diff --git a/geometry.py b/geometry.py
index e51731c85786da8157d485444c1461e35dd3c067..3b78ff6ef2c0e59a9821830e52eeb07648e6748f 100644
--- a/geometry.py
+++ b/geometry.py
@@ -1,5 +1,4 @@
 import numpy as np
-from typing import Tuple
 
 from lbmpy.boundaries import NoSlip, UBB
 from pystencils.slicing import normalize_slice, shift_slice, slice_intersection, slice_from_direction