diff --git a/bin/sh/Makefile b/bin/sh/Makefile
index 7787194fa686..b074121d0ecd 100644
--- a/bin/sh/Makefile
+++ b/bin/sh/Makefile
@@ -30,8 +30,6 @@ LIBADD=	edit
 CFLAGS+=-DSHELL -I. -I${.CURDIR}
 # for debug:
 # DEBUG_FLAGS+= -g -DDEBUG=2 -fno-inline
-WARNS?=	2
-WFORMAT=0
 
 .PATH:	${.CURDIR}/bltin \
 	${.CURDIR:H}/kill \