diff --git a/mkdocs.yml b/mkdocs.yml
index 6186be1..28c7c81 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -23,7 +23,6 @@ theme:
     - navigation.tracking
     - navigation.tabs
     - navigation.tabs.sticky
-    - navigation.expand
     - navigation.indexes
     - search.highlight
     - toc.integrate