diff --git a/winsup/mingw/ChangeLog b/winsup/mingw/ChangeLog
index 4d5c0e09e..72687d5d4 100644
--- a/winsup/mingw/ChangeLog
+++ b/winsup/mingw/ChangeLog
@@ -1,3 +1,12 @@
+2007-01-19  Danny Smith  <dannysmith@users.sourceforge.net>
+
+	* include/stdio.h (SEEK_SET, SEEK_CUR, SEEK_END): Define
+	unconditionally.  Change comment.
+	* include/unistd.h (SEEK_SET, SEEK_CUR, SEEK_END): Define
+	here too.
+	* include/io.h (rename): Declare.
+	(remove): Declare.
+
 2006-12-31  Keith Marshall  <keithmarshall@users.sourceforge.net>
 
 	* include/libgen.h: New file; required by...
@@ -22,7 +31,7 @@
 
 2006-11-21  Danny Smith  <dannysmith@users.sourceforge.net>
 
-	* Makefile.in:  Add aclocal.m4:to source release.
+	* Makefile.in: Add aclocal.m4 to source release.
 	* mingwex/Makefile.in: Ditto.
 	* profile/Makefile.in: Ditto.
 
diff --git a/winsup/mingw/include/io.h b/winsup/mingw/include/io.h
index 66d59b5a8..c45d10650 100644
--- a/winsup/mingw/include/io.h
+++ b/winsup/mingw/include/io.h
@@ -226,6 +226,10 @@ _CRTIMP int __cdecl _open_osfhandle (long, int);
 _CRTIMP int __cdecl _pipe (int *, unsigned int, int);
 _CRTIMP int __cdecl _read (int, void*, unsigned int);
 _CRTIMP int __cdecl _setmode (int, int);
+/* MS puts remove & rename (but not wide versions) in io.h as well
+   as in stdio.h. */
+_CRTIMP int __cdecl	remove (const char*);
+_CRTIMP int __cdecl	rename (const char*, const char*);
 
 /* SH_... flags for nShFlags defined in share.h
  * Optional fourth argument is unsigned unPermissions */
diff --git a/winsup/mingw/include/stdio.h b/winsup/mingw/include/stdio.h
index a7070101c..90c0dd976 100644
--- a/winsup/mingw/include/stdio.h
+++ b/winsup/mingw/include/stdio.h
@@ -101,20 +101,11 @@
 #define	BUFSIZ	512
 
 /* Constants for nOrigin indicating the position relative to which fseek
- * sets the file position. Enclosed in ifdefs because io.h could also
- * define them. (Though not anymore since io.h includes this file now.) */
-#ifndef	SEEK_SET
-#define SEEK_SET	(0)
-#endif
-
-#ifndef	SEEK_CUR
-#define	SEEK_CUR	(1)
-#endif
-
-#ifndef	SEEK_END
-#define SEEK_END	(2)
-#endif
-
+ * sets the file position.  Defined unconditionally since ISO and POSIX
+ * say they are defined here.  */
+#define SEEK_SET 0
+#define SEEK_CUR 1
+#define SEEK_END 2
 
 #ifndef	RC_INVOKED
 
diff --git a/winsup/mingw/include/unistd.h b/winsup/mingw/include/unistd.h
index f3a54495e..90934a0ed 100644
--- a/winsup/mingw/include/unistd.h
+++ b/winsup/mingw/include/unistd.h
@@ -14,10 +14,24 @@
 #include <getopt.h>
 #undef __UNISTD_GETOPT__
 
+/* These are also defined in stdio.h. */
+#ifndef	SEEK_SET
+#define SEEK_SET 0
+#endif
+
+#ifndef	SEEK_CUR
+#define SEEK_CUR 1
+#endif
+
+#ifndef SEEK_END
+#define SEEK_END 2
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+
 /* This is defined as a real library function to allow autoconf
    to verify its existence. */
 int ftruncate(int, off_t);