diff --git a/usr.sbin/ftp-proxy/Makefile b/usr.sbin/ftp-proxy/Makefile
index 941505f..df5ccb2 100644
--- a/usr.sbin/ftp-proxy/Makefile
+++ b/usr.sbin/ftp-proxy/Makefile
@@ -7,8 +7,6 @@ MAN=	ftp-proxy.8
 
 SRCS=	ftp-proxy.c filter.c
 
-CFLAGS+=-I${.CURDIR}/../../contrib/pf/libevent
-
 LIBADD=	event
 
 WARNS?=	3