diff --git a/Models/Article.php b/Models/Article.php
index e69de29..f09275a 100644
--- a/Models/Article.php
+++ b/Models/Article.php
@@ -0,0 +1,28 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.4
+ *
+ * @package   Modules\Purchase\Models
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\Purchase\Models;
+
+/**
+ * Article class.
+ *
+ * @package Modules\Purchase\Models
+ * @license OMS License 1.0
+ * @link    https://orange-management.org
+ * @since   1.0.0
+ */
+class Article
+{
+
+}
diff --git a/Models/Invoice.php b/Models/Invoice.php
index e69de29..11aba98 100644
--- a/Models/Invoice.php
+++ b/Models/Invoice.php
@@ -0,0 +1,28 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.4
+ *
+ * @package   Modules\Purchase\Models
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\Purchase\Models;
+
+/**
+ * Invoice class.
+ *
+ * @package Modules\Purchase\Models
+ * @license OMS License 1.0
+ * @link    https://orange-management.org
+ * @since   1.0.0
+ */
+class Invoice
+{
+
+}
diff --git a/Models/OrderSuggestion.php b/Models/OrderSuggestion.php
index e69de29..43771af 100644
--- a/Models/OrderSuggestion.php
+++ b/Models/OrderSuggestion.php
@@ -0,0 +1,28 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.4
+ *
+ * @package   Modules\Purchase\Models
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\Purchase\Models;
+
+/**
+ * OrderSuggestion class.
+ *
+ * @package Modules\Purchase\Models
+ * @license OMS License 1.0
+ * @link    https://orange-management.org
+ * @since   1.0.0
+ */
+class OrderSuggestion
+{
+
+}
diff --git a/Models/Supplier.php b/Models/Supplier.php
deleted file mode 100644
index e69de29..0000000