diff --git a/Algorithm/AlgorithmType.php b/Algorithm/AlgorithmType.php
deleted file mode 100644
index 57b1c37fb..000000000
--- a/Algorithm/AlgorithmType.php
+++ /dev/null
@@ -1,32 +0,0 @@
-<?php
-/**
- * Orange Management
- *
- * PHP Version 7.1
- *
- * @category   TBD
- * @package    TBD
- * @copyright  Dennis Eichhorn
- * @license    OMS License 1.0
- * @version    1.0.0
- * @link       http://orange-management.com
- */
-declare(strict_types = 1);
-
-namespace phpOMS\Algorithm;
-
-use phpOMS\Stdlib\Base\Enum;
-
-/**
- * Task status enum.
- *
- * @category   Tasks
- * @package    Modules
- * @license    OMS License 1.0
- * @link       http://orange-management.com
- * @since      1.0.0
- */
-abstract class AlgorithmType extends Enum
-{
-    /* public */ const BRUTEFORCE = 0;
-}
diff --git a/Algorithm/Knappsack/Backpack.php b/Algorithm/Knappsack/Backpack.php
deleted file mode 100644
index 7bc983eaf..000000000
--- a/Algorithm/Knappsack/Backpack.php
+++ /dev/null
@@ -1,89 +0,0 @@
-<?php
-/**
- * Orange Management
- *
- * PHP Version 7.1
- *
- * @category   TBD
- * @package    TBD
- * @copyright  Dennis Eichhorn
- * @license    OMS License 1.0
- * @version    1.0.0
- * @link       http://orange-management.com
- */
-declare(strict_types = 1);
-
-namespace phpOMS\Algorithm\Knappsack;
-use phpOMS\Algorithm\AlgorithmType;
-
-/**
- * Knappsack algorithm implementations
- *
- * @category   Framework
- * @package    phpOMS\Auth
- * @license    OMS License 1.0
- * @link       http://orange-management.com
- * @since      1.0.0
- */
-class Backpack
-{
-    private $costMaximum = 0;
-
-    private $value = 0;
-
-    private $cost = 0;
-
-    private $items = [];
-
-    private $population = [];
-
-    public function __construct(float $costMaximum) 
-    {
-        $this->costMaximum = $costMaximum;
-    }
-
-    public function addPopulationItem(ItemInterface $item) : bool
-    {
-        if (isset($this->population[$item->getId()])) {
-            return false;
-        }
-
-        $this->population[$item->getId()] = $item;
-
-        return true;
-    }
-
-    public function setPopulationItem(ItemInterface $item)  /* : void */
-    {
-        $this->population[$item->getId()] = $item;
-    }
-
-    public function setCostCalculation(\Closure $callback) /* : void */
-    {
-
-    }
-
-    public function setValueCalculation(\Closure $callback) /* : void */
-    {
-
-    }
-
-    public function setTestPopulationBuilder(\Closure $callback) /* : void */
-    {
-
-    }
-
-    public function pack(int $type) 
-    {
-        switch ($type) {
-            case AlgorithmType::BRUTEFORCE:
-                return $this->bruteforce();
-            default:
-                throw new \Exception('Invalid algorithm type');
-        }
-    }
-
-    public function bruteforce()
-    {
-    }
-}
\ No newline at end of file
diff --git a/Algorithm/Knappsack/ItemInterface.php b/Algorithm/Knappsack/ItemInterface.php
deleted file mode 100644
index d01ec0ddc..000000000
--- a/Algorithm/Knappsack/ItemInterface.php
+++ /dev/null
@@ -1,30 +0,0 @@
-<?php
-/**
- * Orange Management
- *
- * PHP Version 7.1
- *
- * @category   TBD
- * @package    TBD
- * @copyright  Dennis Eichhorn
- * @license    OMS License 1.0
- * @version    1.0.0
- * @link       http://orange-management.com
- */
-declare(strict_types = 1);
-
-namespace phpOMS\Algorithm\Knappsack;
-
-/**
- * Shape interface.
- *
- * @category   Framework
- * @package    phpOMS\Math
- * @license    OMS License 1.0
- * @link       http://orange-management.com
- * @since      1.0.0
- */
-interface ItemInterface
-{
-
-}