1 files changed, 0 insertions, 2 deletions

diff --git a/arch/um/drivers/line.h b/arch/um/drivers/line.h
index 5b3d4fbdec18..6c3b252bf480 100644
--- a/arch/um/drivers/line.h
+++ b/arch/um/drivers/line.h
@@ -69,8 +69,6 @@ extern int line_chars_in_buffer(struct tty_struct *tty);
 extern void line_flush_buffer(struct tty_struct *tty);
 extern void line_flush_chars(struct tty_struct *tty);
 extern int line_write_room(struct tty_struct *tty);
-extern int line_ioctl(struct tty_struct *tty, unsigned int cmd,
-                                unsigned long arg);
 extern void line_throttle(struct tty_struct *tty);
 extern void line_unthrottle(struct tty_struct *tty);