diff --git a/CMakeLists.txt b/CMakeLists.txt
index ed243cf1..566d248d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -84,11 +84,6 @@ add_definitions (-DBOOST_ASIO_DISABLE_BOOST_ARRAY=1)
 add_definitions (-DBOOST_ASIO_DISABLE_BOOST_BIND=1)
 add_definitions (-DBOOST_ASIO_DISABLE_BOOST_DATE_TIME=1)
 add_definitions (-DBOOST_ASIO_DISABLE_BOOST_REGEX=1)
-
-# workaround for asio defect
-add_definitions (-DBOOST_ASIO_DISABLE_WINDOWS_RANDOM_ACCESS_HANDLE=1)
-add_definitions (-DBOOST_ASIO_DISABLE_WINDOWS_STREAM_HANDLE=1)
-
 add_definitions (-DBOOST_COROUTINES_NO_DEPRECATION_WARNING=1)
 
 include_directories (${BOOST_ROOT})
diff --git a/Jamfile b/Jamfile
index e1ab6e68..871bfcd7 100644
--- a/Jamfile
+++ b/Jamfile
@@ -102,8 +102,6 @@ project /boost/beast
     <define>BOOST_ASIO_DISABLE_BOOST_DATE_TIME=1
     <define>BOOST_ASIO_DISABLE_BOOST_REGEX=1
     <define>BOOST_COROUTINES_NO_DEPRECATION_WARNING=1
-<define>BOOST_ASIO_DISABLE_WINDOWS_RANDOM_ACCESS_HANDLE=1
-<define>BOOST_ASIO_DISABLE_WINDOWS_STREAM_HANDLE=1
     <toolset>msvc:<cxxflags>"/bigobj"
     <toolset>msvc-14.1:<cxxflags>"/permissive-"
     <toolset>msvc:<define>_SCL_SECURE_NO_WARNINGS=1