diff --git a/mod/data/locallib.php b/mod/data/locallib.php
index aa54b878310..df4d1c75f70 100644
--- a/mod/data/locallib.php
+++ b/mod/data/locallib.php
@@ -65,13 +65,6 @@ class data_portfolio_caller extends portfolio_module_caller_base {
      */
     public function __construct($callbackargs) {
         parent::__construct($callbackargs);
-        // set up the list of fields to export
-        $this->selectedfields = array();
-        foreach ($callbackargs as $key => $value) {
-            if (strpos($key, 'field_') === 0) {
-                $this->selectedfields[] = substr($key, 6);
-            }
-        }
     }
 
     /**