diff --git a/notebooks.json b/notebooks.json
index beed323ef1a4663199cdfd1eb095cd6b73fbbc53..d34fd286102d9dd4813f240515e41b8a26ae25ea 100644
--- a/notebooks.json
+++ b/notebooks.json
@@ -55,7 +55,6 @@
     "notebooks/metrics_ex_02.ipynb",
     "notebooks/metrics_regression.ipynb",
     "notebooks/parameter_tuning_automated.ipynb",
-    "notebooks/parameter_tuning_ex_01.ipynb",
     "notebooks/parameter_tuning_ex_02.ipynb",
     "notebooks/parameter_tuning_ex_03.ipynb",
     "notebooks/parameter_tuning_manual.ipynb",