diff --git a/devel/bmkdep/Makefile b/devel/bmkdep/Makefile
index 3ae8dcec0471..172f9016ce44 100644
--- a/devel/bmkdep/Makefile
+++ b/devel/bmkdep/Makefile
@@ -9,6 +9,9 @@ WWW=		https://netbsd.org
 
 LICENSE=	BSD2CLAUSE
 
+DEPRECATED=	Outdated and redundant
+EXPIRATION_DATE=2025-06-30
+
 USE_GITHUB=	yes
 GH_ACCOUNT=	trociny