diff --git a/README.md b/README.md
index 063f39a..d14334e 100644
--- a/README.md
+++ b/README.md
@@ -1,14 +1,3 @@
-### Installation
-
-## Datenbank
-    ALTER TABLE `oxorder`
-    ADD COLUMN `D3LEITWEGID` VARCHAR(25) NOT NULL COMMENT 'xRechnung' AFTER `OSC_AMAZON_REMARK`
-
-## Composer
-    composer require d3/xrechnung:dev-modules/rel_mod_xrechnung
-
-## Zugangsdaten
-  Die Zugangdaten hinter https://xrechnung.DOMAIN.TLD/xrechnung.php? entsprechend modifizieren - .env.
-
+### XRechnung4OXID
 
 
diff --git a/composer.json b/composer.json
deleted file mode 100644
index f61f220..0000000
--- a/composer.json
+++ /dev/null
@@ -1,37 +0,0 @@
-{
-  "name": "d3/xrechnung",
-  "description": "xRechnung",
-  "type": "oxideshop-module",
-  "keywords": [
-    "oxid",
-    "modules",
-    "eShop",
-    "d3"
-  ],
-  "authors": [
-    {
-      "name": "D3 Data Development (Inh. Thomas Dartsch)",
-      "email": "info@shopmodule.com",
-      "homepage": "https://www.d3data.de",
-      "role": "Owner"
-    }
-  ],
-  "support": {
-    "email": "support@shopmodule.com"
-  },
-  "homepage": "https://www.oxidmodule.com/",
-
-  "require": {
-  },
-  "extra": {
-    "oxideshop": {
-      "source-directory": "/src",
-      "target-directory": "d3/xrechnung"
-    }
-  },
-  "autoload": {
-    "psr-4": {
-      "D3\\XRechnung\\": "../../../source/modules/d3/xrechnung"
-    }
-  }
-}
diff --git a/src/Application/views/admin/blocks/order_overview.tpl b/src/Application/views/admin/blocks/order_overview.tpl
deleted file mode 100644
index 1154ff7..0000000
--- a/src/Application/views/admin/blocks/order_overview.tpl
+++ /dev/null
@@ -1,51 +0,0 @@
-[{$smarty.block.parent}]
-
-[{if $edit && $oView->d3CanExport() && $oViewConf->getActiveClassName()|oxlower == 'order_overview'}]
-    <br>
-    <form name="d3CreateXml" id="d3CreateXml" action="[{$oViewConf->getSelfLink()}]" method="post" target="expXML">
-        [{$oViewConf->getHiddenSid()}]
-        <input type="hidden" name="cl" value="order_overview">
-        <input type="hidden" name="fnc" value="createXRechnung">
-        <input type="hidden" name="oxid" value="[{$oxid}]">
-        <input type="hidden" name="xmllanguage" value="0">
-        <fieldset style="padding: 5px">
-            <legend>xRechnung</legend>
-            <table style="width: 100%">
-                <tr>
-                    <td rowspan="3">
-                        <img src="[{$oViewConf->getModuleUrl('d3xrechnung', 'out/img/xrechnung.png')}]" style="height:4em;width:4em" alt="[{oxmultilang ident="D3_PDFDOCUMENTS"}]">
-                    </td>
-                    <td style="vertical-align: top; text-align: right" class="edittext">
-                        <label for="exporttype">xRechnung</label>:&nbsp;
-                        <select id="exporttype" name="pdftype" class="editinput" style="width:80px;">
-                            <option value="xml" SELECTED>XML
-                        </select>
-                    </td>
-                </tr>
-                <tr>
-                    <td style="text-align: right" class="edittext">
-                        <label for="xmllanguage">Leitweg-ID:</label>
-                        <input type="text" class="editinput" size="15" maxlength="[{$edit->oxorder__d3leitwegid->fldmax_length}]" name="editval[oxorder__d3leitwegid]"
-                               value="[{$edit->oxorder__d3leitwegid->value}]" [{$readonly}]>
-                    </td>
-                </tr>
-                [{*<tr>
-                    <td style="text-align: right" class="edittext">
-                        <label for="xmllanguage">Sprache</label>
-                        <select id="xmllanguage" name="pdflanguage" class="saveinnewlanginput" style="width:80px;">
-                            [{foreach from=$alangs key=lang item=slang}]
-                                <option value="[{$lang}]" [{if $lang == "0"}]SELECTED[{/if}]>[{$slang}]</option>
-                            [{/foreach}]
-                        </select>
-                    </td>
-                </tr>*}]
-                <tr>
-                    <td style="text-align: right" class="edittext"><br/>
-                        <input type="submit" class="edittext" name="save" value="Export">
-                        <iframe name="expXML" style="width: 0; height: 0; border: none; display:none;"></iframe>
-                    </td>
-                </tr>
-            </table>
-        </fieldset>
-    </form>
-[{/if}]
\ No newline at end of file
diff --git a/src/Application/views/admin/de/config_lang.php b/src/Application/views/admin/de/config_lang.php
deleted file mode 100644
index 6b2181d..0000000
--- a/src/Application/views/admin/de/config_lang.php
+++ /dev/null
@@ -1,29 +0,0 @@
-<?php
-/**
- * This Software is the property of Data Development and is protected
- * by copyright law - it is NOT Freeware.
- *
- * Any unauthorized use of this software without a valid license
- * is a violation of the license agreement and will be prosecuted by
- * civil and criminal law.
- *
- * http://www.shopmodule.com
- *
- * @copyright (C) D3 Data Development (Inh. Thomas Dartsch)
- * @author    D3 Data Development - Daniel Seifert <support@shopmodule.com>
- * @link      http://www.oxidmodule.com
- */
-
-// @codeCoverageIgnoreStart
-
-$sLangName = "Deutsch";
-$iLangNr   = 0;
-
-$aLang = array(
-    //Navigation
-    'charset'                                            => 'UTF-8',
-    'SHOP_MODULE_GROUP_d3xrechnung'                      => 'Einstellungen',
-    'SHOP_MODULE_d3xrechnung_PATH_GENERATOR'             => 'Pfad xRechnung',
-    'SHOP_MODULE_d3xrechnung_HTACCESS_USER'              => '.htaccess - User',
-    'SHOP_MODULE_d3xrechnung_HTACCESS_PASSWORD'          => '.htaccess - Password',
-);
\ No newline at end of file
diff --git a/src/Modules/Application/Controller/Admin/OrderOverview.php b/src/Modules/Application/Controller/Admin/OrderOverview.php
deleted file mode 100644
index fb9ce80..0000000
--- a/src/Modules/Application/Controller/Admin/OrderOverview.php
+++ /dev/null
@@ -1,58 +0,0 @@
-<?php
-
-namespace D3\XRechnung\Modules\Application\Controller\Admin;
-
-use OxidEsales\Eshop\Core\Registry;
-
-class OrderOverview extends OrderOverview_parent
-{
-    public function createXRechnung()
-    {
-        $soxId = $this->getEditObjectId();
-        if ($soxId != "-1" && isset($soxId)) {
-            // load object
-            $oOrder = oxNew(\OxidEsales\Eshop\Application\Model\Order::class);
-            if ($oOrder->load($soxId)) {
-                $oConfig = $this->getConfig();
-                $aParams = $oConfig->getRequestParameter("editval");
-
-                if($aParams["oxorder__d3leitwegid"])
-                {
-                    $oOrder->assign(
-                        array('d3leitwegid'     =>      $aParams["oxorder__d3leitwegid"])
-                    );
-                    $oOrder->save();
-                }
-
-                $oUtils = \OxidEsales\Eshop\Core\Registry::getUtils();
-                $sTrimmedBillName = trim($oOrder->oxorder__oxbilllname->getRawValue());
-                if(!$sTrimmedBillName) {
-                    return FALSE;
-                }
-                else {
-                    $strx=array('#[^a-zA-Z0-9äöüß\040]#','# +#','#ä#','#ö#','#ü#','#ß#');
-                    $stry=array(' ',' ','ae','oe','ue','ss');
-                    $sTrimmedBillName=preg_replace($strx,$stry,$sTrimmedBillName);
-                    $sTrimmedBillName=trim($sTrimmedBillName);
-                    $sTrimmedBillName=strtolower($sTrimmedBillName);
-                }
-                $sFilename = $oOrder->oxorder__oxordernr->value . "_" . $sTrimmedBillName . ".xml";
-                $sFilename = $this->makeValidFileName($sFilename);
-                ob_start();
-                $oOrder->genXRechnung($sFilename, \OxidEsales\Eshop\Core\Registry::getConfig()->getRequestParameter("xmllanguage"), false);
-
-                $myConfig = Registry::getConfig();
-
-                echo file_get_contents($myConfig->getConfigParam('sShopDir')."/export/xml/".$sFilename);
-                $sXML = ob_get_contents();
-                ob_end_clean();
-                $oUtils->setHeader("Pragma: public");
-                $oUtils->setHeader("Cache-Control: must-revalidate, post-check=0, pre-check=0");
-                $oUtils->setHeader("Expires: 0");
-                $oUtils->setHeader("Content-type: application/xml");
-                $oUtils->setHeader("Content-Disposition: attachment; filename=" . $sFilename);
-                \OxidEsales\Eshop\Core\Registry::getUtils()->showMessageAndExit($sXML);
-            }
-        }
-    }
-}
diff --git a/src/Modules/Application/Model/Order.php b/src/Modules/Application/Model/Order.php
deleted file mode 100644
index d345bc8..0000000
--- a/src/Modules/Application/Model/Order.php
+++ /dev/null
@@ -1,84 +0,0 @@
-<?php
-
-namespace D3\XRechnung\Modules\Application\Model;
-
-use OxidEsales\Eshop\Core\Registry;
-use GuzzleHttp\Client;
-use GuzzleHttp\Psr7;
-use GuzzleHttp\Exception\ClientException;
-
-class Order extends Order_parent
-{
-    public function genXRechnung(string $sFilename, int $iSelLang = 0, bool $sendContent = false)
-    {
-        $blIsNewOrder = 0;
-        // setting invoice number
-        if (!$this->oxorder__oxbillnr->value) {
-            $this->oxorder__oxbillnr->setValue($this->getNextBillNum());
-            $blIsNewOrder = 1;
-        }
-        // setting invoice date
-        if ($this->oxorder__oxbilldate->value == '0000-00-00') {
-            $this->oxorder__oxbilldate->setValue(date('Y-m-d', mktime(0, 0, 0, date('m'), date('d'), date('Y'))));
-            $blIsNewOrder = 1;
-        }
-
-        if ($blIsNewOrder) {
-            $this->save();
-        }
-
-        // adding info data
-        switch (\OxidEsales\Eshop\Core\Registry::getConfig()->getRequestParameter('exporttype')) {
-            case ('xml'):
-                return $this->getXRechnungXml($sFilename, $this->getId(), $iSelLang, $sendContent);
-                break;
-            default:
-                return $this->getXRechnungXml($sFilename, $this->getId(), $iSelLang, $sendContent);
-        }
-    }
-
-    /**
-     * @param $sOrderId
-     * @return true
-     */
-    protected function getXRechnungXml(string $sFilename, string $sOrderId, int $iSelLang,  bool $sendContent = false)
-    {
-        $oConfig = Registry::getConfig();
-        $oConfig->getConfigParam('d3xrechnung_PATH_GENERATOR');
-
-        $sPathDetails = $oConfig->getConfigParam('d3xrechnung_PATH_GENERATOR');
-        $sPathDetails .= 'orderid='.$sOrderId;
-        $sPathDetails .= '&filename='.$sFilename;
-        $sPathDetails .= '&iSelLang='.$iSelLang;
-        $sPathDetails .= '&sendContent='.$sendContent;
-        $sPathDetails .= '&combinexmlpdf=false';
-
-        $sUser = $oConfig->getConfigParam('d3xrechnung_HTACCESS_USER');
-        $sPassword = $oConfig->getConfigParam('d3xrechnung_HTACCESS_PASSWORD');
-
-        $client = new Client();
-        try {
-            /*
-            $response = $client->request('GET', $sPathDetails,
-                ['auth' => ['schmidt', 'tGiVLrBQik!8']]
-            );
-            */
-
-            $response = $client->request('GET', $sPathDetails,
-                ['auth' => [$sUser, $sPassword]]
-            );
-
-            if($sendContent) {
-                return $response->getBody(); // '{"id": 1420053, "name": "guzzle", ...}'
-            }
-            return true;
-        }
-        catch (ClientException $exception) {
-            $logger = Registry::getLogger();
-            $logger->error(Psr7\Message::toString($exception->getRequest()), [$exception]);
-            $logger->error(Psr7\Message::toString($exception->getResponse()), [$exception]);
-        }
-        return true;
-    }
-
-}
diff --git a/src/metadata.php b/src/metadata.php
deleted file mode 100644
index b89401f..0000000
--- a/src/metadata.php
+++ /dev/null
@@ -1,84 +0,0 @@
-<?php
-
-/**
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- *
- * https://www.d3data.de
- *
- * @copyright (C) D3 Data Development (Inh. Thomas Dartsch)
- * @author    D3 Data Development - Daniel Seifert <info@shopmodule.com>
- * @link      https://www.oxidmodule.com
- */
-
-declare(strict_types=1);
-
-use D3\DelUserExtension\Modules\Controller\Admin\userDeletingList;
-use D3\DelUserExtension\Modules\Controller\Admin\userDeletingMain;
-use D3\DelUserExtension\Modules\Core\Model\ListModel;
-
-$sMetadataVersion = '2.1';
-
-$sModuleId = 'd3xrechnung';
-$logo = '<img src="https://logos.oxidmodule.com/d3logo.svg" alt="(D3)" style="height:1em;width:1em">';
-
-/**
- * Module information
- */
-$aModule = [
-    'id'          => $sModuleId,
-    'title'       => $logo.' Anpassung: xRechnung / Zugferd',
-    'description' => [
-        'de' => '<hr>
-        Ruft den Generator auf, und gibt die erstellte XML-Datei an den Browser zum Download aus.<br>
-Der Pfad und Zugangsschutz zum Generator wird in der Konfiguration des Moduls hinterlegt.
-<hr>        
-        <strong>Pfad:</strong> https://xrechnung.DOMAIN.TLD/xrechnung.php?<br>
-        <strong>Validierung:</strong><a href="https://www.epoconsulting.com/erechnung-sap/xrechnung-validator" target="_blank">https://www.epoconsulting.com/erechnung-sap/xrechnung-validator</a><br>
-        <strong>Tickets:</strong>
-        <ul>
-        <li>xxx: Ticket</li>
-</ul>
-        ',
-        'en' => '',
-    ],
-    'thumbnail'   => 'picture.png',
-    'version'     => '1.0.0',
-    'author'      => $logo.' Data Development (Inh.: Thomas Dartsch)',
-    'email'       => 'support@shopmodule.com',
-    'url'         => 'https://www.oxidmodule.com/',
-    'extend'      => [
-        \OxidEsales\Eshop\Application\Controller\Admin\OrderOverview::class => D3\XRechnung\Modules\Application\Controller\Admin\OrderOverview::class,
-        \OxidEsales\Eshop\Application\Model\Order::class => \D3\XRechnung\Modules\Application\Model\Order::class
-    ],
-    'templates'   => [
-    ],
-    'settings'    => [
-        [
-            'group' => 'd3xrechnung',
-            'name'  => 'd3xrechnung_PATH_GENERATOR',
-            'type'  => 'str',
-            'value' => 'https://xrechnung.DOMAIN.TLD/xrechnung.php?'
-        ],
-        [
-            'group' => 'd3xrechnung',
-            'name'  => 'd3xrechnung_HTACCESS_USER',
-            'type'  => 'str',
-            'value' => ''
-        ],
-        [
-            'group' => 'd3xrechnung',
-            'name'  => 'd3xrechnung_HTACCESS_PASSWORD',
-            'type'  => 'str',
-            'value' => ''
-        ],
-    ],
-    'blocks'      => array(
-        array(
-            'template' => 'order_overview.tpl',
-            'block'    => 'admin_order_overview_export',
-            'file'     => 'Application/views/admin/blocks/order_overview.tpl',
-            'position' => 100
-        ),
-    ),
-];
diff --git a/src/out/img/xrechnung.png b/src/out/img/xrechnung.png
deleted file mode 100644
index 3fe6b1d..0000000
Binary files a/src/out/img/xrechnung.png and /dev/null differ
diff --git a/src/picture.png b/src/picture.png
deleted file mode 100644
index d817ed4..0000000
Binary files a/src/picture.png and /dev/null differ