1 files changed, 0 insertions, 1 deletions

diff --git a/src/lisp.h b/src/lisp.h
index 9d5aa9b15d3..155afc87088 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -3062,7 +3062,6 @@ extern void init_keyboard P_ ((void));
 extern void syms_of_keyboard P_ ((void));
 extern void keys_of_keyboard P_ ((void));
 extern char *push_key_description P_ ((unsigned int, char *, int));
-extern void add_user_signal P_ ((int sig, const char *name));
 
 
 /* defined in indent.c */