diff --git a/files/_config.yml b/files/_config.yml
index 29e6c50..4a026cc 100644
--- a/files/_config.yml
+++ b/files/_config.yml
@@ -33,8 +33,6 @@ sphinx:
       logo:
         image_light: images/logo.png
         image_dark: images/logo_negatif.png
-    extra_extensions:
-     - "sphinx_toolbox.latex.layout"
     html_favicon: images/erc.ico
     html_show_copyright: false
     html_static_path: ['docs']