diff --git a/components/engine/daemon/graphdriver/devmapper/deviceset.go b/components/engine/daemon/graphdriver/devmapper/deviceset.go
index 640bebd32b..7940c4a5c4 100644
--- a/components/engine/daemon/graphdriver/devmapper/deviceset.go
+++ b/components/engine/daemon/graphdriver/devmapper/deviceset.go
@@ -588,7 +588,7 @@ func (devices *DeviceSet) AddDevice(hash, baseHash string) error {
 
 	deviceId := devices.allocateDeviceId()
 
-	if err := devices.createSnapDevice(devices.getPoolDevName(), deviceId, baseInfo.Name(), baseInfo.DeviceId); err != nil {
+	if err := createSnapDevice(devices.getPoolDevName(), deviceId, baseInfo.Name(), baseInfo.DeviceId); err != nil {
 		utils.Debugf("Error creating snap device: %s\n", err)
 		return err
 	}
diff --git a/components/engine/daemon/graphdriver/devmapper/devmapper.go b/components/engine/daemon/graphdriver/devmapper/devmapper.go
index 7317118dcf..128fce15e2 100644
--- a/components/engine/daemon/graphdriver/devmapper/devmapper.go
+++ b/components/engine/daemon/graphdriver/devmapper/devmapper.go
@@ -546,7 +546,7 @@ func activateDevice(poolName string, name string, deviceId int, size uint64) err
 	return nil
 }
 
-func (devices *DeviceSet) createSnapDevice(poolName string, deviceId int, baseName string, baseDeviceId int) error {
+func createSnapDevice(poolName string, deviceId int, baseName string, baseDeviceId int) error {
 	devinfo, _ := getInfo(baseName)
 	doSuspend := devinfo != nil && devinfo.Exists != 0