diff --git a/etc/mkdocs.yaml b/etc/mkdocs.yaml
index a5cd23ac..d86d42ae 100644
--- a/etc/mkdocs.yaml
+++ b/etc/mkdocs.yaml
@@ -31,8 +31,6 @@ extra_css:
 
 markdown_extensions:
   - admonition
-  - pymdownx.details
-  - pymdownx.highlight
   - pymdownx.superfences
 
 nav: