--- boost/boost/interprocess/streams/bufferstream.hpp
+++ boost/boost/interprocess/streams/bufferstream.hpp
@@ -263,23 +263,22 @@
    typedef typename std::basic_ios<char_type, CharTraits>::traits_type  traits_type;
 
    private:
-   typedef std::basic_ios<char_type, CharTraits>                basic_ios_t;
    typedef std::basic_istream<char_type, CharTraits>            base_t;
 
    public:
    //!Constructor.
    //!Does not throw.
    basic_ibufferstream(std::ios_base::openmode mode = std::ios_base::in)
-      :  basic_ios_t(), base_t(0), m_buf(mode | std::ios_base::in)
-      {  basic_ios_t::init(&m_buf); }
+      :  base_t(&m_buf), m_buf(mode | std::ios_base::in)
+      { }
 
    //!Constructor. Assigns formatting buffer.
    //!Does not throw.
    basic_ibufferstream(const CharT *buffer, std::size_t length,
                           std::ios_base::openmode mode = std::ios_base::in)
-      :  basic_ios_t(), base_t(0), 
+      :  base_t(&m_buf), 
          m_buf(const_cast<CharT*>(buffer), length, mode | std::ios_base::in)
-      {  basic_ios_t::init(&m_buf); }
+      { }
 
    ~basic_ibufferstream(){};
 
@@ -321,23 +320,22 @@
 
    /// @cond
    private:
-   typedef std::basic_ios<char_type, CharTraits>      basic_ios_t;
    typedef std::basic_ostream<char_type, CharTraits>  base_t;
    /// @endcond
    public:
    //!Constructor.
    //!Does not throw.
    basic_obufferstream(std::ios_base::openmode mode = std::ios_base::out)
-      :  basic_ios_t(), base_t(0), m_buf(mode | std::ios_base::out)
-      {  basic_ios_t::init(&m_buf); }
+      :  base_t(&m_buf), m_buf(mode | std::ios_base::out)
+      { }
 
    //!Constructor. Assigns formatting buffer.
    //!Does not throw.
    basic_obufferstream(CharT *buffer, std::size_t length,
                        std::ios_base::openmode mode = std::ios_base::out)
-      :  basic_ios_t(), base_t(0), 
+      :  base_t(&m_buf), 
          m_buf(buffer, length, mode | std::ios_base::out)
-      {  basic_ios_t::init(&m_buf); }
+      { }
 
    ~basic_obufferstream(){}
 
@@ -381,7 +379,6 @@
 
    /// @cond
    private:
-   typedef std::basic_ios<char_type, CharTraits>                 basic_ios_t;
    typedef std::basic_iostream<char_type, CharTraits>            base_t;
    /// @endcond
 
@@ -390,16 +387,16 @@
    //!Does not throw.
    basic_bufferstream(std::ios_base::openmode mode 
                       = std::ios_base::in | std::ios_base::out)
-      :  basic_ios_t(), base_t(0), m_buf(mode)
-      {  basic_ios_t::init(&m_buf); }
+      : base_t(&m_buf), m_buf(mode)
+      { }
 
    //!Constructor. Assigns formatting buffer.
    //!Does not throw.
    basic_bufferstream(CharT *buffer, std::size_t length,
                       std::ios_base::openmode mode
                         = std::ios_base::in | std::ios_base::out)
-      :  basic_ios_t(), base_t(0), m_buf(buffer, length, mode)
-      {  basic_ios_t::init(&m_buf); }
+      : base_t(&m_buf), m_buf(buffer, length, mode)
+      { }
 
    ~basic_bufferstream(){}