diff --git a/libraries/transformations/global.inc.php b/libraries/transformations/global.inc.php
index 87c7c903f5..2c0ef7ba99 100644
--- a/libraries/transformations/global.inc.php
+++ b/libraries/transformations/global.inc.php
@@ -25,16 +25,6 @@
 /**
  *
  */
-function PMA_transformation_global_plain($buffer, $options = array(), $meta = '')
-{
-    return htmlspecialchars($buffer);
-}
-
-function PMA_transformation_global_html($buffer, $options = array(), $meta = '')
-{
-    return $buffer;
-}
-
 function PMA_transformation_global_html_replace($buffer, $options = array(), $meta = '')
 {
     if (!isset($options['string'])) {