diff --git a/include/mbedtls/sha512.h b/include/mbedtls/sha512.h
index 5bb83f4..28ba29d 100644
--- a/include/mbedtls/sha512.h
+++ b/include/mbedtls/sha512.h
@@ -230,6 +230,7 @@
 #else
 #define MBEDTLS_DEPRECATED
 #endif
+
 /**
  * \brief          This function calculates the SHA-512 or SHA-384
  *                 checksum of a buffer.
@@ -255,6 +256,9 @@
 
 #undef MBEDTLS_DEPRECATED
 #endif /* !MBEDTLS_DEPRECATED_REMOVED */
+
+#if defined(MBEDTLS_SELF_TEST)
+
  /**
  * \brief          The SHA-384 or SHA-512 checkup routine.
  *
@@ -262,6 +266,7 @@
  * \return         \c 1 on failure.
  */
 int mbedtls_sha512_self_test( int verbose );
+#endif /* MBEDTLS_SELF_TEST */
 
 #ifdef __cplusplus
 }