diff --git a/consensus/consensus_service.go b/consensus/consensus_service.go
index ee0e6026c..9a171ea1d 100644
--- a/consensus/consensus_service.go
+++ b/consensus/consensus_service.go
@@ -493,7 +493,6 @@ func (consensus *Consensus) switchPhase(subject string, desired FBFTPhase) {
 		Str("switchPhase:", subject)
 
 	consensus.phase.Set(desired)
-	return
 }
 
 var (
diff --git a/consensus/consensus_v2.go b/consensus/consensus_v2.go
index 4db16a372..876613d81 100644
--- a/consensus/consensus_v2.go
+++ b/consensus/consensus_v2.go
@@ -47,8 +47,6 @@ const (
 
 // IsViewChangingMode return true if curernt mode is viewchanging
 func (consensus *Consensus) IsViewChangingMode() bool {
-	//consensus.mutex.RLock()
-	//defer consensus.mutex.RUnlock()
 	return consensus.isViewChangingMode()
 }