diff --git a/cddl/usr.bin/ctfconvert/Makefile b/cddl/usr.bin/ctfconvert/Makefile
index 858f136370fd..b1dd8a231f81 100644
--- a/cddl/usr.bin/ctfconvert/Makefile
+++ b/cddl/usr.bin/ctfconvert/Makefile
@@ -3,8 +3,6 @@
 .PATH: ${.CURDIR}/../../../cddl/contrib/opensolaris/tools/ctf/common
 .PATH: ${.CURDIR}/../../../cddl/contrib/opensolaris/tools/ctf/cvt
 
-DEBUG_FLAGS=	-g
-
 PROG=		ctfconvert
 SRCS=		alist.c \
 		ctf.c \