diff --git a/src/SMESH_I/sstream b/src/SMESH_I/sstream
deleted file mode 100644
index 323bbed45..000000000
--- a/src/SMESH_I/sstream
+++ /dev/null
@@ -1,225 +0,0 @@
-/* This is part of libio/iostream, providing -*- C++ -*- input/output.
-Copyright (C) 2000 Free Software Foundation
-
-This file is part of the GNU IO Library.  This library is free
-software; you can redistribute it and/or modify it under the
-terms of the GNU General Public License as published by the
-Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-This library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this library; see the file COPYING.  If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-
-As a special exception, if you link this library with files
-compiled with a GNU compiler to produce an executable, this does not cause
-the resulting executable to be covered by the GNU General Public License.
-This exception does not however invalidate any other reasons why
-the executable file might be covered by the GNU General Public License. */
-
-/* Written by Magnus Fromreide (magfr@lysator.liu.se). */
-
-#ifndef __SSTREAM__
-#define __SSTREAM__
-
-#include <string>
-#include <iostream.h>
-#include <streambuf.h>
-
-namespace std
-{
-  class stringbuf : public streambuf
-  {
-  public:
-    typedef char	char_type;
-    typedef int		int_type;
-    typedef streampos	pos_type;
-    typedef streamoff	off_type;
-
-    explicit stringbuf(int which=ios::in|ios::out) :
-      streambuf(which), buf(), mode(static_cast<ios::open_mode>(which)),
-      rpos(0), bufsize(1)
-    { }
-	
-    explicit stringbuf(const std::string &s, int which=ios::in|ios::out) :
-      streambuf(which), buf(s), mode(static_cast<ios::open_mode>(which)),
-      bufsize(1)
-    {
-      if(mode & ios::in)
-	{
-	  setg(&defbuf, &defbuf + bufsize, &defbuf + bufsize);
-	}
-      if(mode & ios::out)
-	{
-	  setp(&defbuf, &defbuf + bufsize);
-	}
-      rpos = (mode & ios::ate ? s.size() : 0);
-    }
-	
-    std::string str() const
-    {
-      const_cast<stringbuf*>(this)->sync();  // Sigh, really ugly hack
-      return buf;
-    };
-
-    void str(const std::string& s)
-    {
-      buf = s;
-      if(mode & ios::in)
-	{
-	  gbump(egptr() - gptr());
-	}
-      if(mode & ios::out)
-	{
-	  pbump(pbase() - pptr());
-	}
-      rpos = (mode & ios::ate ? s.size() : 0);
-    }
-
-  protected:
-    inline virtual int sync();
-    inline virtual int overflow(int = EOF);
-    inline virtual int underflow();
-  private:
-    std::string			buf;
-    ios::open_mode		mode;
-    std::string::size_type	rpos;
-    streamsize			bufsize;
-    char			defbuf;
-  };
-
-  class stringstreambase : virtual public ios {
-  protected:
-    stringbuf __my_sb;
-  public:
-    std::string str() const
-    {
-      return dynamic_cast<stringbuf*>(_strbuf)->str();
-    }
-    void str(const std::string& s)
-    {
-      clear();
-      dynamic_cast<stringbuf*>(_strbuf)->str(s);
-    }
-	
-    stringbuf* rdbuf()
-    {
-      return &__my_sb;
-    }
-  protected:
-    stringstreambase(int which) :
-      __my_sb(which)
-    {
-      init (&__my_sb);
-    }
-	
-    stringstreambase(const std::string& s, int which) :
-      __my_sb(s, which)
-    {
-      init (&__my_sb);
-    }
-  };
-    
-  class istringstream : public stringstreambase, public istream {
-  public:
-    istringstream(int which=ios::in) :
-      stringstreambase(which)
-    { }
-	
-    istringstream(const std::string& s, int which=ios::in) :
-      stringstreambase(s, which)
-    { }
-  };
-    
-  class ostringstream : public stringstreambase, public ostream {
-  public:
-    ostringstream(int which=ios::out) :
-      stringstreambase(which)
-    { }
-	
-    ostringstream(const std::string& s, int which=ios::out) :
-      stringstreambase(s, which)
-    { }
-  };
-    
-  class stringstream : public stringstreambase, public iostream {
-  public:
-    stringstream(int which=ios::in|ios::out) :
-      stringstreambase(which)
-    { }
-    
-    stringstream(const std::string &s, int which=ios::in|ios::out) :
-      stringstreambase(s, which)
-    { }
-  };
-}
-
-inline int std::stringbuf::sync()
-{
-  if((mode & ios::out) == 0)
-    return EOF;
-
-  streamsize n = pptr() - pbase();
-  if(n)
-    {
-      buf.replace(rpos, std::string::npos, pbase(), n);
-      if(buf.size() - rpos != n)
-	return EOF;
-      rpos += n;
-      pbump(-n);
-      gbump(egptr() - gptr());
-    }
-  return 0;
-}
-
-inline int std::stringbuf::overflow(int ch)
-{
-  if((mode & ios::out) == 0)
-    return EOF;
-
-  streamsize n = pptr() - pbase();
-
-  if(n && sync())
-    return EOF;
-
-  if(ch != EOF)
-    {
-      std::string::size_type oldSize = buf.size();
-      
-      buf.replace(rpos, std::string::npos, ch);
-      if(buf.size() - oldSize != 1)
-	return EOF;
-      ++rpos;
-    }
-  return 0;
-}
-
-inline int std::stringbuf::underflow()
-{
-  sync();
-  if((mode & ios::in) == 0)
-    {
-      return EOF;
-    }
-  if(rpos >= buf.size())
-    {
-      return EOF;
-    }
-  
-  std::string::size_type n = egptr() - eback();
-  std::string::size_type s;
-
-  s = buf.copy(eback(), n, rpos);
-  pbump(pbase() - pptr());
-  gbump(eback() - gptr());
-  int res = (0377 & buf[rpos]);
-  rpos += s;
-  return res;
-}
-
-#endif /* not __STRSTREAM__ */