diff --git a/include/libunwind-ptrace.h b/include/libunwind-ptrace.h
index 7fca205e..e69de29b 100644
--- a/include/libunwind-ptrace.h
+++ b/include/libunwind-ptrace.h
@@ -1,63 +0,0 @@
-/* libunwind - a platform-independent unwind library
-   Copyright (C) 2004 Hewlett-Packard Co
-	Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
-
-This file is part of libunwind.
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
-
-#ifndef libunwind_ptrace_h
-#define libunwind_ptrace_h
-
-#include <libunwind.h>
-
-#if defined(__cplusplus) || defined(c_plusplus)
-extern "C" {
-#endif
-
-/* Helper routines which make it easy to use libunwind via ptrace().
-   They're available only if UNW_REMOTE_ONLY is _not_ defined and they
-   aren't really part of the libunwind API.  They are implemented in a
-   archive library called libunwind-ptrace.a.  */
-
-extern void *_UPT_create (pid_t);
-extern void _UPT_destroy (void *);
-extern int _UPT_find_proc_info (unw_addr_space_t, unw_word_t,
-				unw_proc_info_t *, int, void *);
-extern void _UPT_put_unwind_info (unw_addr_space_t, unw_proc_info_t *, void *);
-extern int _UPT_get_dyn_info_list_addr (unw_addr_space_t, unw_word_t *,
-					void *);
-extern int _UPT_access_mem (unw_addr_space_t, unw_word_t, unw_word_t *, int,
-			    void *);
-extern int _UPT_access_reg (unw_addr_space_t, unw_regnum_t, unw_word_t *,
-			    int, void *);
-extern int _UPT_access_fpreg (unw_addr_space_t, unw_regnum_t, unw_fpreg_t *,
-			      int, void *);
-extern int _UPT_get_proc_name (unw_addr_space_t, unw_word_t, char *, size_t,
-			       unw_word_t *, void *);
-extern int _UPT_resume (unw_addr_space_t, unw_cursor_t *, void *);
-extern unw_accessors_t _UPT_accessors;
-
-
-#if defined(__cplusplus) || defined(c_plusplus)
-}
-#endif
-
-#endif /* libunwind_ptrace_h */
diff --git a/src/x86/is_fpreg-x86.c b/src/x86/is_fpreg-x86.c
index 10e28034..e69de29b 100644
--- a/src/x86/is_fpreg-x86.c
+++ b/src/x86/is_fpreg-x86.c
@@ -1,33 +0,0 @@
-/* libunwind - a platform-independent unwind library
-   Copyright (c) 2004 Hewlett-Packard Development Company, L.P.
-	Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
-
-This file is part of libunwind.
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
-
-#include "tdep.h"
-
-PROTECTED void
-unw_is_fpreg (int regnum)
-{
-  return ((regnum >= UNW_X86_ST0 && regnum <= UNW_X86_ST7)
-	  || (regnum >= UNW_X86_XMM0_lo && regnum <= UNW_X86_XMM_hi));
-}