diff --git a/sys/kern/kern_time.c b/sys/kern/kern_time.c
index f778c4c1e66..325ecec1146 100644
--- a/sys/kern/kern_time.c
+++ b/sys/kern/kern_time.c
@@ -294,9 +294,7 @@ nanosleep(struct thread *td, struct nanosleep_args *uap)
 	if (uap->rmtp &&
 	    !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE))
 			return (EFAULT);
-	mtx_lock(&Giant);
 	error = nanosleep1(td, &rqt, &rmt);
-	mtx_unlock(&Giant);
 	if (error && uap->rmtp) {
 		int error2;