diff --git a/gdb/remote-fileio.h b/gdb/remote-fileio.h
index 4b9b064686..7cb9fd3323 100644
--- a/gdb/remote-fileio.h
+++ b/gdb/remote-fileio.h
@@ -30,6 +30,9 @@ struct cmd_list_element;
    remote_wait () and remote_async_wait () */
 extern void remote_fileio_request (char *buf);
 
+/* Cleanup any remote fileio state.  */
+extern void remote_fileio_reset (void);
+
 /* Called from _initialize_remote () */
 extern void initialize_remote_fileio (
   struct cmd_list_element *remote_set_cmdlist,