diff --git a/module2/exo1/TP2.ipynb b/module2/exo1/TP2.ipynb
deleted file mode 100644
index 7fec51502cbc3200b3d0ffc6bbba1fe85e197f3d..0000000000000000000000000000000000000000
--- a/module2/exo1/TP2.ipynb
+++ /dev/null
@@ -1,6 +0,0 @@
-{
- "cells": [],
- "metadata": {},
- "nbformat": 4,
- "nbformat_minor": 4
-}
diff --git a/module2/exo1/Untitled.ipynb b/module2/exo1/Untitled.ipynb
deleted file mode 100644
index 7fec51502cbc3200b3d0ffc6bbba1fe85e197f3d..0000000000000000000000000000000000000000
--- a/module2/exo1/Untitled.ipynb
+++ /dev/null
@@ -1,6 +0,0 @@
-{
- "cells": [],
- "metadata": {},
- "nbformat": 4,
- "nbformat_minor": 4
-}
diff --git a/module2/exo1/Untitled1.ipynb b/module2/exo1/Untitled1.ipynb
deleted file mode 100644
index 7fec51502cbc3200b3d0ffc6bbba1fe85e197f3d..0000000000000000000000000000000000000000
--- a/module2/exo1/Untitled1.ipynb
+++ /dev/null
@@ -1,6 +0,0 @@
-{
- "cells": [],
- "metadata": {},
- "nbformat": 4,
- "nbformat_minor": 4
-}
diff --git a/module2/exo1/Untitled2.ipynb b/module2/exo1/Untitled2.ipynb
deleted file mode 100644
index c64f75e251aa90b73c7d9648d5d76e7162353342..0000000000000000000000000000000000000000
--- a/module2/exo1/Untitled2.ipynb
+++ /dev/null
@@ -1,73 +0,0 @@
-{
- "cells": [
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "1. A propos du calcul de Pi\n",
-    "\n",
-    "Mon ordinateur m'indique que pi vaut approximativement :"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 3,
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "3.141592653589793\n"
-     ]
-    }
-   ],
-   "source": [
-    "from math import *\n",
-    "print(pi)"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "2. En utilisant la méthode des aiguilles de Buffon"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  }
- ],
- "metadata": {
-  "kernelspec": {
-   "display_name": "Python 3",
-   "language": "python",
-   "name": "python3"
-  },
-  "language_info": {
-   "codemirror_mode": {
-    "name": "ipython",
-    "version": 3
-   },
-   "file_extension": ".py",
-   "mimetype": "text/x-python",
-   "name": "python",
-   "nbconvert_exporter": "python",
-   "pygments_lexer": "ipython3",
-   "version": "3.6.4"
-  }
- },
- "nbformat": 4,
- "nbformat_minor": 4
-}
diff --git a/module2/exo1/toy_notebook_fr.ipynb b/module2/exo1/toy_notebook_fr.ipynb
index 180d8bbc0cebd3c1f3c7d98b7883c249be4ab801..a1547b6509a5a93b95e74c4a0345f0cd662e04cb 100644
--- a/module2/exo1/toy_notebook_fr.ipynb
+++ b/module2/exo1/toy_notebook_fr.ipynb
@@ -4,8 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# 1. A propos du calcul de Pi\n",
-    "\n"
+    "# 1. A propos du calcul de Pi"
    ]
   },
   {