1 files changed, 1 insertions, 9 deletions
diff --git a/TAO/tao/Valuetype/ValueBase.h b/TAO/tao/Valuetype/ValueBase.h
index 25a68b6e00a..3ac615cba5a 100644
--- a/TAO/tao/Valuetype/ValueBase.h
+++ b/TAO/tao/Valuetype/ValueBase.h
@@ -30,11 +30,7 @@
 #include "ace/Basic_Types.h"
 #include "ace/Synch_Traits.h"
 #include "ace/Thread_Mutex.h"
-#if defined (ACE_HAS_CPP11)
-# include <atomic>
-#else
-# include "ace/Atomic_Op.h"
-#endif /* ACE_HAS_CPP11 */
+#include <atomic>
 #include "ace/Null_Mutex.h"
 #include "ace/Vector_T.h"
 
@@ -347,11 +343,7 @@ namespace CORBA
 
   private: // data
     /// Reference counter.
-#if defined (ACE_HAS_CPP11)
     std::atomic<uint32_t> refcount_;
-#else
-    ACE_Atomic_Op<TAO_SYNCH_MUTEX, unsigned long> refcount_;
-#endif /* ACE_HAS_CPP11 */
   }; // DefaultValueRefCountBase
 
   //  which lock has the lowest memory overhead ?