diff --git a/include/boost/config/compiler/cray.hpp b/include/boost/config/compiler/cray.hpp
index 7d80ce7d..2ceb49c9 100644
--- a/include/boost/config/compiler/cray.hpp
+++ b/include/boost/config/compiler/cray.hpp
@@ -64,7 +64,6 @@
 
 #include <boost/config/compiler/common_edg.hpp>
 
-#define BOOST_HAS_NRVO
 #define BOOST_HAS_NRVO
 #define BOOST_NO_COMPLETE_VALUE_INITIALIZATION
 #define BOOST_NO_CXX11_AUTO_DECLARATIONS
@@ -90,7 +89,6 @@
 #define BOOST_NO_CXX11_SCOPED_ENUMS
 #define BOOST_NO_CXX11_SFINAE_EXPR
 #define BOOST_NO_CXX11_STATIC_ASSERT
-#define BOOST_NO_CXX11_STATIC_ASSERT
 #define BOOST_NO_CXX11_TEMPLATE_ALIASES
 #define BOOST_NO_CXX11_THREAD_LOCAL
 #define BOOST_NO_CXX11_UNICODE_LITERALS
@@ -139,7 +137,6 @@
 
 #if __cplusplus >= 201103L
 
-#undef BOOST_HAS_NRVO
 #undef BOOST_HAS_NRVO
 #undef BOOST_NO_COMPLETE_VALUE_INITIALIZATION
 #undef BOOST_NO_CXX11_AUTO_DECLARATIONS
@@ -165,7 +162,6 @@
 #undef BOOST_NO_CXX11_SCOPED_ENUMS
 #undef BOOST_NO_CXX11_SFINAE_EXPR
 #undef BOOST_NO_CXX11_STATIC_ASSERT
-#undef BOOST_NO_CXX11_STATIC_ASSERT
 #undef BOOST_NO_CXX11_TEMPLATE_ALIASES
 #undef BOOST_NO_CXX11_THREAD_LOCAL
 #undef BOOST_NO_CXX11_UNICODE_LITERALS