1 files changed, 0 insertions, 1 deletions

diff --git a/src/lisp.h b/src/lisp.h
index 60a553cc7d1..51c09e0abb3 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -4177,7 +4177,6 @@ extern void init_sys_modes (struct tty_display_info *);
 extern void reset_sys_modes (struct tty_display_info *);
 extern void init_all_sys_modes (void);
 extern void reset_all_sys_modes (void);
-extern void flush_pending_output (int) ATTRIBUTE_CONST;
 extern void child_setup_tty (int);
 extern void setup_pty (int);
 extern int set_window_size (int, int, int);