diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index 9ae51c964a..244dcca537 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -3087,9 +3087,6 @@
  * \note If MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT is defined when building
  * for a non-Aarch64 build it will be silently ignored.
  *
- * \note The code uses Neon intrinsics, so \c CFLAGS must be set to a minimum
- * of \c -march=armv8-a+crypto.
- *
  * \warning MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT cannot be defined at the
  * same time as MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY.
  *
@@ -3112,9 +3109,6 @@
  * \note This allows builds with a smaller code size than with
  * MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT
  *
- * \note The code uses Neon intrinsics, so \c CFLAGS must be set to a minimum
- * of \c -march=armv8-a+crypto.
- *
  * \warning MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY cannot be defined at the same
  * time as MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT.
  *
@@ -3169,9 +3163,7 @@
  * for a non-Aarch64 build it will be silently ignored.
  *
  * \note The code uses the SHA-512 Neon intrinsics, so requires GCC >= 8 or
- * Clang >= 7, and \c CFLAGS must be set to a minimum of
- * \c -march=armv8.2-a+sha3. An optimisation level of \c -O3 generates the
- * fastest code.
+ * Clang >= 7.
  *
  * \warning MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT cannot be defined at the
  * same time as MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY.
@@ -3196,9 +3188,7 @@
  * MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT
  *
  * \note The code uses the SHA-512 Neon intrinsics, so requires GCC >= 8 or
- * Clang >= 7, and \c CFLAGS must be set to a minimum of
- * \c -march=armv8.2-a+sha3. An optimisation level of \c -O3 generates the
- * fastest code.
+ * Clang >= 7.
  *
  * \warning MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY cannot be defined at the same
  * time as MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT.