diff --git a/games/shaaft/Makefile b/games/shaaft/Makefile
index 255b6f6aefb2..88eebaab8ac7 100644
--- a/games/shaaft/Makefile
+++ b/games/shaaft/Makefile
@@ -1,45 +1,48 @@
 PORTNAME=	shaaft
 PORTVERSION=	0.5.0
 PORTREVISION=	27
 CATEGORIES=	games
 MASTER_SITES=	SF/criticalmass/OldFiles
 DISTNAME=	Shaaft-${PORTVERSION}
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	OpenGL 3D falling block game similar to Blockout
 
+DEPRECATED=	Unmaintained upstream for ages, breaks with modern toolchains
+EXPIRATION_DATE=2025-03-02
+
 LIB_DEPENDS=	libpng.so:graphics/png
 
 CONFLICTS=	criticalmass
 
 USES=		gl sdl tar:bzip2
 USE_SDL=	mixer image sdl
 USE_GL=		gl
 USE_GCC=	yes
 USE_CXXSTD=	gnu++98
 GNU_CONFIGURE=	yes
 GNU_CONFIGURE_MANPREFIX=${PREFIX}/share
 CONFIGURE_ARGS=	--disable-optimize
 
 CFLAGS+=	-fpermissive
 CPPFLAGS+=	$$(libpng-config --I_opts)
 LDFLAGS+=	$$(libpng-config --L_opts)
 
 DATADIR=	${PREFIX}/share/Shaaft
 
 PLIST_FILES=	bin/Packer bin/shaaft %%DATADIR%%/resource.dat \
 		share/man/man6/shaaft.6.gz
 
 DESKTOP_ENTRIES="Shaaft" "" "" "${PORTNAME}" "" ""
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|sdl-config|${SDL_CONFIG:T}|g ; \
 		s|^CXXFLAGS|#CXXFLAGS|g ; \
 		s|/usr/X11R6|${LOCALBASE}|g ; \
 		s|-lSDL | |g ; \
 		s|-lpng12|-lpng|g' ${WRKSRC}/configure
 	@${GREP} -lR "SDL/SDL" ${WRKSRC} | ${XARGS} ${REINPLACE_CMD} -e \
 		's|SDL/SDL|SDL|g'
 	@${REINPLACE_CMD} -e 's|== 3|>= 3|' ${WRKSRC}/utils/hashMap.hpp
 
 .include <bsd.port.mk>