diff --git a/mkdocs.yml b/mkdocs.yml
index 8529558f8..6c0aeb3e3 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -111,8 +111,6 @@ markdown_extensions:
   - pymdownx.tabbed:
       alternate_style: true
   - pymdownx.highlight:
-      anchor_linenums: true
-      line_spans: __span
       pygments_lang_class: true
   - pymdownx.inlinehilite
   - pymdownx.snippets