diff --git a/science/cdcl/Makefile b/science/cdcl/Makefile
index bd34ea5efb7ec..5a4ada6ef9dd3 100644
--- a/science/cdcl/Makefile
+++ b/science/cdcl/Makefile
@@ -20,6 +20,8 @@ LICENSE_PERMS=	auto-accept
 BROKEN=			fails to fetch from mastersite (newest release is 7.4.0 of 2020611)
 BROKEN_armv6=		fails to link: final link failed: Nonrepresentable section on output
 BROKEN_armv7=		fails to link: final link failed: Nonrepresentable section on output
+DEPRECATED=	Broken since 2021
+EXPIRATION_DATE=	2023-03-21
 
 OPTIONS_DEFINE=	DOCS EXAMPLES
 USES=		desthack gnome pkgconfig xorg