diff --git a/winsup/cygwin/Makefile.in b/winsup/cygwin/Makefile.in
index 98727c019..add1de0e9 100644
--- a/winsup/cygwin/Makefile.in
+++ b/winsup/cygwin/Makefile.in
@@ -73,7 +73,7 @@ CRT0:=$(cygwin_build)/crt0.o
 #
 MT_SAFE:=@MT_SAFE@
 CCEXTRA=
-COMMON_CFLAGS=-MMD ${$(*F)_CFLAGS} -Werror -fno-delete-null-pointer-checks -fmerge-constants -ftracer $(CCEXTRA)
+COMMON_CFLAGS=-MMD ${$(*F)_CFLAGS} -Werror -fmerge-constants -ftracer $(CCEXTRA)
 ifeq ($(target_cpu),x86_64)
 COMMON_CFLAGS+=-mcmodel=small
 endif