diff --git a/src/Netzmacht/Contao/Leaflet/Mapper/Layer/ReferenceLayerMapper.php b/src/Netzmacht/Contao/Leaflet/Mapper/Layer/ReferenceLayerMapper.php
index abba625..825a7db 100644
--- a/src/Netzmacht/Contao/Leaflet/Mapper/Layer/ReferenceLayerMapper.php
+++ b/src/Netzmacht/Contao/Leaflet/Mapper/Layer/ReferenceLayerMapper.php
@@ -33,8 +33,13 @@ class ReferenceLayerMapper extends AbstractLayerMapper
     /**
      * {@inheritdoc}
      */
-    public function handle($model, DefinitionMapper $mapper, LatLngBounds $bounds = null, $elementId = null, Definition $parent = null)
-    {
+    public function handle(
+        $model,
+        DefinitionMapper $mapper,
+        LatLngBounds $bounds = null,
+        $elementId = null,
+        Definition $parent = null
+    ) {
         $reference = LayerModel::findByPk($model->reference);
 
         if (!$reference || !$reference->active) {
diff --git a/src/Netzmacht/Contao/Leaflet/Mapper/MapMapper.php b/src/Netzmacht/Contao/Leaflet/Mapper/MapMapper.php
index a2e824d..e7f7446 100644
--- a/src/Netzmacht/Contao/Leaflet/Mapper/MapMapper.php
+++ b/src/Netzmacht/Contao/Leaflet/Mapper/MapMapper.php
@@ -12,7 +12,6 @@
 namespace Netzmacht\Contao\Leaflet\Mapper;
 
 use Netzmacht\Contao\Leaflet\Model\ControlModel;
-use Netzmacht\Contao\Leaflet\Model\LayerModel;
 use Netzmacht\Contao\Leaflet\Model\MapModel;
 use Netzmacht\LeafletPHP\Definition;
 use Netzmacht\LeafletPHP\Definition\Control;
@@ -160,8 +159,10 @@ class MapMapper extends AbstractMapper
     /**
      * Build map bounds calculations.
      *
-     * @param Map      $map    The map being built.
-     * @param MapModel $model  The map model.
+     * @param Map      $map   The map being built.
+     * @param MapModel $model The map model.
+     *
+     * @return void
      */
     private function buildBoundsCalculation(Map $map, MapModel $model)
     {