diff --git a/src/ctapipe/visualization/mpl_array.py b/src/ctapipe/visualization/mpl_array.py
index 3e331afdcf5..4f9f7772344 100644
--- a/src/ctapipe/visualization/mpl_array.py
+++ b/src/ctapipe/visualization/mpl_array.py
@@ -8,8 +8,6 @@
 from ..exceptions import OptionalDependencyMissing
 from .mpl_camera import polar_to_cart
 
-# import matplotlib.pyplot as plt
-
 
 class ArrayDisplay:
     """