diff --git a/module3/exo1/analyse-syndrome-grippal.ipynb b/module3/exo1/analyse-syndrome-grippal.ipynb
index 4c6e3edf1ede5c92b5f8041b5449e04ad77df036..725a78167928417838f460e4fae8e2c1d285be41 100644
--- a/module3/exo1/analyse-syndrome-grippal.ipynb
+++ b/module3/exo1/analyse-syndrome-grippal.ipynb
@@ -23,7 +23,6 @@
     "import matplotlib.pyplot as plt\n",
     "import pandas as pd\n",
     "import isoweek\n",
-    "import hashlib\n",
     "import requests\n",
     "import os\n",
     "import glob\n",