diff --git a/multimedia/gdialog/Makefile b/multimedia/gdialog/Makefile
index f68570d0975d..b320d083db02 100644
--- a/multimedia/gdialog/Makefile
+++ b/multimedia/gdialog/Makefile
@@ -1,33 +1,36 @@
 PORTNAME=	gdialog
 PORTVERSION=	2.5
 PORTREVISION=	1
 CATEGORIES=	multimedia java
 MASTER_SITES=	SF/${PORTNAME}-x/${PORTNAME}-090400/${PORTVERSION}
 DISTNAME=	GDialog-090400-25
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Project X addon to read Siemens Gigaset M740AV video recordings
 WWW=		https://sourceforge.net/projects/gdialog-x/
 
 LICENSE=	GPLv2
 
+DEPRECATED=	Support for a 20 year old obsolete STB that only supports DVB-T(1) and MPEG-2
+EXPIRATION_DATE=2025-03-31
+
 BUILD_DEPENDS=	projectx>=0.90.4.00:multimedia/projectx
 RUN_DEPENDS=	projectx>=0.90.4.00:multimedia/projectx
 
 USES=		java zip
 
 CONFLICTS_INSTALL=	zenity # bin/gdialog
 
 NO_BUILD=	yes
 NO_WRKSUBDIR=	yes
 SUB_FILES=	gdialog
 DATADIR=	${JAVASHAREDIR}/projectx
 
 do-install:
 	${MKDIR} ${STAGEDIR}${DATADIR}/
 	${INSTALL_DATA} ${WRKSRC}/GDialog.jar ${STAGEDIR}${DATADIR}
 	${INSTALL_DATA} ${WRKSRC}/ReleaseNotes.txt ${STAGEDIR}${DATADIR}/GDialog-ReleaseNotes.txt
 	${INSTALL_DATA} ${WRKSRC}/Copying ${STAGEDIR}${DATADIR}/GDialog-Copying
 	${INSTALL_SCRIPT} ${WRKDIR}/gdialog ${STAGEDIR}${PREFIX}/bin/gdialog
 
 .include <bsd.port.mk>