diff --git a/system/p2p/dht/protocol/broadcast/pubsub.go b/system/p2p/dht/protocol/broadcast/pubsub.go
index 5425bbbc6e..2b6d19d5e5 100644
--- a/system/p2p/dht/protocol/broadcast/pubsub.go
+++ b/system/p2p/dht/protocol/broadcast/pubsub.go
@@ -28,7 +28,6 @@ const (
 type pubSub struct {
 	*broadcastProtocol
 	blkHeaderCache   map[int64]*types.Header
-	syncStatus       bool
 	maxRecvBlkHeight int64
 	lock             sync.RWMutex
 }