diff --git a/kratos/spatial_containers/tree.h b/kratos/spatial_containers/tree.h
index 47cdad619e69..801ab829e965 100644
--- a/kratos/spatial_containers/tree.h
+++ b/kratos/spatial_containers/tree.h
@@ -42,17 +42,6 @@ namespace Kratos
 ///@name  Functions
 ///@{
 
-// Helper template to extract ObjectType or default to void
-template <typename T, typename = void>
-struct GetObjectType {
-    using type = void;
-};
-
-template <typename T>
-struct GetObjectType<T, std::void_t<typename T::ObjectType>> {
-    using type = typename T::ObjectType;
-};
-
 ///@}
 ///@name Kratos Classes
 ///@{
@@ -203,6 +192,17 @@ class Tree
     ///@name Type Definitions
     ///@{
 
+    // Helper template to extract ObjectType or default to void
+    template <typename T, typename = void>
+    struct GetObjectType {
+        using type = void;
+    };
+
+    template <typename T>
+    struct GetObjectType<T, std::void_t<typename T::ObjectType>> {
+        using type = typename T::ObjectType;
+    };
+
     /**
      * @class Partitions
      * @brief Class to represent partitions for the tree.