diff --git a/mod/assign/gradingtable.php b/mod/assign/gradingtable.php
index fb5e4ffb9de..40bed663228 100644
--- a/mod/assign/gradingtable.php
+++ b/mod/assign/gradingtable.php
@@ -88,7 +88,7 @@ class assign_grading_table extends table_sql implements renderable {
         $params['assignmentid1'] = (int)$this->assignment->get_instance()->id;
         $params['assignmentid2'] = (int)$this->assignment->get_instance()->id;
 
-        $fields = user_picture::fields('u') . ', u.id as userid, u.firstname as firstname, u.lastname as lastname, ';
+        $fields = user_picture::fields('u') . ', u.id as userid, ';
         $fields .= 's.status as status, s.id as submissionid, s.timecreated as firstsubmission, s.timemodified as timesubmitted, ';
         $fields .= 'g.id as gradeid, g.grade as grade, g.timemodified as timemarked, g.timecreated as firstmarked, g.mailed as mailed, g.locked as locked';
         $from = '{user} u LEFT JOIN {assign_submission} s ON u.id = s.userid AND s.assignment = :assignmentid1' .