1 files changed, 0 insertions, 1 deletions

diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 548f6ddd8597..b6c52496e15a 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -329,7 +329,6 @@ extern void os_set_ioignore(void);
 extern void init_irq_signals(int on_sigstack);
 
 /* sigio.c */
-extern int add_sigio_fd(int fd, int read);
 extern int ignore_sigio_fd(int fd);
 extern void maybe_sigio_broken(int fd, int read);