diff --git a/lib/rdoc/generator/template/aliki/css/rdoc.css b/lib/rdoc/generator/template/aliki/css/rdoc.css
index 02c228203b..cedc0ab768 100644
--- a/lib/rdoc/generator/template/aliki/css/rdoc.css
+++ b/lib/rdoc/generator/template/aliki/css/rdoc.css
@@ -542,7 +542,6 @@ nav {
   position: sticky;
   top: var(--layout-header-height);
   height: calc(100vh - var(--layout-header-height));
-  align-self: start;
 }
 
 /* Mobile navigation */