diff --git a/pykat_tutorial.ipynb b/pykat_tutorial.ipynb
index fc863e3884ea6e7e92fc9129c60c0b4543c1e86e..003ad04002c455dfc77b3b12dca486cc5868e552 100644
--- a/pykat_tutorial.ipynb
+++ b/pykat_tutorial.ipynb
@@ -275,9 +275,7 @@
   {
    "cell_type": "code",
    "execution_count": 8,
-   "metadata": {
-    "collapsed": true
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "kat = finesse.kat()\n",
@@ -529,9 +527,7 @@
   {
    "cell_type": "code",
    "execution_count": 14,
-   "metadata": {
-    "collapsed": true
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "kat = finesse.kat()\n",
@@ -718,9 +714,7 @@
   {
    "cell_type": "code",
    "execution_count": 20,
-   "metadata": {
-    "collapsed": true
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "finesse_code = \"\"\"\n",