diff --git a/headers/private/kernel/util/AVLTreeMap.h b/headers/private/kernel/util/AVLTreeMap.h
index 0ff6c090d9..2405bb79b8 100644
--- a/headers/private/kernel/util/AVLTreeMap.h
+++ b/headers/private/kernel/util/AVLTreeMap.h
@@ -98,7 +98,7 @@ protected:
 	// strategy shortcuts
 	inline	Node*				_Allocate(const Key& key, const Value& value);
 	inline	void				_Free(Node* node);
-	inline	const Key&			_GetKey(Node* node) const;
+	inline	Key					_GetKey(Node* node) const;
 	inline	Value&				_GetValue(Node* node) const;
 	inline	AVLTreeNode*		_GetAVLTreeNode(const Node* node) const;
 	inline	Node*				_GetNode(const AVLTreeNode* node) const;
@@ -486,7 +486,7 @@ _AVL_TREE_MAP_CLASS_NAME::_Free(Node* node)
 
 // _GetKey
 _AVL_TREE_MAP_TEMPLATE_LIST
-inline const Key&
+inline Key
 _AVL_TREE_MAP_CLASS_NAME::_GetKey(Node* node) const
 {
 	return fStrategy.GetKey(node);
@@ -644,12 +644,12 @@ public:
 
 	inline int CompareKeyNode(const Key& a, const Node* b) const
 	{
-		return fCompare(a, _GetKey(b));
+		return fCompare(a, GetKey(b));
 	}
 
 	inline int CompareNodes(const Node* a, const Node* b) const
 	{
-		return fCompare(_GetKey(a), _GetKey(b));
+		return fCompare(GetKey(a), GetKey(b));
 	}
 
 private: