diff --git a/docker/notebook.json b/docker/notebook.json
index 9066bef4de4d84f691471f2997c9140d59aa12d2..8b137891791fe96927ad78e64b0aad7bded08bdc 100644
--- a/docker/notebook.json
+++ b/docker/notebook.json
@@ -1,6 +1 @@
-{
-  "load_extensions": {
-    "execute_time/ExecuteTime": true,
-    "tree-filter/index": true
-  }
-}
+