1 files changed, 0 insertions, 22 deletions
diff --git a/components/cplusplus/cpp11/armclang/miscellaneous.cpp b/components/cplusplus/cpp11/armclang/miscellaneous.cpp
deleted file mode 100644
index a084eda8c8..0000000000
--- a/components/cplusplus/cpp11/armclang/miscellaneous.cpp
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2021-04-27     flybreak     the first version.
- */
-
-#include <arm-tpl.h>
-
-extern "C" int __ARM_TPL_execute_once(__ARM_TPL_exec_once_flag *__flag,
-                                      void (*__init_routine)(void))
-{
-    if (*__flag == 0)
-    {
-        __init_routine();
-        *__flag = 1;
-    }
-    return 0;
-}