diff --git a/share/man/man9/condvar.9 b/share/man/man9/condvar.9
--- a/share/man/man9/condvar.9
+++ b/share/man/man9/condvar.9
@@ -251,11 +251,11 @@
 Timeout expired.
 .El
 .Sh SEE ALSO
+.Xr callout 9 ,
 .Xr locking 9 ,
 .Xr mtx_pool 9 ,
 .Xr mutex 9 ,
 .Xr rwlock 9 ,
 .Xr sema 9 ,
 .Xr sleep 9 ,
-.Xr sx 9 ,
-.Xr timeout 9
+.Xr sx 9
diff --git a/share/man/man9/epoch.9 b/share/man/man9/epoch.9
--- a/share/man/man9/epoch.9
+++ b/share/man/man9/epoch.9
@@ -267,14 +267,14 @@
 .Nm
 kernel programming interface is under development and is subject to change.
 .Sh SEE ALSO
+.Xr callout 9 ,
 .Xr locking 9 ,
 .Xr mtx_pool 9 ,
 .Xr mutex 9 ,
 .Xr rwlock 9 ,
 .Xr sema 9 ,
 .Xr sleep 9 ,
-.Xr sx 9 ,
-.Xr timeout 9
+.Xr sx 9
 .Sh HISTORY
 The
 .Nm
diff --git a/share/man/man9/locking.9 b/share/man/man9/locking.9
--- a/share/man/man9/locking.9
+++ b/share/man/man9/locking.9
@@ -422,6 +422,7 @@
 .Xr witness 4 ,
 .Xr atomic 9 ,
 .Xr BUS_SETUP_INTR 9 ,
+.Xr callout 9 ,
 .Xr condvar 9 ,
 .Xr epoch 9 ,
 .Xr lock 9 ,
@@ -433,7 +434,6 @@
 .Xr sema 9 ,
 .Xr sleep 9 ,
 .Xr smr 9 ,
-.Xr sx 9 ,
-.Xr timeout 9
+.Xr sx 9
 .Sh BUGS
 There are too many locking primitives to choose from.
diff --git a/share/man/man9/sleep.9 b/share/man/man9/sleep.9
--- a/share/man/man9/sleep.9
+++ b/share/man/man9/sleep.9
@@ -366,13 +366,13 @@
 .El
 .Sh SEE ALSO
 .Xr ps 1 ,
+.Xr callout 9 ,
 .Xr locking 9 ,
 .Xr malloc 9 ,
 .Xr mi_switch 9 ,
 .Xr mtx_sleep 9 ,
 .Xr rw_sleep 9 ,
-.Xr sx_sleep 9 ,
-.Xr timeout 9
+.Xr sx_sleep 9
 .Sh HISTORY
 The functions
 .Fn sleep
diff --git a/share/man/man9/sleepqueue.9 b/share/man/man9/sleepqueue.9
--- a/share/man/man9/sleepqueue.9
+++ b/share/man/man9/sleepqueue.9
@@ -383,8 +383,8 @@
 Almost all other code in the kernel should use one of those interfaces rather
 than manipulating sleep queues directly.
 .Sh SEE ALSO
+.Xr callout 9 ,
 .Xr condvar 9 ,
 .Xr runqueue 9 ,
 .Xr scheduler 9 ,
-.Xr sleep 9 ,
-.Xr timeout 9
+.Xr sleep 9
diff --git a/share/man/man9/tvtohz.9 b/share/man/man9/tvtohz.9
--- a/share/man/man9/tvtohz.9
+++ b/share/man/man9/tvtohz.9
@@ -45,9 +45,9 @@
 Returns the integral number of system ticks expected to elapse in the given
 interval, including the current tick.
 .Sh SEE ALSO
+.Xr callout 9 ,
 .Xr microtime 9 ,
-.Xr microuptime 9 ,
-.Xr timeout 9
+.Xr microuptime 9
 .Sh HISTORY
 The
 .Nm
diff --git a/sys/kern/kern_timeout.c b/sys/kern/kern_timeout.c
--- a/sys/kern/kern_timeout.c
+++ b/sys/kern/kern_timeout.c
@@ -728,7 +728,7 @@
 		if (lastfunc != c_func || sbt2 > maxdt * 2) {
 			ts2 = sbttots(sbt2);
 			printf(
-		"Expensive timeout(9) function: %p(%p) %jd.%09ld s\n",
+		"Expensive callout(9) function: %p(%p) %jd.%09ld s\n",
 			    c_func, c_arg, (intmax_t)ts2.tv_sec, ts2.tv_nsec);
 		}
 		maxdt = sbt2;