diff --git a/book/_config.yml b/book/_config.yml
index ab31891..2b6da68 100644
--- a/book/_config.yml
+++ b/book/_config.yml
@@ -21,8 +21,6 @@ sphinx:
   - sphinx_apa_references
   - sphinx_tudelft_theme
   config:
-    sphinx_gated_directives:
-      override_existing: ['exercise']
     language: en
     html_js_files:
     - https://cdnjs.cloudflare.com/ajax/libs/require.js/2.3.4/require.min.js