diff --git a/Admin/Installer.php b/Admin/Installer.php
index 20b04a5..d46e5ca 100755
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -14,10 +14,7 @@ declare(strict_types=1);
 
 namespace Modules\Notification\Admin;
 
-use phpOMS\Application\ApplicationAbstract;
-use phpOMS\Config\SettingsInterface;
 use phpOMS\Module\InstallerAbstract;
-use phpOMS\Module\ModuleInfo;
 
 /**
  * Installer class.
@@ -36,12 +33,4 @@ final class Installer extends InstallerAbstract
      * @since 1.0.0
      */
     public const PATH = __DIR__;
-
-    /**
-     * {@inheritdoc}
-     */
-    public static function install(ApplicationAbstract $app, ModuleInfo $info, SettingsInterface $cfgHandler) : void
-    {
-        parent::install($app, $info, $cfgHandler);
-    }
 }
diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index 607b8a8..859542b 100755
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -47,6 +47,8 @@ final class ApiController extends Controller
     public function apiNotificationSeenCreate(RequestAbstract $request, ResponseAbstract $response, array $data = []) : void
     {
         $now = new \DateTimeImmutable('now');
+
+        /** @var \Modules\Notification\Models\Notification[] $notifications */
         $notifications = NotificationMapper::getAll()
             ->where('createdFor', $request->header->account)
             ->where('seenAt', null)
@@ -55,7 +57,7 @@ final class ApiController extends Controller
             ->execute();
 
         foreach ($notifications as $notification) {
-            $new = clone $notification;
+            $new         = clone $notification;
             $new->seenAt = $now;
 
             $this->updateModel($request->header->account, $notification, $new, NotificationMapper::class, 'notification', $request->getOrigin());
@@ -79,7 +81,7 @@ final class ApiController extends Controller
      */
     public function apiNotificationsGet(RequestAbstract $request, ResponseAbstract $response, array $data = []) : void
     {
-        $now = new \DateTimeImmutable('now');
+        $now           = new \DateTimeImmutable('now');
         $notifications = NotificationMapper::getAll()
             ->where('createdFor', $request->header->account)
             ->where('seenAt', null)
diff --git a/Models/Notification.php b/Models/Notification.php
index 69a3d74..57fb249 100755
--- a/Models/Notification.php
+++ b/Models/Notification.php
@@ -131,9 +131,9 @@ class Notification implements \JsonSerializable
      */
     public function __construct()
     {
-        $this->createdBy = new NullAccount();
+        $this->createdBy  = new NullAccount();
         $this->createdFor = new NullAccount();
-        $this->createdAt = new \DateTimeImmutable('now');
+        $this->createdAt  = new \DateTimeImmutable('now');
     }
 
     /**
diff --git a/Models/NotificationMapper.php b/Models/NotificationMapper.php
index d7582b3..208e009 100755
--- a/Models/NotificationMapper.php
+++ b/Models/NotificationMapper.php
@@ -43,14 +43,14 @@ final class NotificationMapper extends DataMapperFactory
         'notification_desc_raw'   => ['name' => 'notification_desc_raw',   'type' => 'string',   'internal' => 'descriptionRaw'],
         'notification_type'       => ['name' => 'notification_type',       'type' => 'int',      'internal' => 'type'],
         'notification_status'     => ['name' => 'notification_status',     'type' => 'int',      'internal' => 'status'],
-        'notification_module'       => ['name' => 'notification_module',       'type' => 'string',   'internal' => 'module'],
-        'notification_category'     => ['name' => 'notification_category',     'type' => 'int',      'internal' => 'category'],
-        'notification_element'     => ['name' => 'notification_element',     'type' => 'int',      'internal' => 'element'],
+        'notification_module'     => ['name' => 'notification_module',       'type' => 'string',   'internal' => 'module'],
+        'notification_category'   => ['name' => 'notification_category',     'type' => 'int',      'internal' => 'category'],
+        'notification_element'    => ['name' => 'notification_element',     'type' => 'int',      'internal' => 'element'],
         'notification_redirect'   => ['name' => 'notification_redirect',      'type' => 'string',   'internal' => 'redirect'],
         'notification_created_by' => ['name' => 'notification_created_by', 'type' => 'int',      'internal' => 'createdBy', 'readonly' => true],
         'notification_for'        => ['name' => 'notification_for', 'type' => 'int',      'internal' => 'createdFor'],
         'notification_created_at' => ['name' => 'notification_created_at', 'type' => 'DateTimeImmutable', 'internal' => 'createdAt', 'readonly' => true],
-        'notification_seen_at' => ['name' => 'notification_seen_at', 'type' => 'DateTimeImmutable', 'internal' => 'seenAt'],
+        'notification_seen_at'    => ['name' => 'notification_seen_at', 'type' => 'DateTimeImmutable', 'internal' => 'seenAt'],
     ];
 
     /**
diff --git a/Theme/Backend/Lang/Navigation.en.lang.php b/Theme/Backend/Lang/Navigation.en.lang.php
index a74ea0b..d683752 100755
--- a/Theme/Backend/Lang/Navigation.en.lang.php
+++ b/Theme/Backend/Lang/Navigation.en.lang.php
@@ -13,5 +13,5 @@
 declare(strict_types=1);
 
 return ['Navigation' => [
-    'Notifications'    => 'Notifications',
+    'Notifications' => 'Notifications',
 ]];
diff --git a/Theme/Backend/Lang/de.lang.php b/Theme/Backend/Lang/de.lang.php
index 725fb62..bb252a0 100644
--- a/Theme/Backend/Lang/de.lang.php
+++ b/Theme/Backend/Lang/de.lang.php
@@ -13,13 +13,13 @@
 declare(strict_types=1);
 
 return ['Notification' => [
-    'Notifications' => 'Nachrichten',
-    'Title' => 'Titel',
-    'Date' => 'Datum',
+    'Notifications'  => 'Nachrichten',
+    'Title'          => 'Titel',
+    'Date'           => 'Datum',
     ':status-text-1' => 'Neues %s Element erstellt',
     ':status-text-2' => '%s Element upgedated',
     ':status-text-3' => 'Neues Element zu %s hinzugefügt',
-    ':status-1' => 'Neu',
-    ':status-2' => 'Update',
-    ':status-3' => 'Update',
-]];
\ No newline at end of file
+    ':status-1'      => 'Neu',
+    ':status-2'      => 'Update',
+    ':status-3'      => 'Update',
+]];
diff --git a/Theme/Backend/Lang/en.lang.php b/Theme/Backend/Lang/en.lang.php
index 53553d4..a27db76 100644
--- a/Theme/Backend/Lang/en.lang.php
+++ b/Theme/Backend/Lang/en.lang.php
@@ -13,14 +13,14 @@
 declare(strict_types=1);
 
 return ['Notification' => [
-    'Notifications' => 'Notifications',
-    'Title' => 'Title',
-    'Date' => 'Date',
-    'MarkSeen' => 'Mark Seen',
+    'Notifications'  => 'Notifications',
+    'Title'          => 'Title',
+    'Date'           => 'Date',
+    'MarkSeen'       => 'Mark Seen',
     ':status-text-1' => 'New %s element created',
     ':status-text-2' => '%s element updated',
     ':status-text-3' => 'New element added to %s',
-    ':status-1' => 'New',
-    ':status-2' => 'Update',
-    ':status-3' => 'Update',
-]];
\ No newline at end of file
+    ':status-1'      => 'New',
+    ':status-2'      => 'Update',
+    ':status-3'      => 'Update',
+]];