diff --git a/pytiled_parser/common_types.py b/pytiled_parser/common_types.py
index 41c03f3..924685b 100644
--- a/pytiled_parser/common_types.py
+++ b/pytiled_parser/common_types.py
@@ -2,7 +2,7 @@
 
 # pylint: disable=too-few-public-methods
 
-from typing import NamedTuple, Union
+from typing import NamedTuple
 
 import attr