diff --git a/include/boost/container/detail/config_begin.hpp b/include/boost/container/detail/config_begin.hpp
index 4df9e35..172e685 100644
--- a/include/boost/container/detail/config_begin.hpp
+++ b/include/boost/container/detail/config_begin.hpp
@@ -20,9 +20,7 @@
    #pragma warning (disable : 4127) // conditional expression is constant
    #pragma warning (disable : 4146) // unary minus operator applied to unsigned type, result still unsigned
    #pragma warning (disable : 4197) // top-level volatile in cast is ignored
-   #pragma warning (disable : 4244) // possible loss of data
    #pragma warning (disable : 4251) // "identifier" : class "type" needs to have dll-interface to be used by clients of class "type2"
-   #pragma warning (disable : 4267) // conversion from "X" to "Y", possible loss of data
    #pragma warning (disable : 4275) // non DLL-interface classkey "identifier" used as base for DLL-interface classkey "identifier"
    #pragma warning (disable : 4284) // odd return type for operator->
    #pragma warning (disable : 4290) // C++ exception specification ignored except to indicate a function is not __declspec(nothrow)
@@ -42,7 +40,6 @@
    #pragma warning (disable : 4671) //  the copy constructor is inaccessible
    #pragma warning (disable : 4673) //  throwing '' the following types will not be considered at the catch site
    #pragma warning (disable : 4675) // "method" should be declared "static" and have exactly one parameter
-   #pragma warning (disable : 4702) // unreachable code
    #pragma warning (disable : 4706) // assignment within conditional expression
    #pragma warning (disable : 4710) // function not inlined
    #pragma warning (disable : 4714) // "function": marked as __forceinline not inlined