diff --git a/beast/Config.h b/beast/Config.h
index 0170f92ecb..8f10fedf07 100644
--- a/beast/Config.h
+++ b/beast/Config.h
@@ -26,9 +26,6 @@
 
 // VFALCO NOTE this is analogous to <boost/config.hpp>
 
-// Assert to boost that we always have std::array support
-#define BOOST_ASIO_HAS_STD_ARRAY 1
-
 #if !defined(BEAST_COMPILER_CONFIG) && !defined(BEAST_NO_COMPILER_CONFIG) && !defined(BEAST_NO_CONFIG)
 #include <beast/config/SelectCompilerConfig.h>
 #endif