diff --git a/cache/locallib.php b/cache/locallib.php
index c28de55c85b..860fb376963 100644
--- a/cache/locallib.php
+++ b/cache/locallib.php
@@ -1191,7 +1191,7 @@ abstract class cache_administration_helper extends cache_helper {
      * @return array
      */
     public static function get_addable_lock_options() {
-        $plugins = get_plugin_list_with_class('cachelock', '', 'lib.php');
+        $plugins = core_component::get_plugin_list_with_class('cachelock', '', 'lib.php');
         $options = array();
         $len = strlen('cachelock_');
         foreach ($plugins as $plugin => $class) {
diff --git a/lib/questionlib.php b/lib/questionlib.php
index 86abddccdb7..df181a260d8 100644
--- a/lib/questionlib.php
+++ b/lib/questionlib.php
@@ -1232,7 +1232,7 @@ function get_import_export_formats($type) {
     global $CFG;
     require_once($CFG->dirroot . '/question/format.php');
 
-    $formatclasses = get_plugin_list_with_class('qformat', '', 'format.php');
+    $formatclasses = core_component::get_plugin_list_with_class('qformat', '', 'format.php');
 
     $fileformatname = array();
     foreach ($formatclasses as $component => $formatclass) {
diff --git a/mod/quiz/accessmanager.php b/mod/quiz/accessmanager.php
index 4d7ad31b6e1..bce1dcef4bf 100644
--- a/mod/quiz/accessmanager.php
+++ b/mod/quiz/accessmanager.php
@@ -90,7 +90,7 @@ class quiz_access_manager {
      * @return array of all the installed rule class names.
      */
     protected static function get_rule_classes() {
-        return get_plugin_list_with_class('quizaccess', '', 'rule.php');
+        return core_component::get_plugin_list_with_class('quizaccess', '', 'rule.php');
     }
 
     /**