diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index dc52dc3b8c3e..dd6c8b519691 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -2220,8 +2220,6 @@ static void rcu_cleanup_dead_cpu(int cpu, struct rcu_state *rsp)
 	/* Adjust any no-longer-needed kthreads. */
 	rcu_boost_kthread_setaffinity(rnp, -1);
 
-	/* Remove the dead CPU from the bitmasks in the rcu_node hierarchy. */
-
 	/* Exclude any attempts to start a new grace period. */
 	mutex_lock(&rsp->onoff_mutex);
 	raw_spin_lock_irqsave(&rsp->orphan_lock, flags);