diff --git a/mod/assignment/locallib.php b/mod/assignment/locallib.php
index 4362f4489c026..5bb504a6f48f2 100644
--- a/mod/assignment/locallib.php
+++ b/mod/assignment/locallib.php
@@ -18,6 +18,7 @@
 // this file contains all the functions that aren't needed by core moodle
 // but start becoming required once we're actually inside the assignment module.
 
+require_once($CFG->dirroot . '/mod/assignment/lib.php');
 require_once($CFG->libdir . '/portfolio/caller.php');
 
 /**
@@ -151,4 +152,4 @@ public static function display_name() {
     public static function base_supported_formats() {
         return array(PORTFOLIO_FORMAT_FILE, PORTFOLIO_FORMAT_LEAP2A);
     }
-}
\ No newline at end of file
+}
diff --git a/portfolio/file.php b/portfolio/file.php
index b0efae0147f33..b9dbd5e93c7ec 100644
--- a/portfolio/file.php
+++ b/portfolio/file.php
@@ -35,7 +35,6 @@
 
 require_once($CFG->libdir . '/portfoliolib.php');
 require_once($CFG->libdir . '/portfolio/exporter.php');
-require_once($CFG->libdir . '/file/stored_file.php');
 require_once($CFG->libdir . '/filelib.php');
 
 // exporter id