diff --git a/lib/tablelib.php b/lib/tablelib.php
index 476fd9bcfa6..78bade9465f 100644
--- a/lib/tablelib.php
+++ b/lib/tablelib.php
@@ -1306,7 +1306,6 @@ class flexible_table {
 
             if (array_key_exists($sortby, $sortdata)) {
                 // This key already exists somewhere. Change its sortorder and bring it to the top.
-                //$sortorder = $sortdata[$sortby] = $sortorder;
                 unset($sortdata[$sortby]);
             }
             $sortdata = array_merge([$sortby => $sortorder], $sortdata);