diff --git a/test/val/add4.c b/test/val/add4.c
index f02a7fb9c..2371aea69 100644
--- a/test/val/add4.c
+++ b/test/val/add4.c
@@ -22,7 +22,6 @@ long long0 = 0;
 long long1 = 0;
 unsigned long ulong0 = 0;
 unsigned long ulong1 = 0;
-#define NULL 0
 char *cP0=NULL;
 char *cP1=NULL;
 int *iP0=NULL;