diff --git a/public/main/lp/LpItemOrderList.php b/public/main/lp/LpItemOrderList.php
deleted file mode 100644
index 3e368166ff..0000000000
--- a/public/main/lp/LpItemOrderList.php
+++ /dev/null
@@ -1,75 +0,0 @@
-<?php
-/* For licensing terms, see /license.txt */
-
-/**
- * Class LpItemOrderList.
- *
- * Classes to create a special data structure to manipulate LP Items used only in this file.
- */
-class LpItemOrderList
-{
-    public $list = [];
-
-    /**
-     * LpItemOrderList constructor.
-     */
-    public function __construct()
-    {
-        $this->list = [];
-    }
-
-    /**
-     * @param int $parentId
-     *
-     * @return LpItemOrderList
-     */
-    public function getItemWithSameParent($parentId)
-    {
-        $list = new LpItemOrderList();
-        for ($i = 0; $i < count($this->list); $i++) {
-            if ($this->list[$i]->parent_item_id == $parentId) {
-                $list->add($this->list[$i]);
-            }
-        }
-
-        return $list;
-    }
-
-    /**
-     * @param array $list
-     */
-    public function add($list)
-    {
-        $this->list[] = $list;
-    }
-
-    /**
-     * @return array
-     */
-    public function getListOfParents()
-    {
-        $result = [];
-        foreach ($this->list as $item) {
-            if (!in_array($item->parent_item_id, $result)) {
-                $result[] = $item->parent_item_id;
-            }
-        }
-
-        return $result;
-    }
-
-    /**
-     * @param int    $id
-     * @param int    $value
-     * @param string $parameter
-     */
-    public function setParametersForId($id, $value, $parameter)
-    {
-        for ($i = 0; $i < count($this->list); $i++) {
-            if ($this->list[$i]->id == $id) {
-                $this->list[$i]->$parameter = $value;
-                break;
-            }
-        }
-    }
-}
diff --git a/public/main/lp/LpOrderItem.php b/public/main/lp/LpOrderItem.php
deleted file mode 100644
index 6bfe038656..0000000000
--- a/public/main/lp/LpOrderItem.php
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-/* For licensing terms, see /license.txt */
-
-/**
- * Class LpOrderItem.
- */
-class LpOrderItem
-{
-    public $id = 0;
-    public $parent_item_id = 0;
-    public $previous_item_id = 0;
-    public $next_item_id = 0;
-    public $display_order = 0;
-
-    /**
-     * LpOrderItem constructor.
-     *
-     * @param int $id
-     * @param int $parentId
-     */
-    public function __construct($id = 0, $parentId = 0)
-    {
-        $this->id = $id;
-        $this->parent_item_id = $parentId;
-    }
-}