diff --git a/point_toolset/point_io.py b/point_toolset/point_io.py
index 2c2f7db..5fe37c0 100644
--- a/point_toolset/point_io.py
+++ b/point_toolset/point_io.py
@@ -1,5 +1,3 @@
-from typing import Union
-
 import torch
 from torch_geometric.data import Data