diff --git a/aether-arena/calibration/test_calibration.py b/aether-arena/calibration/test_calibration.py
index 804307cabd..03b09efd6c 100644
--- a/aether-arena/calibration/test_calibration.py
+++ b/aether-arena/calibration/test_calibration.py
@@ -6,7 +6,6 @@
 
 Run:  python test_calibration.py    (or via pytest)
 """
-import json
 import subprocess
 import sys
 import tempfile