diff --git a/include/libc/libc_errno.h b/include/libc/libc_errno.h
index bb9a4dea2a4655ebc8ff9040b34608927f872c4f..0f3bc7635aec4bd8a695a56a76b75d61752ac467 100644
--- a/include/libc/libc_errno.h
+++ b/include/libc/libc_errno.h
@@ -13,7 +13,7 @@
 
 #include <rtconfig.h>
 
-#if defined(RT_USING_NEWLIB) || defined(_WIN32) || defined(__CC_ARM) || defined(__IAR_SYSTEMS_ICC__)
+#if defined(RT_USING_NEWLIB) || defined(_WIN32)
 /* use errno.h file in toolchains */
 #include <errno.h>
 #endif