diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 4d9600faa400..0732d33d6dd5 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -3530,11 +3530,6 @@ static void pwq_unbound_release_workfn(struct work_struct *work)
 	if (WARN_ON_ONCE(!(wq->flags & WQ_UNBOUND)))
 		return;
 
-	/*
-	 * Unlink @pwq.  Synchronization against wq->mutex isn't strictly
-	 * necessary on release but do it anyway.  It's easier to verify
-	 * and consistent with the linking path.
-	 */
 	mutex_lock(&wq->mutex);
 	list_del_rcu(&pwq->pwqs_node);
 	is_last = list_empty(&wq->pwqs);
@@ -3631,10 +3626,7 @@ static void link_pwq(struct pool_workqueue *pwq)
 	if (!list_empty(&pwq->pwqs_node))
 		return;
 
-	/*
-	 * Set the matching work_color.  This is synchronized with
-	 * wq->mutex to avoid confusing flush_workqueue().
-	 */
+	/* set the matching work_color */
 	pwq->work_color = wq->work_color;
 
 	/* sync max_active to the current setting */