diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index e8b909d0b..754d87876 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -2042,6 +2042,9 @@
  * \warning Runtime detection only works on linux. For non-linux operation
  *          system, crypto extension MUST be supported by CPU.
  *
+ * \warning This option is experimental. For time being, we can not guarantee
+ *          it with CI tests.
+ *
  * This module adds support for the AES crypto instructions on Arm64
  */
 #define MBEDTLS_AESCE_C
@@ -3071,6 +3074,9 @@
  * \warning MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT cannot be defined at the
  * same time as MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY.
  *
+ * \warning This option is experimental. For time being, we can not guarantee
+ *          it with CI tests.
+ *
  * Requires: MBEDTLS_SHA256_C.
  *
  * Module:  library/sha256.c
@@ -3093,6 +3099,9 @@
  * \warning MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY cannot be defined at the same
  * time as MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT.
  *
+ * \warning This option is experimental. For time being, we can not guarantee
+ *          it with CI tests.
+ *
  * Requires: MBEDTLS_SHA256_C.
  *
  * Module:  library/sha256.c
@@ -3149,6 +3158,9 @@
  * \warning MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT cannot be defined at the
  * same time as MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY.
  *
+ * \warning This option is experimental. For time being, we can not guarantee
+ *          it with CI tests.
+ *
  * Requires: MBEDTLS_SHA512_C.
  *
  * Module:  library/sha512.c
@@ -3174,6 +3186,9 @@
  * \warning MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY cannot be defined at the same
  * time as MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT.
  *
+ * \warning This option is experimental. For time being, we can not guarantee
+ *          it with CI tests.
+ *
  * Requires: MBEDTLS_SHA512_C.
  *
  * Module:  library/sha512.c