diff --git a/mod/quiz/quizfile.php b/mod/quiz/quizfile.php
deleted file mode 100644
index f168a7d0145..00000000000
--- a/mod/quiz/quizfile.php
+++ /dev/null
@@ -1,111 +0,0 @@
-<?PHP // $Id$
-      // This function fetches files from the data directory
-      // Syntax:   quizfile.php/quiz id/question id/dir/.../dir/filename.ext
-      // It is supposed to be used by the quiz module only
-      // I believe this is obsolete, everything should be using moodle/file.php GWD
-
-    require_once('../../config.php');
-    require_once($CFG->libdir.'/filelib.php');
-    require_once('locallib.php');
-
-    if (empty($CFG->filelifetime)) {
-        $lifetime = 86400;     // Seconds for files to remain in caches
-    } else {
-        $lifetime = $CFG->filelifetime;
-    }
-
-    // disable moodle specific debug messages
-    disable_debugging();
-
-    $relativepath = get_file_argument('quizfile.php');
-    
-    if (!$relativepath) {
-        error('No valid arguments supplied or incorrect server configuration');
-    }
-    
-    // extract relative path components
-    $args = explode('/', trim($relativepath, '/'));
-    if (count($args) < 3) { // always at least category, question and path
-        error('No valid arguments supplied');
-    }
-    
-    $quizid       = (int)array_shift($args);
-    $questionid   = (int)array_shift($args);
-    $relativepath = implode ('/', $args);
-
-    if (!($question = get_record('question', 'id', $questionid))) {
-        error('No valid arguments supplied');
-    }
-
-    if (!($questioncategory = get_record('question_categories', 'id', $question->category))) {
-        error('No valid arguments supplied');
-    }
-
-    /////////////////////////////////////
-    // Check access
-    /////////////////////////////////////
-    if ($quizid == 0) { // teacher doing preview during quiz creation
-        if ($questioncategory->publish) {
-            require_login();
-            if (!isteacherinanycourse()) {
-              error('No valid arguments supplied');
-            }
-        } else {
-            require_login($questioncategory->course);
-            $cm = get_coursemodule_from_instance('quiz', $quizid);
-            require_capability('mod/quiz:preview', get_context_instance(CONTEXT_MODULE, $cm->id));
-        }        
-    } else {
-        if (!($quiz = get_record('quiz', 'id', $quizid))) {
-            error('No valid arguments supplied');
-        }
-        if (!($course = get_record('course', 'id', $quiz->course))) {
-            error('No valid arguments supplied');
-        }
-        require_login($course->id);
-        
-        // For now, let's not worry about this.  The following check causes 
-        // problems sometimes when reviewing a quiz
-        //if (!isteacher($course->id)
-        //    and !quiz_get_user_attempt_unfinished($quiz->id, $USER->id)
-        //    and ! ($quiz->review  &&  time() > $quiz->timeclose)
-        //        || !quiz_get_user_attempts($quiz->id, $USER->id) )
-        //{
-        //    error("Logged-in user is not allowed to view this quiz");
-        //}
-    
-        ///////////////////////////////////////////////////
-        // The logged-in user has the right to view material on this quiz!
-        // Now verify the consistency between $quiz, $question, its category and $relativepathname
-        ///////////////////////////////////////////////////
-    
-        // For now, let's not worry about this.  The following check doesn't 
-        // work for randomly selected questions and it gets complicated
-        //if (!in_array($question->id, explode(',', $quiz->questions), FALSE)) {
-        //    error("Specified question is not on the specified quiz");
-        //}
-    }
-
-    // Have the question check whether it uses this file or not
-    if (!$QTYPES[$question->qtype]->uses_quizfile($question,
-                                                       $relativepath)) {
-        error("The specified file path is not on the specified question");
-    }
-
-
-    ///////////////////////////////////////////
-    // All security stuff is now taken care of.
-    // Specified file can now be returned...
-    //////////////////////////////////////////
-
-    $pathname = "$CFG->dataroot/$questioncategory->course/$relativepath";
-    $filename = $args[count($args)-1];
-
-
-    if (file_exists($pathname)) {
-        send_file($pathname, $filename, $lifetime);
-    } else {
-        header('HTTP/1.0 404 not found');
-        print_error('filenotfound', 'error'); //this is not displayed on IIS??
-    }
-?>
diff --git a/question/type/datasetdependent/abstractqtype.php b/question/type/datasetdependent/abstractqtype.php
index 54edd15fc0d..ae32d2b1074 100644
--- a/question/type/datasetdependent/abstractqtype.php
+++ b/question/type/datasetdependent/abstractqtype.php
@@ -88,26 +88,6 @@ class question_dataset_dependent_questiontype extends default_questiontype {
         return $str;
     }
 
-    function uses_quizfile($question, $relativefilepath) {
-        // Check whether the specified file is available by any
-        // dataset item on this question...
-        global $CFG;
-        if (get_record_sql(" SELECT *
-                 FROM {$CFG->prefix}question_dataset_items i,
-                      {$CFG->prefix}question_dataset_definitions d,
-                      {$CFG->prefix}question_datasets q
-                WHERE i.value = '$relativefilepath'
-                  AND d.id = i.definition AND d.type = 2
-                  AND d.id = q.datasetdefinition
-                  AND q.question = $question->id ")) {
-
-            return true;
-        } else {
-            // Make the check of the parent:
-            return parent::uses_quizfile($question, $relativefilepath);
-        }
-    }
-
     function finished_edit_wizard(&$form) {
         return isset($form->backtoquiz);
     }