diff --git a/docs/source/_static/theme-override.css b/docs/source/_static/theme-override.css
index 6bcb93349c..460812aca4 100644
--- a/docs/source/_static/theme-override.css
+++ b/docs/source/_static/theme-override.css
@@ -78,16 +78,4 @@ tbody tr:hover {
     .container:has(#left-sidebar) {
         grid-template-columns: 310px minmax(0, 1fr);
     }
-}
-
-#left-sidebar a.expandable {
-    padding: 0 0 0 12px;
-}
-
-#left-sidebar a>button {
-    width: 30px;
-    height: 30px;
-    display: flex;
-    align-items: center;
-    justify-content: center;
 }
\ No newline at end of file