diff --git a/modules/backend/behaviors/FormController.php b/modules/backend/behaviors/FormController.php
index 11e050cc0..ad9e3713b 100644
--- a/modules/backend/behaviors/FormController.php
+++ b/modules/backend/behaviors/FormController.php
@@ -68,7 +68,6 @@ class FormController extends ControllerBehavior
     /**
      * Behavior constructor
      * @param Backend\Classes\Controller $controller
-     * @return void
      */
     public function __construct($controller)
     {
diff --git a/modules/backend/behaviors/ListController.php b/modules/backend/behaviors/ListController.php
index 08c981cb4..4541c1fb2 100644
--- a/modules/backend/behaviors/ListController.php
+++ b/modules/backend/behaviors/ListController.php
@@ -3,7 +3,7 @@
 use Str;
 use Lang;
 use Event;
-use SystemException;
+use ApplicationException;
 use Backend\Classes\ControllerBehavior;
 use League\Csv\Writer;
 use SplTempFileObject;
@@ -57,7 +57,6 @@ class ListController extends ControllerBehavior
     /**
      * Behavior constructor
      * @param Backend\Classes\Controller $controller
-     * @return void
      */
     public function __construct($controller)
     {
@@ -265,7 +264,7 @@ class ListController extends ControllerBehavior
     public function listRender($definition = null)
     {
         if (!count($this->listWidgets)) {
-            throw new SystemException(Lang::get('backend::lang.list.behavior_not_ready'));
+            throw new ApplicationException(Lang::get('backend::lang.list.behavior_not_ready'));
         }
 
         if (!$definition || !isset($this->listDefinitions[$definition])) {
diff --git a/modules/backend/behaviors/RelationController.php b/modules/backend/behaviors/RelationController.php
index cab4f1d0e..3236e3466 100644
--- a/modules/backend/behaviors/RelationController.php
+++ b/modules/backend/behaviors/RelationController.php
@@ -177,7 +177,6 @@ class RelationController extends ControllerBehavior
     /**
      * Behavior constructor
      * @param Backend\Classes\Controller $controller
-     * @return void
      */
     public function __construct($controller)
     {