diff --git a/comms/opencbm/Makefile b/comms/opencbm/Makefile
index d01d86da4815..0db9b775a445 100644
--- a/comms/opencbm/Makefile
+++ b/comms/opencbm/Makefile
@@ -9,6 +9,9 @@ WWW=		http://opencbm.sourceforge.net/
 LICENSE=	GPLv2 BSD3CLAUSE
 LICENSE_COMB=	multi
 
+DEPRECATED=	Depends on expiring devel/cc65
+EXPIRATION_DATE=2025-06-21
+
 BUILD_DEPENDS=	cc65:devel/cc65
 
 USES=		gmake pkgconfig
diff --git a/devel/cc65/Makefile b/devel/cc65/Makefile
index b1681899d932..2402c690671d 100644
--- a/devel/cc65/Makefile
+++ b/devel/cc65/Makefile
@@ -59,4 +59,11 @@ post-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/README.md ${STAGEDIR}${DOCSDIR}
 
+.include <bsd.port.options.mk>
+
+.if ${PORT_OPTIONS:MDOCS} || ${PORT_OPTIONS:MINFO}
+DEPRECATED=	Depends on expired textproc/linuxdoc-tools
+EXPIRATION_DATE=2025-06-21
+.endif
+
 .include <bsd.port.mk>