diff --git a/include/boost/unordered/detail/fwd.hpp b/include/boost/unordered/detail/fwd.hpp
index 53ef556d..69098b8f 100644
--- a/include/boost/unordered/detail/fwd.hpp
+++ b/include/boost/unordered/detail/fwd.hpp
@@ -74,9 +74,7 @@ namespace boost { namespace unordered_detail {
 
 #if defined(BOOST_MSVC)
 #pragma warning(push)
-#if BOOST_MSVC >= 1400
 #pragma warning(disable:4100) // unreferenced formal parameter
-#endif
 #endif
 
     template <class T>
diff --git a/test/helpers/invariants.hpp b/test/helpers/invariants.hpp
index 199eb46b..1e14d685 100644
--- a/test/helpers/invariants.hpp
+++ b/test/helpers/invariants.hpp
@@ -18,6 +18,7 @@
 #if defined(BOOST_MSVC)
 #pragma warning(push)
 #pragma warning(disable:4127) // conditional expression is constant
+#pragma warning(disable:4267) // conversion from 'size_t' to 'unsigned int', possible loss of data
 #endif
 
 namespace test