diff --git a/openmc/tallies.py b/openmc/tallies.py
index 198f5581b2..88f747249d 100644
--- a/openmc/tallies.py
+++ b/openmc/tallies.py
@@ -3296,7 +3296,6 @@ def voxels_to_vtk(mesh, mean, std_dev):
     system_of_coordinates = "cartesian"
 
     if isinstance(mesh, openmc.RegularMesh):
-        print('coucou')
         x_vals = np.linspace(
             mesh.lower_left[0],
             mesh.upper_right[0],