diff --git a/src/Report/Xml/Node.php b/src/Report/Xml/Node.php
index e1f62ebac..5c94a0883 100644
--- a/src/Report/Xml/Node.php
+++ b/src/Report/Xml/Node.php
@@ -18,12 +18,13 @@
  */
 abstract class Node
 {
-    private DOMDocument $dom;
-    private DOMElement $contextNode;
+    private readonly DOMDocument $dom;
+    private readonly DOMElement $contextNode;
 
     public function __construct(DOMElement $context)
     {
-        $this->setContextNode($context);
+        $this->dom         = $context->ownerDocument;
+        $this->contextNode = $context;
     }
 
     public function dom(): DOMDocument
@@ -76,12 +77,6 @@ public function addFile(string $name, string $href): File
         return new File($fileNode);
     }
 
-    protected function setContextNode(DOMElement $context): void
-    {
-        $this->dom         = $context->ownerDocument;
-        $this->contextNode = $context;
-    }
-
     protected function contextNode(): DOMElement
     {
         return $this->contextNode;