diff --git a/book/jupyterlite-config.json b/book/jupyterlite-config.json
deleted file mode 100644
index eac0d3a..0000000
--- a/book/jupyterlite-config.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-    "XeusPythonEnv": {
-        "packages": [
-            "numpy",
-            "matplotlib",
-            "ipywidgets",
-            "scipy"
-        ]
-    }
-}
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 7a4c02c..ada3d80 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,5 +5,6 @@ jupyterlite-sphinx
 jupyterbook_patches
 download_link_replacer
 
+
 --extra-index-url https://gitlab.tudelft.nl/api/v4/projects/11239/packages/pypi/simple
-sphinx-thebe ~= 0.9.9
\ No newline at end of file
+sphinx-thebe ~= 0.9.9