diff --git a/core/chain_manager.go b/core/chain_manager.go
index ff37ea28a..915fa704f 100644
--- a/core/chain_manager.go
+++ b/core/chain_manager.go
@@ -466,7 +466,6 @@ func (self *ChainManager) InsertChain(chain types.Blocks) error {
 
 	}
 
-	// XXX put this in a goroutine?
 	go self.eventMux.Post(queueEvent)
 
 	return nil