diff --git a/Grid/communicator/SharedMemory.h b/Grid/communicator/SharedMemory.h
index f8099a1d..cdaae51c 100644
--- a/Grid/communicator/SharedMemory.h
+++ b/Grid/communicator/SharedMemory.h
@@ -137,7 +137,7 @@ public:
   ///////////////////////////////////////////////////
   static void SharedMemoryAllocate(uint64_t bytes, int flags);
   static void SharedMemoryFree(void);
-  static void SharedMemoryCopy(void *dest,void *src,size_t bytes);
+  //  static void SharedMemoryCopy(void *dest,void *src,size_t bytes);
   static void SharedMemoryZero(void *dest,size_t bytes);
 
 };