--- setup.h.in.orig	2025-05-25 17:15:56 UTC
+++ setup.h.in
@@ -798,17 +798,14 @@
 /*
  * Define if your compiler has std::tr1::unordered_map
  */
-#undef HAVE_TR1_UNORDERED_MAP
 
 /*
  * Define if your compiler has std::tr1::unordered_set
  */
-#undef HAVE_TR1_UNORDERED_SET
 
 /*
  * Define if your compiler has <tr1/type_traits>
  */
-#undef HAVE_TR1_TYPE_TRAITS
 
 /*
  * Define if your compiler has <type_traits>