diff --git a/tools/shell/src/shellEngine.c b/tools/shell/src/shellEngine.c
index f16ac919b932fdb599a233205fab30bbea77aeec..d13ed0c0a8fa935c64d2300a866dd65e7683aae2 100644
--- a/tools/shell/src/shellEngine.c
+++ b/tools/shell/src/shellEngine.c
@@ -506,8 +506,6 @@ void shellPrintNChar(const char *str, int32_t length, int32_t width) {
   }
 }
 
-#define FLOAT_NORMAL_MIN  -100000000 
-#define FLOAT_NORMAL_MAX   100000000 
 void shellPrintField(const char *val, TAOS_FIELD *field, int32_t width, int32_t length, int32_t precision) {
   if (val == NULL) {
     int32_t w = width;