diff --git a/lib/include/irritator/modeling.hpp b/lib/include/irritator/modeling.hpp
index 463c3d1a..2864485c 100644
--- a/lib/include/irritator/modeling.hpp
+++ b/lib/include/irritator/modeling.hpp
@@ -1330,12 +1330,6 @@ class project
     auto node(tree_node& node) const noexcept -> tree_node_id;
     auto node(const tree_node& node) const noexcept -> tree_node_id;
 
-    template<typename Function, typename... Args>
-    auto for_all_tree_nodes(Function&& f, Args... args) noexcept;
-
-    template<typename Function, typename... Args>
-    auto for_all_tree_nodes(Function&& f, Args... args) const noexcept;
-
     template<typename Function, typename... Args>
     void for_each_children(tree_node& tn, Function&& f, Args... args) noexcept;
 
@@ -1512,23 +1506,6 @@ inline tree_node::tree_node(component_id id_, u64 unique_id_) noexcept
    Project part
  */
 
-template<typename Function, typename... Args>
-inline auto project::for_all_tree_nodes(Function&& f, Args... args) noexcept
-{
-    tree_node* tn = nullptr;
-    while (tree_nodes.next(tn))
-        return f(*tn, args...);
-}
-
-template<typename Function, typename... Args>
-inline auto project::for_all_tree_nodes(Function&& f,
-                                        Args... args) const noexcept
-{
-    const tree_node* tn = nullptr;
-    while (tree_nodes.next(tn))
-        return f(*tn, args...);
-}
-
 template<typename Function, typename... Args>
 inline void project::for_each_children(tree_node& tn,
                                        Function&& f,