diff --git a/openflexure_microscope/api/default_extensions/camera_stage_mapping/camera_stage_tracker.py b/openflexure_microscope/api/default_extensions/camera_stage_mapping/camera_stage_tracker.py
index 7e14bf77..9c7a7235 100644
--- a/openflexure_microscope/api/default_extensions/camera_stage_mapping/camera_stage_tracker.py
+++ b/openflexure_microscope/api/default_extensions/camera_stage_mapping/camera_stage_tracker.py
@@ -9,7 +9,6 @@ stage, and tracking the corresponding motion with the camera.
 import numpy as np
 import time
 from numpy.linalg import norm
-from matplotlib import pyplot as plt
 import cv2
 from scipy import ndimage