diff --git a/Models/EmployeeHistory.php b/Models/EmployeeHistory.php
index e69de29..daeddf3 100644
--- a/Models/EmployeeHistory.php
+++ b/Models/EmployeeHistory.php
@@ -0,0 +1,31 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.0
+ *
+ * @category   TBD
+ * @package    TBD
+ * @author     OMS Development Team <dev@oms.com>
+ * @author     Dennis Eichhorn <d.eichhorn@oms.com>
+ * @copyright  2013 Dennis Eichhorn
+ * @license    OMS License 1.0
+ * @version    1.0.0
+ * @link       http://orange-management.com
+ */
+namespace Modules\HumanResourceManagement\Models;
+
+/**
+ * Employee class.
+ *
+ * @category   HumanResources
+ * @package    Framework
+ * @author     OMS Development Team <dev@oms.com>
+ * @author     Dennis Eichhorn <d.eichhorn@oms.com>
+ * @license    OMS License 1.0
+ * @link       http://orange-management.com
+ * @since      1.0.0
+ */
+class EmployeeHistory {
+
+}
\ No newline at end of file
diff --git a/Models/EmployeeHistoryMapper.php b/Models/EmployeeHistoryMapper.php
index e69de29..e33ed0d 100644
--- a/Models/EmployeeHistoryMapper.php
+++ b/Models/EmployeeHistoryMapper.php
@@ -0,0 +1,22 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.0
+ *
+ * @category   TBD
+ * @package    TBD
+ * @author     OMS Development Team <dev@oms.com>
+ * @author     Dennis Eichhorn <d.eichhorn@oms.com>
+ * @copyright  2013 Dennis Eichhorn
+ * @license    OMS License 1.0
+ * @version    1.0.0
+ * @link       http://orange-management.com
+ */
+namespace Modules\HumanResourceManagement\Models;
+
+use phpOMS\DataStorage\Database\DataMapperAbstract;
+
+class EmployeeHistoryMapper extends DataMapperAbstract
+{
+}
diff --git a/Models/EmployeeMapper.php b/Models/EmployeeMapper.php
index 067617e..1431244 100644
--- a/Models/EmployeeMapper.php
+++ b/Models/EmployeeMapper.php
@@ -16,8 +16,6 @@
 namespace Modules\HumanResourceManagement\Models;
 
 use Modules\Admin\Models\AccountMapper;
-use Modules\HumanResourceManagement\Models\EmployeeHistoryMapper;
-use Modules\HumanResourceManagement\Models\EmployeeStatus;
 use phpOMS\DataStorage\Database\DataMapperAbstract;
 
 class EmployeeMapper extends DataMapperAbstract
@@ -31,7 +29,7 @@ class EmployeeMapper extends DataMapperAbstract
      */
     protected static $columns = [
         'hr_staff_id'         => ['name' => 'hr_staff_id', 'type' => 'int', 'internal' => 'id'],
-        'hr_staff'     => ['name' => 'hr_staff', 'type' => 'int', 'internal' => 'account'],
+        'hr_staff_account'     => ['name' => 'hr_staff_account', 'type' => 'int', 'internal' => 'account'],
     ];
 
     protected static $ownsOne = [
@@ -42,20 +40,6 @@ class EmployeeMapper extends DataMapperAbstract
     ];
 
     protected static $hasMany = [
-        'history' => [
-            'mapper' => EmployeeHistoryMapper::class,
-            'relationmapper' => EmployeeHistoryMapper::class,
-            'table' => 'hr_history',
-            'src' => 'hr_history_staff',
-            'dst' => null,
-        ],
-        'status' => [
-            'mapper' => EmployeeStatus::class,
-            'relationmapper' => EmployeeStatus::class,
-            'table' => 'hr_status',
-            'src' => 'hr_status_staff',
-            'dst' => null,
-        ],
     ];
 
     /**