diff --git a/SLEW_Case1_Electromagnetic_Phenomena.ipynb b/SLEW_Case1_Electromagnetic_Phenomena.ipynb
index f6b10ac187ead8292fefbf6be5b62dc073be7159..8cca3d2716165a285b71363528ff79805de7472d 100644
--- a/SLEW_Case1_Electromagnetic_Phenomena.ipynb
+++ b/SLEW_Case1_Electromagnetic_Phenomena.ipynb
@@ -125,7 +125,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 9,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -136,7 +136,6 @@
     "import os\n",
     "from villas.dataprocessing.readtools import *\n",
     "from villas.dataprocessing.timeseries import *\n",
-    "import plotly.express as px\n",
     "import matplotlib.pyplot as plt\n",
     "import scipy.io as sio\n",
     "outputs = sio.loadmat('outputs/case1_output.mat', simplify_cells=True)\n",