diff --git a/include/boost/detail/lightweight_test.hpp b/include/boost/detail/lightweight_test.hpp
index 49dd5e4..8704d5c 100644
--- a/include/boost/detail/lightweight_test.hpp
+++ b/include/boost/detail/lightweight_test.hpp
@@ -3,7 +3,7 @@
 
 // MS compatible compilers support #pragma once
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
diff --git a/include/boost/detail/no_exceptions_support.hpp b/include/boost/detail/no_exceptions_support.hpp
index d94e358..89336f6 100644
--- a/include/boost/detail/no_exceptions_support.hpp
+++ b/include/boost/detail/no_exceptions_support.hpp
@@ -1,7 +1,7 @@
 #ifndef BOOST_DETAIL_NO_EXCEPTIONS_SUPPORT_HPP_
 #define BOOST_DETAIL_NO_EXCEPTIONS_SUPPORT_HPP_
 
-#if (defined _MSC_VER) && (_MSC_VER >= 1200)
+#if defined(_MSC_VER)
 #  pragma once
 #endif