diff --git a/fixincludes/ChangeLog b/fixincludes/ChangeLog
index 6a403a80f41..8471e027f89 100644
--- a/fixincludes/ChangeLog
+++ b/fixincludes/ChangeLog
@@ -1,6 +1,7 @@
 2013-07-06  Bruce Korb  <bkorb@gnu.org>
 
 	* inclhack.def (cdef_cplusplus): removed, per Bug 51776
+	* tests/base/sys/cdefs.h (CDEF_CPLUSPLUS_CHECK): obsolete
 
 2013-05-23  Alexander Ivchenko <alexander.ivchenko@intel.com>
 
diff --git a/fixincludes/tests/base/sys/cdefs.h b/fixincludes/tests/base/sys/cdefs.h
index e42df6f527b..6ccd0b7738a 100644
--- a/fixincludes/tests/base/sys/cdefs.h
+++ b/fixincludes/tests/base/sys/cdefs.h
@@ -9,11 +9,6 @@
 
 
 
-#if defined( CDEF_CPLUSPLUS_CHECK )
-#define _Noreturn	__attribute__((__noreturn__))
-#endif  /* CDEF_CPLUSPLUS_CHECK */
-
-
 #if defined( FREEBSD_GCC3_BREAKAGE_CHECK )
 #if __GNUC__ == 2 && __GNUC_MINOR__ >= 7
 #endif  /* FREEBSD_GCC3_BREAKAGE_CHECK */