diff --git a/include/mbedtls/md.h b/include/mbedtls/md.h
index 3164788..cb3e058 100644
--- a/include/mbedtls/md.h
+++ b/include/mbedtls/md.h
@@ -247,6 +247,7 @@
 int mbedtls_md( const mbedtls_md_info_t *md_info, const unsigned char *input, size_t ilen,
         unsigned char *output );
 
+#if defined(MBEDTLS_FS_IO)
 /**
  * \brief          Output = message_digest( file contents )
  *
@@ -259,7 +260,8 @@
  *                 MBEDTLS_ERR_MD_BAD_INPUT_DATA if md_info was NULL.
  */
 int mbedtls_md_file( const mbedtls_md_info_t *md_info, const char *path,
-             unsigned char *output );
+                     unsigned char *output );
+#endif /* MBEDTLS_FS_IO */
 
 /**
  * \brief           Set HMAC key and prepare to authenticate a new message.
diff --git a/include/mbedtls/md_internal.h b/include/mbedtls/md_internal.h
index d42dc5c..8cc8c5b 100644
--- a/include/mbedtls/md_internal.h
+++ b/include/mbedtls/md_internal.h
@@ -71,9 +71,6 @@
     void (*digest_func)( const unsigned char *input, size_t ilen,
                          unsigned char *output );
 
-    /** Generic file digest function */
-    int (*file_func)( const char *path, unsigned char *output );
-
     /** Allocate a new context */
     void * (*ctx_alloc_func)( void );