diff --git a/include/linux/time.h b/include/linux/time.h
index 33a92ead4d88..179f4d6755fc 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -167,7 +167,6 @@ extern void get_monotonic_boottime(struct timespec *ts);
 extern struct timespec timespec_trunc(struct timespec t, unsigned gran);
 extern int timekeeping_valid_for_hres(void);
 extern u64 timekeeping_max_deferment(void);
-extern void timekeeping_leap_insert(int leapsecond);
 extern int timekeeping_inject_offset(struct timespec *ts);
 
 struct tms;