If in the definition rol the admin make that teacher can't unenrol self from course, the "Unenrol me from...." link is not displayed, but the teacher can unenrol self using Assign roles module, and pressing "Remove" button. For avoid this should modify the script: moodle/admin/roles/assign.php line: 230 where the code says this: if ($topleveladmin && ($removeuser == $USER->id)) { // Prevent unassigning oneself from being admin continue; } by this: if (($topleveladmin && ($removeuser == $USER->id)) || (($removeuser == $USER->id) && !has_capability('moodle/role:unassignself', $context, $removeuser, false)) ) { // Prevent unassigning oneself from being admin continue; } } Cheers