diff --git a/textproc/confetti/Makefile b/textproc/confetti/Makefile
index 8cddef445dfb..6ea2c9c72a22 100644
--- a/textproc/confetti/Makefile
+++ b/textproc/confetti/Makefile
@@ -7,6 +7,9 @@ MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Configuration file parser generator
 WWW=		https://github.com/mailru/confetti
 
+DEPRECATED=	Outdated and unmaintained in tree since 2018
+EXPIRATION_DATE=2025-04-30
+
 BUILD_DEPENDS=	${LOCALBASE}/bin/flex:textproc/flex
 
 USES=		bison perl5 gmake tar:bzip2