2 files changed, 1 insertions, 1 deletions

diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index efae3e6acb5b..6d865d4eade0 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -161,6 +161,7 @@ extern int os_lock_file(int fd, int excl);
 /* start_up.c */
 extern void os_early_checks(void);
 extern int can_do_skas(void);
+extern void os_check_bugs(void);
 
 /* Make sure they are clear when running in TT mode. Required by
  * SEGV_MAYBE_FIXABLE */
diff --git a/arch/um/include/sigio.h b/arch/um/include/sigio.h
index 37d76e29a147..1432fcfb3212 100644
--- a/arch/um/include/sigio.h
+++ b/arch/um/include/sigio.h
@@ -8,7 +8,6 @@
 
 extern int write_sigio_irq(int fd);
 extern int register_sigio_fd(int fd);
-extern int read_sigio_fd(int fd);
 extern int add_sigio_fd(int fd, int read);
 extern int ignore_sigio_fd(int fd);
 extern void sigio_lock(void);