diff --git a/src/renderer/renderer.rs b/src/renderer/renderer.rs
index 4ee04fb..428d1c3 100644
--- a/src/renderer/renderer.rs
+++ b/src/renderer/renderer.rs
@@ -356,13 +356,6 @@ impl<'a> DustRenderer<'a> {
         }
         final_filters
     }
-
-    fn append_new_elements_onto_tree<'b>(
-        original_parent: Option<&'b BreadcrumbTree>,
-        new_elements: Vec<BreadcrumbTreeElement<'b>>,
-    ) -> Option<BreadcrumbTree<'b>> {
-        todo!()
-    }
 }
 
 struct BlockContext<'a> {