diff --git a/rbutil/ipodpatcher/ipodio-posix.c b/rbutil/ipodpatcher/ipodio-posix.c
index db8648e70e..8d43de2d60 100644
--- a/rbutil/ipodpatcher/ipodio-posix.c
+++ b/rbutil/ipodpatcher/ipodio-posix.c
@@ -19,6 +19,7 @@
  *
  ****************************************************************************/
 
+#if !defined(_WIN32) /* all non-Windows platforms are considered POSIX. */
 
 #include <stdio.h>
 #include <unistd.h>
@@ -388,3 +389,5 @@ ssize_t ipod_write(struct ipod_t* ipod, unsigned char* buf, int nbytes)
     return write(ipod->dh, buf, nbytes);
 }
 
+#endif
+
diff --git a/rbutil/ipodpatcher/ipodio-win32-scsi.c b/rbutil/ipodpatcher/ipodio-win32-scsi.c
index c87be72de8..7e338acbc0 100644
--- a/rbutil/ipodpatcher/ipodio-win32-scsi.c
+++ b/rbutil/ipodpatcher/ipodio-win32-scsi.c
@@ -49,6 +49,7 @@
  *
  ****************************************************************************/
 
+#if defined(_WIN32)
 #include <windows.h>
 #include <stddef.h>
 #include <stdio.h>
@@ -119,3 +120,5 @@ int ipod_scsi_inquiry(struct ipod_t* ipod, int page_code,
         return -1;
     }
 }
+#endif
+
diff --git a/rbutil/ipodpatcher/ipodio-win32.c b/rbutil/ipodpatcher/ipodio-win32.c
index abf7bdf46e..27c1b24f01 100644
--- a/rbutil/ipodpatcher/ipodio-win32.c
+++ b/rbutil/ipodpatcher/ipodio-win32.c
@@ -25,6 +25,8 @@
  *
  ****************************************************************************/
 
+#if defined(_WIN32)
+
 #include <stdio.h>
 #include <unistd.h>
 #include <fcntl.h>
@@ -201,3 +203,5 @@ ssize_t ipod_write(struct ipod_t* ipod, unsigned char* buf, int nbytes)
     return count;
 }
 
+#endif
+