diff --git a/libs/ContentTypes/Markdown/ContentType.php b/libs/ContentTypes/Markdown/ContentType.php
index c1724de..07f5636 100644
--- a/libs/ContentTypes/Markdown/ContentType.php
+++ b/libs/ContentTypes/Markdown/ContentType.php
@@ -42,6 +42,7 @@ class ContentType implements \Todaymade\Daux\ContentTypes\ContentType
             return $this->doConversion($raw);
         }
 
+        // TODO :: add daux version to cache key
         $cacheKey = $this->config->getCacheKey() . sha1($raw);
 
         $payload = Cache::get($cacheKey);
diff --git a/libs/Format/HTML/ContentTypes/Markdown/TOC/Processor.php b/libs/Format/HTML/ContentTypes/Markdown/TOC/Processor.php
index d66be7d..1989d87 100644
--- a/libs/Format/HTML/ContentTypes/Markdown/TOC/Processor.php
+++ b/libs/Format/HTML/ContentTypes/Markdown/TOC/Processor.php
@@ -254,8 +254,6 @@ class Processor implements DocumentProcessorInterface
             $method->invoke($subnode, $firstClone);
         }
 
-        $deepCopy = new DeepCopy();
-
-        return $deepCopy->copy($firstClone)->children();
+        return (new DeepCopy())->copy($firstClone)->children();
     }
 }