diff --git a/src/Contract/Entity/TreeNodeInterface.php b/src/Contract/Entity/TreeNodeInterface.php
index 84187496..e48628ac 100644
--- a/src/Contract/Entity/TreeNodeInterface.php
+++ b/src/Contract/Entity/TreeNodeInterface.php
@@ -40,7 +40,7 @@ public function getParentNode(): ?self;
     public function setParentNode(self $treeNode): void;
 
     /**
-     * @param string $path the materialized path, eg: the the materialized path to its parent
+     * @param string $path the materialized path, eg: the materialized path to its parent
      */
     public function setMaterializedPath(string $path): void;
 
diff --git a/src/Model/Tree/TreeNodeMethodsTrait.php b/src/Model/Tree/TreeNodeMethodsTrait.php
index e195838f..adf8f0e6 100644
--- a/src/Model/Tree/TreeNodeMethodsTrait.php
+++ b/src/Model/Tree/TreeNodeMethodsTrait.php
@@ -57,7 +57,6 @@ public function getParentMaterializedPath(): string
 
     public function setParentMaterializedPath(string $path): void
     {
-        $this->parentNodePath = $path;
     }
 
     public function getRootMaterializedPath(): string