diff --git a/common/rdr/Exception.cxx b/common/rdr/Exception.cxx
index fd40582..d70cd9f 100644
--- a/common/rdr/Exception.cxx
+++ b/common/rdr/Exception.cxx
@@ -22,6 +22,9 @@
 #include <config.h>
 #endif
 
+#include <stdio.h>
+#include <stdarg.h>
+
 #include <rdr/Exception.h>
 #include <rdr/TLSException.h>
 #ifdef _WIN32
@@ -30,8 +33,6 @@
 #include <windows.h>
 #endif
 
-#include <os/print.h>
-
 #include <string.h>
 
 #ifdef HAVE_GNUTLS
diff --git a/common/rdr/ZlibOutStream.cxx b/common/rdr/ZlibOutStream.cxx
index 260bd1a..9d9f8ba 100644
--- a/common/rdr/ZlibOutStream.cxx
+++ b/common/rdr/ZlibOutStream.cxx
@@ -17,9 +17,10 @@
  * USA.
  */
 
+#include <stdio.h>
+
 #include <rdr/ZlibOutStream.h>
 #include <rdr/Exception.h>
-#include <os/print.h>
 
 #include <zlib.h>
 
diff --git a/common/rdr/msvcwarning.h b/common/rdr/msvcwarning.h
deleted file mode 100644
index bea8d3f..0000000
--- a/common/rdr/msvcwarning.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
- * 
- * This 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 of the License, or
- * (at your option) any later version.
- * 
- * This software 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 software; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
- * USA.
- */
-
-// Trim out extraneous cruft from windows.h includes
-#define WIN32_LEAN_AND_MEAN
-
-// Force all Windows NT-specific APIs to be visible
-#define _WIN32_WINNT 0xffff
-
-#pragma warning( disable : 4800 ) // forcing bool 'true' or 'false'
-#pragma warning( disable : 4786 ) // truncating debug information to 255 chars
\ No newline at end of file