diff --git a/src/ocrmypdf/hocrtransform.py b/src/ocrmypdf/hocrtransform.py
index 409aa689..b05eaa9e 100755
--- a/src/ocrmypdf/hocrtransform.py
+++ b/src/ocrmypdf/hocrtransform.py
@@ -14,7 +14,7 @@ import re
 import warnings
 from math import atan, cos, sin
 from pathlib import Path
-from typing import Any, NamedTuple, Optional, Tuple, Union
+from typing import Any, NamedTuple
 from xml.etree import ElementTree
 
 with warnings.catch_warnings():