diff --git a/src/ApiKernel.php b/src/ApiKernel.php
index 4209f1c..723963f 100644
--- a/src/ApiKernel.php
+++ b/src/ApiKernel.php
@@ -240,24 +240,20 @@ class ApiKernel
     }
 
     // 💡 Bereinigungsmethode 
-    private function cleanReferenceComponents(array $components): array { 
-        foreach ($components as &$component) {
-            if (is_array($component) && isset($component['type'])) {
-                
-                if ($component['type'] === 'library-reference') {
-                    if (isset($component['content'])) {
-                        $component['content'] = ''; 
-                    }
-                    if (isset($component['components'])) {
-                        $component['components'] = [];
-                    }
-                }
-                if (isset($component['components']) && is_array($component['components'])) {
-                    $component['components'] = $this->cleanReferenceComponents($component['components']);
-                }
+    private function cleanReferenceComponents(array $node): array
+    {
+        if (isset($node['type']) && $node['type'] === 'library-reference') {
+            $node['content'] = '';
+            $node['components'] = [];
+        }
+
+        foreach ($node as $key => $value) {
+            if (is_array($value)) {
+                $node[$key] = $this->cleanReferenceComponents($value);
             }
         }
-        return $components;
+
+        return $node;
     }