--- a/src/config.h.in
+++ b/src/config.h.in
@@ -1,7 +1,4 @@
/* src/config.h.in. Generated from configure.ac by autoheader. */
-
-/* Has std::unordered_map */
-#undef HAVE_CXX0X_UNORDERED
/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H
@@ -17,9 +14,6 @@
/* Define to 1 if you have the <memory.h> header file. */
#undef HAVE_MEMORY_H
-
-/* Has std::shared_ptr */
-#undef HAVE_SHARED_PTR_STD
/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H