diff --git a/src/Globals/global_functions.php b/src/Globals/global_functions.php
index 8f459449..6b709ac7 100644
--- a/src/Globals/global_functions.php
+++ b/src/Globals/global_functions.php
@@ -15,7 +15,6 @@ use ZM\Store\Database\DBException;
 use ZM\Store\Database\DBQueryBuilder;
 use ZM\Store\Database\DBWrapper;
 use ZM\Store\KV\KVInterface;
-use ZM\Utils\ZMRequest;
 
 // 防止重复引用引发报错
 if (function_exists('zm_internal_errcode')) {