diff --git a/data_sender.go b/data_sender.go
index 0662ec9..cd97eff 100644
--- a/data_sender.go
+++ b/data_sender.go
@@ -61,7 +61,6 @@ func (ds *DataSender) check() {
 	for _, item := range items {
 		collectedData := item.Value.(*Data)
 		collectedData.AgentId = agentIdentifier()
-		log.Println("collectedData : ", collectedData)
 		result = append(result, collectedData)
 	}
 
@@ -102,7 +101,6 @@ func saveFailedData(datas []*Data) {
 	for _, data := range datas {
 
 		bytes, err := json.Marshal(&data)
-		log.Println("write : ", string(bytes))
 		if err != nil {
 			log.Println(err)
 		}