diff --git a/bin/ed/Makefile b/bin/ed/Makefile
index a33244286d25..e247777edace 100644
--- a/bin/ed/Makefile
+++ b/bin/ed/Makefile
@@ -1,5 +1,5 @@
 PROG=	ed
-CFLAGS+=-I${.CURDIR} -DVI_BANG -DGNU_REGEX
+CFLAGS+=-DVI_BANG -DGNU_REGEX
 SRCS=	ed.c re.c buf.c cbc.c 
 LINKS=	${BINDIR}/ed ${BINDIR}/red
 MLINKS=	ed.1 red.1