diff --git a/docs/reference.md b/docs/reference.md
index 35e06511..55f0716f 100644
--- a/docs/reference.md
+++ b/docs/reference.md
@@ -49,9 +49,6 @@ These are **in addition to** all of the {external:doc}`options available in the
 * - `collapse_navbar`
   - bool
   - Whether to collapse the navbar, stopping the tree from being expanded. See [](sidebar:max-navbar-depth), (False is default)
-* - `extra_navbar`
-  - str
-  - Extra HTML to add below the sidebar footer. See [](content-footer:extra-footer).
 * - `extra_footer`
   - str
   - Extra HTML to add in the footer of each page.