diff --git a/notebooks/AGIPD/playground/AGIPD_SingleM_test_Dark.ipynb b/notebooks/AGIPD/playground/AGIPD_SingleM_test_Dark.ipynb
index 2bc2ed62ad71ea939a73d7a9d471aed6e3e11266..b0d22ac4ecc2a7a6cb29e3d67858fb2af06f89a3 100644
--- a/notebooks/AGIPD/playground/AGIPD_SingleM_test_Dark.ipynb
+++ b/notebooks/AGIPD/playground/AGIPD_SingleM_test_Dark.ipynb
@@ -125,7 +125,6 @@
     "offset_runs[\"med\"] = parse_runs(run_med)[0]\n",
     "offset_runs[\"low\"] = parse_runs(run_low)[0]\n",
     "\n",
-    "gain_names = ['High', 'Medium', 'Low']\n",
     "runs = [run_high, run_med, run_low]\n",
     "\n",
     "creation_time=None\n",