diff --git a/server/gameserver/constant.h b/server/gameserver/constant.h
index 0b3d239..8e8dfad 100755
--- a/server/gameserver/constant.h
+++ b/server/gameserver/constant.h
@@ -196,6 +196,4 @@ const int FIGHTING_MODE_BULLET_NUM = 10000 * 10000;
 const int MAX_NODE_ID = 8;
 const int MAX_INSTANCE_ID = 500;
 
-const int WALK_ZONE_WIDTH = 100;
-
 const int MAX_TEAM_NUM = 4;