diff --git a/spacy/language.py b/spacy/language.py
index 17ca020ca..1eac3cbaf 100644
--- a/spacy/language.py
+++ b/spacy/language.py
@@ -1,9 +1,8 @@
 from typing import Optional, Any, Dict, Callable, Iterable, Union, List, Pattern
-from typing import Tuple, Iterator, Optional
+from typing import Tuple, Iterator
 from dataclasses import dataclass
 import random
 import itertools
-import weakref
 import functools
 from contextlib import contextmanager
 from copy import deepcopy