diff --git a/include/xo/reflect/TypeDescr.hpp b/include/xo/reflect/TypeDescr.hpp
index 31c5806..4591bbe 100644
--- a/include/xo/reflect/TypeDescr.hpp
+++ b/include/xo/reflect/TypeDescr.hpp
@@ -351,7 +351,10 @@ namespace xo {
             /* call this once to attach extended type information to a type-description
              * (e.g. description of struct members for a record type)
              */
-            void assign_tdextra(std::unique_ptr<TypeDescrExtra> tdx);
+            void assign_tdextra(std::unique_ptr<TypeDescrExtra> tdx) {
+                this->complete_flag_ = true;
+                this->tdextra_ = std::move(tdx);
+            }
 
         private:
             TypeDescrBase(TypeId id,
diff --git a/src/reflect/TypeDescr.cpp b/src/reflect/TypeDescr.cpp
index 41f5204..9bb4bc3 100644
--- a/src/reflect/TypeDescr.cpp
+++ b/src/reflect/TypeDescr.cpp
@@ -288,6 +288,7 @@ namespace xo {
             return retval;
         } /*mark_complete*/
 
+#ifdef NOT_USING
         void
         TypeDescrBase::assign_tdextra(std::unique_ptr<TypeDescrExtra> tdx)
         {
@@ -302,6 +303,7 @@ namespace xo {
             this->complete_flag_ = true;
             this->tdextra_ = std::move(tdx);
         } /*assign_tdextra*/
+#endif
 
         TypeDescrTable::TypeDescrTable() {
             Reflect::require<bool>();