diff --git a/build/mkdocs.orig.yml b/build/mkdocs.orig.yml
index 9b5ae69c41..de9f763dc1 100644
--- a/build/mkdocs.orig.yml
+++ b/build/mkdocs.orig.yml
@@ -18,6 +18,7 @@ theme:
         icon: material/toggle-switch
         name: Switch to light mode
   features:
+    - navigation.prune
     - navigation.tabs
     - navigation.tabs.sticky
     - navigation.top