diff --git a/notebooks/pnCCD/Correct_pnCCD_NBC.ipynb b/notebooks/pnCCD/Correct_pnCCD_NBC.ipynb
index 32281042dccea55b8fdb77d17dced1cd24b97ac2..aff43cb56f265f1c7f6ddffd6ecf478ad412fbe9 100644
--- a/notebooks/pnCCD/Correct_pnCCD_NBC.ipynb
+++ b/notebooks/pnCCD/Correct_pnCCD_NBC.ipynb
@@ -595,8 +595,6 @@
     "parallel_num_threads = 10\n",
     "context = psh.context.ThreadContext(num_workers=parallel_num_threads)\n",
     "\n",
-    "data_path = \"INSTRUMENT/\" + input_src + \"/data/\"\n",
-    "\n",
     "offset = np.squeeze(constants[\"OffsetCCD\"])\n",
     "noise = np.squeeze(constants[\"NoiseCCD\"])\n",
     "bpix = np.squeeze(constants[\"BadPixelsDarkCCD\"])\n",