diff --git a/converters/pdf2djvu/Makefile b/converters/pdf2djvu/Makefile
--- a/converters/pdf2djvu/Makefile
+++ b/converters/pdf2djvu/Makefile
@@ -11,6 +11,10 @@
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/doc/COPYING
 
+BROKEN=		does not compile with neither LLVM nor GCC
+DEPRECATED=		Port has been abandoned upstream almost three years ago: https://groups.io/g/pdf2djvu/message/146
+EXPIRATION_DATE=	2025-07-31
+
 BUILD_DEPENDS=	${LOCALBASE}/include/pstreams/pstream.h:devel/pstreams
 LIB_DEPENDS=	libdjvulibre.so:graphics/djvulibre \
 		libpoppler.so:graphics/poppler