diff --git a/tests/unit_tests/test_mesh_to_vtk.py b/tests/unit_tests/test_mesh_to_vtk.py
index 572834f84f..5da62cdef4 100644
--- a/tests/unit_tests/test_mesh_to_vtk.py
+++ b/tests/unit_tests/test_mesh_to_vtk.py
@@ -1,5 +1,4 @@
 import numpy as np
-from os.path import exists
 from pathlib import Path
 import pytest
 import vtk