diff --git a/module2/exo1/toy_notebook_en.ipynb b/module2/exo1/toy_notebook_en.ipynb
index 45455ab3f900e299409c8a9e85db88fb8177fb25..a7e39988e524ae5ebb0076c6b3637cd46399d128 100644
--- a/module2/exo1/toy_notebook_en.ipynb
+++ b/module2/exo1/toy_notebook_en.ipynb
@@ -1,7 +1,6 @@
 {
  "cells": [],
  "metadata": {
- "celltoolbar": "Hide code",
   "kernelspec": {
    "display_name": "Python 3",
    "language": "python",