diff --git a/mcux/mcux-sdk/CMSIS/Core_A/Include/core_ca53.h b/mcux/mcux-sdk/CMSIS/Core_A/Include/core_ca53.h
index 2c8a5bc66..b837abdd2 100644
--- a/mcux/mcux-sdk/CMSIS/Core_A/Include/core_ca53.h
+++ b/mcux/mcux-sdk/CMSIS/Core_A/Include/core_ca53.h
@@ -95,8 +95,10 @@
  *                 Register Definitions
  ******************************************************************************/
 
-#ifndef BIT
+#if !defined(BIT) && !defined(__ZEPHYR__)
 #define BIT(n) (1 << (n))
+#else
+#include <zephyr/sys/util.h>
 #endif
 
 /* DAIF Register */
diff --git a/mcux/mcux-sdk/CMSIS/Core_A/Include/core_ca55.h b/mcux/mcux-sdk/CMSIS/Core_A/Include/core_ca55.h
index d796e2729..5a81df0ec 100644
--- a/mcux/mcux-sdk/CMSIS/Core_A/Include/core_ca55.h
+++ b/mcux/mcux-sdk/CMSIS/Core_A/Include/core_ca55.h
@@ -95,8 +95,10 @@
  *                 Register Definitions
  ******************************************************************************/
 
-#ifndef BIT
+#if !defined(BIT) && !defined(__ZEPHYR__)
 #define BIT(n) (1 << (n))
+#else
+#include <zephyr/sys/util.h>
 #endif
 
 /* DAIF Register */