diff --git a/sysutils/vordog/Makefile b/sysutils/vordog/Makefile
index 67767ccf6983..594d715e31eb 100644
--- a/sysutils/vordog/Makefile
+++ b/sysutils/vordog/Makefile
@@ -1,19 +1,23 @@
 PORTNAME=	vordog
 PORTVERSION=	20080708
 CATEGORIES=	sysutils
 MASTER_SITES=	http://www.assembla.com/spaces/vordog/documents/dcR7vqtqyr3AMlab7jnrAJ/download/
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Watchdog(9) driver for watchdog timer of Vortex86
 WWW=		https://app.assembla.com/spaces/vordog/wiki
 
 LICENSE=	BSD2CLAUSE
 
+BROKEN=	implicit declaration of function 'EVENTHANDLER_REGISTER' is invalid in C99
+DEPRECATED=	BROKEN for more than 4 months
+EXPIRATION_DATE=	2024-04-04
 ONLY_FOR_ARCHS=	i386
+
 USES=		kmod
 PLIST_FILES=	${KMODDIR}/${PORTNAME}.ko
 
 do-install:
 	${INSTALL_KLD} ${WRKSRC}/vordog.ko ${STAGEDIR}${KMODDIR}
 
 .include <bsd.port.mk>