diff --git a/mappers/kubeedge-v1.15.0/virtualdevice/data/dbmethod/redis/client.go b/mappers/kubeedge-v1.15.0/virtualdevice/data/dbmethod/redis/client.go
deleted file mode 100644
index ca39c695..00000000
--- a/mappers/kubeedge-v1.15.0/virtualdevice/data/dbmethod/redis/client.go
+++ /dev/null
@@ -1,48 +0,0 @@
-package redis
-
-import (
-	"github.com/kubeedge/virtualdevice/pkg/common"
-	"github.com/kubeedge/virtualdevice/pkg/global"
-)
-
-type DataBaseConfig struct {
-}
-
-func NewDataBaseClient() (global.DataBaseClient, error) {
-	return &DataBaseConfig{}, nil
-}
-
-func (d *DataBaseConfig) InitDbClient() error {
-	//TODO implement me
-	panic("implement me")
-}
-
-func (d *DataBaseConfig) CloseSession() {
-	//TODO implement me
-	panic("implement me")
-}
-
-func (d *DataBaseConfig) AddData(data *common.DataModel) {
-	//TODO implement me
-	panic("implement me")
-}
-
-func (d *DataBaseConfig) GetDataByDeviceName(deviceName string) ([]*common.DataModel, error) {
-	//TODO implement me
-	panic("implement me")
-}
-
-func (d *DataBaseConfig) GetPropertyDataByDeviceName(deviceName string, propertyData string) ([]*common.DataModel, error) {
-	//TODO implement me
-	panic("implement me")
-}
-
-func (d *DataBaseConfig) GetDataByTimeRange(start int64, end int64) ([]*common.DataModel, error) {
-	//TODO implement me
-	panic("implement me")
-}
-
-func (d *DataBaseConfig) DeleteDataByTimeRange(start int64, end int64) ([]*common.DataModel, error) {
-	//TODO implement me
-	panic("implement me")
-}