diff --git a/sys/kern/sched_4bsd.c b/sys/kern/sched_4bsd.c
index 6acb0437b243..59b52306800d 100644
--- a/sys/kern/sched_4bsd.c
+++ b/sys/kern/sched_4bsd.c
@@ -733,10 +733,14 @@ sched_fork(struct thread *td, struct thread *childtd)
 void
 sched_fork_thread(struct thread *td, struct thread *childtd)
 {
+	struct td_sched *ts;
+
 	childtd->td_estcpu = td->td_estcpu;
 	childtd->td_lock = &sched_lock;
 	childtd->td_cpuset = cpuset_ref(td->td_cpuset);
-	sched_newthread(childtd);
+	ts = childtd->td_sched;
+	bzero(ts, sizeof(*ts));
+	ts->ts_thread = childtd;
 }
 
 void
diff --git a/sys/kern/sched_ule.c b/sys/kern/sched_ule.c
index 85c6e2b6b297..04dc63a2f7a8 100644
--- a/sys/kern/sched_ule.c
+++ b/sys/kern/sched_ule.c
@@ -488,7 +488,6 @@ tdq_load_rem(struct tdq *tdq, struct td_sched *ts)
 	    ("tdq_load_rem: Removing with 0 load on queue %d", TDQ_ID(tdq)));
 	tdq->tdq_load--;
 	CTR1(KTR_SCHED, "load: %d", tdq->tdq_load);
-	ts->ts_runq = NULL;
 }
 
 /*
@@ -1905,17 +1904,17 @@ sched_fork_thread(struct thread *td, struct thread *child)
 	struct td_sched *ts;
 	struct td_sched *ts2;
 
+	THREAD_LOCK_ASSERT(td, MA_OWNED);
 	/*
 	 * Initialize child.
 	 */
-	THREAD_LOCK_ASSERT(td, MA_OWNED);
-	sched_newthread(child);
-	child->td_lock = TDQ_LOCKPTR(TDQ_SELF());
-	child->td_cpuset = cpuset_ref(td->td_cpuset);
 	ts = td->td_sched;
 	ts2 = child->td_sched;
+	child->td_lock = TDQ_LOCKPTR(TDQ_SELF());
+	child->td_cpuset = cpuset_ref(td->td_cpuset);
+	ts2->ts_thread = child;
 	ts2->ts_cpu = ts->ts_cpu;
-	ts2->ts_runq = NULL;
+	ts2->ts_flags = 0;
 	/*
 	 * Grab our parents cpu estimation information and priority.
 	 */