diff --git a/chess/__init__.py b/chess/__init__.py
index ed9f2f81f..468bbdfd0 100644
--- a/chess/__init__.py
+++ b/chess/__init__.py
@@ -35,7 +35,7 @@
 import itertools
 import typing
 
-from typing import ClassVar, Callable, Dict, Generic, Hashable, Iterable, Iterator, List, Mapping, MutableSet, Optional, SupportsInt, Tuple, Type, TypeVar, Union
+from typing import  Callable, Dict, Generic, Hashable, Iterable, Iterator, List, Mapping, MutableSet, Optional, SupportsInt, Tuple, Type, TypeVar, Union
 
 
 Color = bool