diff --git a/lib/filelib.php b/lib/filelib.php
index b3fa8f24dc5..8a35373b8c3 100644
--- a/lib/filelib.php
+++ b/lib/filelib.php
@@ -4214,7 +4214,6 @@ class cache_file {
      * @return string cached file path
      */
     public static function create_from_url($ref, $url, $options = array()) {
-        global $CFG;
         $instance = self::get_instance($options);
         $cachedfilepath = $instance->generate_filepath($ref);
         $fp = fopen($cachedfilepath, 'w');
@@ -4234,7 +4233,6 @@ class cache_file {
      * @return string cached file path
      */
     public static function create_from_string($ref, $string, $options = array()) {
-        global $CFG;
         $instance = self::get_instance($options);
         $cachedfilepath = $instance->generate_filepath($ref);
         $fp = fopen($cachedfilepath, 'w');