diff --git a/mtr/mtr.go b/mtr/mtr.go
index 838ce7d..e80cc8f 100644
--- a/mtr/mtr.go
+++ b/mtr/mtr.go
@@ -70,7 +70,6 @@ func (m *MTR) Render(offset int) {
 		m.Statistic[i].Render()
 		m.mutex.RUnlock()
 	}
-	return
 }
 
 func (m *MTR) ping(ch chan struct{}, count int) {