diff --git a/mps/code/mpsioan.c b/mps/code/mpsioan.c
index b57a7f399fb..c383cd4507a 100644
--- a/mps/code/mpsioan.c
+++ b/mps/code/mpsioan.c
@@ -1,7 +1,7 @@
 /* mpsioan.c: RAVENBROOK MEMORY POOL SYSTEM I/O IMPLEMENTATION (ANSI)
  *
  * $Id$
- * Copyright (c) 2001-2013 Ravenbrook Limited.  See end of file for license.
+ * Copyright (c) 2001-2014 Ravenbrook Limited.  See end of file for license.
  *
  * .readership: For MPS client application developers and MPS developers.
  * .sources: <design/io/>
@@ -21,14 +21,10 @@
  * instead.
  */
 #include "check.h"
-
-#ifdef MPS_OS_XC
-#include "osxc.h"
-#endif
+#include "config.h"  /* to get platform configurations */
 
 #include <stdio.h>
 #include <stdlib.h>
-#include "config.h"  /* to get platform configurations */
 
 
 static FILE *ioFile = NULL;
@@ -104,7 +100,7 @@ mps_res_t mps_io_flush(mps_io_t mps_io)
 
 /* C. COPYRIGHT AND LICENSE
  *
- * Copyright (C) 2001-2013 Ravenbrook Limited <http://www.ravenbrook.com/>.
+ * Copyright (C) 2001-2014 Ravenbrook Limited <http://www.ravenbrook.com/>.
  * All rights reserved.  This is an open source license.  Contact
  * Ravenbrook for commercial licensing options.
  * 
diff --git a/mps/code/mpsliban.c b/mps/code/mpsliban.c
index a081ad1981e..e84b2aed00d 100644
--- a/mps/code/mpsliban.c
+++ b/mps/code/mpsliban.c
@@ -1,7 +1,7 @@
 /* mpsliban.c: RAVENBROOK MEMORY POOL SYSTEM LIBRARY INTERFACE (ANSI)
  *
  * $Id$
- * Copyright (c) 2001-2013 Ravenbrook Limited.  See end of file for license.
+ * Copyright (c) 2001-2014 Ravenbrook Limited.  See end of file for license.
  * Portions copyright (c) 2002 Global Graphics Software.
  *
  * .purpose: The purpose of this code is
@@ -27,12 +27,7 @@
 #include "mpstd.h"
 #include "event.h"
 
-#ifdef MPS_OS_XC
-#include "osxc.h"
-#endif
-
 #include <time.h>
-
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -207,7 +202,7 @@ unsigned long mps_lib_telemetry_control(void)
 
 /* C. COPYRIGHT AND LICENSE
  *
- * Copyright (C) 2001-2013 Ravenbrook Limited <http://www.ravenbrook.com/>.
+ * Copyright (C) 2001-2014 Ravenbrook Limited <http://www.ravenbrook.com/>.
  * All rights reserved.  This is an open source license.  Contact
  * Ravenbrook for commercial licensing options.
  * 
diff --git a/mps/code/osxc.h b/mps/code/osxc.h
deleted file mode 100644
index 14ae6ae98a2..00000000000
--- a/mps/code/osxc.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/* osxc.h: MacOS X (Carbon-compatible) system header hacks
- *
- * $Id$
- * Copyright (c) 2005 Ravenbrook Limited.  See end of file for license.
- *
- * .purpose: This header fixes bugs in the system headers.
- */
-
-
-#ifndef osxc_h
-#define osxc_h
-
-
-/* There's nothing to fix. */
-
-
-#endif /* osxc_h */
-
-
-/* C. COPYRIGHT AND LICENSE
- *
- * Copyright (C) 2001-2005 Ravenbrook Limited <http://www.ravenbrook.com/>.
- * All rights reserved.  This is an open source license.  Contact
- * Ravenbrook for commercial licensing options.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- * 
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 
- * 3. Redistributions in any form must be accompanied by information on how
- * to obtain complete source code for this software and any accompanying
- * software that uses this software.  The source code must either be
- * included in the distribution or be available for no more than the cost
- * of distribution plus a nominal fee, and must be freely redistributable
- * under reasonable conditions.  For an executable file, complete source
- * code means the source code for all modules it contains. It does not
- * include source code for modules or files that typically accompany the
- * major components of the operating system on which the executable file
- * runs.
- * 
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
- * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, OR NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT HOLDERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
diff --git a/mps/code/testlib.h b/mps/code/testlib.h
index 9df253d797e..a56e8840a96 100644
--- a/mps/code/testlib.h
+++ b/mps/code/testlib.h
@@ -1,7 +1,7 @@
 /* testlib.h: TEST LIBRARY INTERFACE
  *
  * $Id$
- * Copyright (c) 2001-2013 Ravenbrook Limited.  See end of file for license.
+ * Copyright (c) 2001-2014 Ravenbrook Limited.  See end of file for license.
  * Portions copyright (C) 2002 Global Graphics Software.
  *
  * .purpose: A library of functions that may be of use to unit tests.
@@ -18,9 +18,6 @@
 #ifdef MPS_OS_W3
 #include "mpswin.h"
 #endif
-#ifdef MPS_OS_XC
-#include "osxc.h"
-#endif
 
 #include <stdio.h>
 
@@ -234,7 +231,7 @@ extern void randomize(int argc, char *argv[]);
 
 /* C. COPYRIGHT AND LICENSE
  *
- * Copyright (C) 2001-2002, 2008 Ravenbrook Limited <http://www.ravenbrook.com/>.
+ * Copyright (C) 2001-2014 Ravenbrook Limited <http://www.ravenbrook.com/>.
  * All rights reserved.  This is an open source license.  Contact
  * Ravenbrook for commercial licensing options.
  *