diff --git a/Admin/Routes/Web/Backend.php b/Admin/Routes/Web/Backend.php
index e83557b..c31f5df 100644
--- a/Admin/Routes/Web/Backend.php
+++ b/Admin/Routes/Web/Backend.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 
 use Modules\Support\Controller\BackendController;
 use Modules\Support\Models\PermissionState;
diff --git a/Controller/Controller.php b/Controller/Controller.php
index ec4556e..e777c3f 100644
--- a/Controller/Controller.php
+++ b/Controller/Controller.php
@@ -68,7 +68,7 @@ class Controller extends ModuleAbstract implements WebInterface
      * @since 1.0.0
      */
     protected static $providing = [
-        'Navigation'
+        'Navigation',
     ];
 
     /**
diff --git a/Models/Issue.php b/Models/Issue.php
index 96dabca..c2099da 100644
--- a/Models/Issue.php
+++ b/Models/Issue.php
@@ -75,16 +75,12 @@ class Issue
         return self::$instances[$id];
     }
 
-    /**
-     * 
-     */
+
     public function init($id) : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function __clone()
     {
     }
@@ -124,37 +120,27 @@ class Issue
         $this->creator = $creator;
     }
 
-    /**
-     * 
-     */
+
     public function delete() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function create() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function update() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function serialize() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function unserialize($data) : void
     {
     }
diff --git a/Models/Message.php b/Models/Message.php
index 388dfa4..8c0c0ab 100644
--- a/Models/Message.php
+++ b/Models/Message.php
@@ -103,37 +103,27 @@ class Message
         $this->creator = $creator;
     }
 
-    /**
-     * 
-     */
+
     public function delete() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function create() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function update() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function serialize() : void
     {
     }
 
-    /**
-     * 
-     */
+
     public function unserialize($data) : void
     {
     }
diff --git a/Theme/Backend/Lang/Navigation.en.lang.php b/Theme/Backend/Lang/Navigation.en.lang.php
index dff1d64..e33d275 100644
--- a/Theme/Backend/Lang/Navigation.en.lang.php
+++ b/Theme/Backend/Lang/Navigation.en.lang.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/Lang/en.lang.php b/Theme/Backend/Lang/en.lang.php
index 45c447b..b271e63 100644
--- a/Theme/Backend/Lang/en.lang.php
+++ b/Theme/Backend/Lang/en.lang.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/support-list.tpl.php b/Theme/Backend/support-list.tpl.php
index d32541b..9dd13af 100644
--- a/Theme/Backend/support-list.tpl.php
+++ b/Theme/Backend/support-list.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/ticket-create.tpl.php b/Theme/Backend/ticket-create.tpl.php
index 8e7ef64..fdcdd5c 100644
--- a/Theme/Backend/ticket-create.tpl.php
+++ b/Theme/Backend/ticket-create.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/ticket-single.tpl.php b/Theme/Backend/ticket-single.tpl.php
index 824a455..8fccb90 100644
--- a/Theme/Backend/ticket-single.tpl.php
+++ b/Theme/Backend/ticket-single.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *