--- form.php
+++ form.php

@@ -204,19 +192,6 @@
                         $elementadded++;
 
                         $isdateadded = true;
-                        if ($cm->modname == 'quiz') {
-                            $overridegroups = "\"" . $CFG->wwwroot . "/mod/quiz/overrides.php?cmid=" . $cm->id . "&mode=group \"";	
-		    $overrideusers = "\"" . $CFG->wwwroot . "/mod/quiz/overrides.php?cmid=" . $cm->id . "&mode=user \"";	
-                            $mform->addElement('html', "<div id='fitem_id_group_override' class='fitem fitem_fbutton femptylabel'><div class='fitemtitle'>
-                                <label for='id_group_override'></label></div><div class='felement fbutton'>
-                                <button onclick='window.open(".$overridegroups.", \"newWin\", \"width=800, height=600\"); return false'><a href='#' style='text-decoration:none; color:#000;'>". get_string('addnewgroupoverride', 'quiz') . "</a></button>
-                                <button onclick='window.open(".$overrideusers.", \"newWin2\", \"width=800, height=600\"); return false'><a href='#' style='text-decoration:none; color:#000;'>". get_string('addnewuseroverride', 'quiz') . "</a></button>
-                                </div></div>");							
-                         }
                     }
 
                     if ($isdateadded) {