diff --git a/comms/mlan3/Makefile b/comms/mlan3/Makefile
index 3329188f8353..bbf3f5eb9577 100644
--- a/comms/mlan3/Makefile
+++ b/comms/mlan3/Makefile
@@ -1,27 +1,29 @@
 PORTNAME=	mlan3
 PORTVERSION=	1.00
 CATEGORIES=	comms
 MASTER_SITES=	http://files.maximintegrated.com/sia_bu/public/
 DISTNAME=	owpd300b
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Version 3.00 beta API for Dallas Semiconductors 1-wire lan devices
 WWW=		http://www.maximintegrated.com/en/products/comms/ibutton.html
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/license.txt
 
+DEPRECATED=	BROKEN on all supported versions for more than 2 years after the EOL of 12
+EXPIRATION_DATE=	2023-12-31
 BROKEN_FreeBSD_13=	ld: error: duplicate symbol: VERBOSE
 BROKEN_FreeBSD_14=	ld: error: duplicate symbol: VERBOSE
 
 NO_WRKSUBDIR=	yes
 USES=		dos2unix uidfix zip
 DOS2UNIX_GLOB=	*.c *.h
 
 CONFLICTS_INSTALL=	shells/fish
 
 post-patch:
 	@${REINPLACE_CMD} -e '/int main/s/short argc/int argc/' \
 		${WRKSRC}/apps/gethumd/gethumd.c ${WRKSRC}/apps/shaapp/shaapp.c
 
 .include <bsd.port.mk>