diff --git a/platform/toolchain.h b/platform/toolchain.h
index 9eb46dcddbf..c400c3d32f8 100644
--- a/platform/toolchain.h
+++ b/platform/toolchain.h
@@ -219,10 +219,10 @@
  *  @endcode
  */
 #ifndef MBED_DEPRECATED
-#if defined(__GNUC__) || defined(__clang__)
-#define MBED_DEPRECATED(M) __attribute__((deprecated(M)))
-#elif defined(__CC_ARM)
+#if defined(__CC_ARM)
 #define MBED_DEPRECATED(M) __attribute__((deprecated))
+#elif defined(__GNUC__) || defined(__clang__)
+#define MBED_DEPRECATED(M) __attribute__((deprecated(M)))
 #else
 #define MBED_DEPRECATED(M)
 #endif