diff --git a/Stdlib/Tree/BinarySearchTree.php b/Stdlib/Tree/BinarySearchTree.php
index 729cae455..885ba1123 100644
--- a/Stdlib/Tree/BinarySearchTree.php
+++ b/Stdlib/Tree/BinarySearchTree.php
@@ -257,9 +257,7 @@ class BinarySearchTree
                 }
             }
 
-            if ($temp !== null) {
-                $temp->parent = $node->parent;
-            }
+            $temp->parent = $node?->parent;
 
             $node = null;
 
@@ -280,9 +278,7 @@ class BinarySearchTree
                 }
             }
 
-            if ($temp !== null) {
-                $temp->parent = $node->parent;
-            }
+            $temp->parent = $node?->parent;
 
             $node = null;