSYS=${OPSYS}
 
 OPTIONS_DEFINE=		DATA
 OPTIONS_DEFAULT=	DATA
 OPTIONS_SUB=		yes
 
 DATA_DESC=	Install dictionary, thesaurus, and other data files
 
 DATA_MASTER_SITES=	https://9fans.github.io/plan9port/dist/
 DATA_DISTFILES=		pgw.tar.bz2 \
 			roget.tar.bz2 \
 			scat.tgz
 
 .include <bsd.port.pre.mk>
 
 post-extract-DATA-on:
 	@cd ${WRKSRC}/dict && ${TAR} -xf ${DISTDIR}/${DIST_SUBDIR}/pgw.tar.bz2
 	@cd ${WRKSRC}/dict && ${TAR} -xf ${DISTDIR}/${DIST_SUBDIR}/roget.tar.bz2
 	@cd ${WRKSRC}/sky && ${TAR} -xf ${DISTDIR}/${DIST_SUBDIR}/scat.tgz
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|/lib/font/bit|${PREFIX}/plan9/font|' \
 		${WRKSRC}/src/cmd/acme/acme.c
 	@${REINPLACE_CMD} -e 's|#!/bin/rc|#!${PREFIX}/plan9/bin/rc|' \
 		${WRKSRC}/src/cmd/upas/ml/mlmgr.c \
 		${WRKSRC}/src/cmd/tcs/font/mkfile
 	@${REINPLACE_CMD} -e 's|ulong|u64int|' ${WRKSRC}/src/libmach/FreeBSD.c
 
 do-configure:
 .if ${CHOSEN_COMPILER_TYPE} == gcc
 	@${ECHO_CMD} 'CC9="${CC}"' > ${WRKSRC}/LOCAL.config
 .endif
 	@${ECHO_CMD} 'CFLAGS="${CFLAGS}"' >> ${WRKSRC}/LOCAL.config
 	@${ECHO_CMD} 'LDFLAGS="${LDFLAGS}"' >> ${WRKSRC}/LOCAL.config
 	@${ECHO_CMD} 'FONTSRV=fontsrv' >> ${WRKSRC}/LOCAL.config
 
 do-build:
 	@cd ${WRKSRC} && ${SETENV} CC9=${CC} ./INSTALL -b
 
 do-install:
 .for l in .cvsignore .hg .hgignore .hgtags .gitignore .gitkeep *.bak *.orig \
 	*.beforesubst .travis.yml
 	@${FIND} ${WRKSRC} -name "${l}" -delete
 .endfor
 	@cd ${WRKSRC} && ${SED} -i '' 's#/usr/local#${PREFIX}#' \
 		`${CAT} lib/moveplan9.files`
 	@${MKDIR} ${STAGEDIR}${PREFIX}/plan9
 	@cd ${WRKSRC} && ${PAX} -rw . ${STAGEDIR}${PREFIX}/plan9
 	@${RLN} ${STAGEDIR}${PREFIX}/plan9/bin/9 ${STAGEDIR}${PREFIX}/bin/9
 
 post-install:
 	@cd ${STAGEDIR}${PREFIX}/plan9 && \
 		for f in bin/* bin/disk/* bin/fossil/* bin/fs/* bin/venti/* \
 		src/cmd/devdraw/o.devdraw; do \
 			${STRIP_CMD} $$f > /dev/null 2>&1 || ${TRUE}; \
 		done
 
 .include <bsd.port.post.mk>