diff --git a/net/nfstrace/Makefile b/net/nfstrace/Makefile
--- a/net/nfstrace/Makefile
+++ b/net/nfstrace/Makefile
@@ -1,6 +1,6 @@
 PORTNAME=	nfstrace
 DISTVERSION=	0.4.3.2
-PORTREVISION=	3
+PORTREVISION=	4
 CATEGORIES=	net
 
 MAINTAINER=	ehaupt@FreeBSD.org
@@ -17,7 +17,7 @@
 GH_ACCOUNT=	epam
 
 CMAKE_ARGS+=	-DJSON_INCLUDE_DIR="${LOCALBASE}/include/json-c"
-CFLAGS+=	-Wno-deprecated-copy -Wno-format
+CFLAGS+=	-Wno-deprecated-copy -Wno-format -Wno-unused-function
 
 .include <bsd.port.options.mk>