diff --git a/spacy/tokens/span_group.pyi b/spacy/tokens/span_group.pyi
index 46b13d937..ad85a2128 100644
--- a/spacy/tokens/span_group.pyi
+++ b/spacy/tokens/span_group.pyi
@@ -1,4 +1,4 @@
-from typing import Any, Dict, Iterable, Optional, Union, overload
+from typing import Any, Dict, Iterable, Optional, overload
 from .doc import Doc
 from .span import Span