diff --git a/src/Collection.php b/src/Collection.php
index 2dd26df..77585b9 100644
--- a/src/Collection.php
+++ b/src/Collection.php
@@ -30,7 +30,7 @@ public function linkNodes()
 
             /** @var Model|NodeTrait $child */
             foreach ($children as $child) {
-                $child->setRelation('parent', $node);
+                $child->setRelation('parent', clone $node);
             }
 
             $node->setRelation('children', BaseCollection::make($children));
diff --git a/src/NodeTrait.php b/src/NodeTrait.php
index 167c001..76aca9e 100644
--- a/src/NodeTrait.php
+++ b/src/NodeTrait.php
@@ -1078,19 +1078,6 @@ public function hasMoved()
         return $this->moved;
     }
 
-    /**
-     * @return array
-     */
-    protected function getArrayableRelations()
-    {
-        $result = parent::getArrayableRelations();
-
-        // To fix #17 when converting tree to json falling to infinite recursion.
-        unset($result['parent']);
-
-        return $result;
-    }
-
     /**
      * Get whether user is intended to delete the model from database entirely.
      *