diff --git a/device/device_onu.go b/device/device_onu.go
index 92f96b5..de99eb3 100644
--- a/device/device_onu.go
+++ b/device/device_onu.go
@@ -17,10 +17,10 @@
 package device
 
 import (
+	"gerrit.opencord.org/voltha-bbsim/common"
+	"gerrit.opencord.org/voltha-bbsim/protos"
 	"reflect"
 	"sync"
-	"gerrit.opencord.org/voltha-bbsim/protos"
-	"gerrit.opencord.org/voltha-bbsim/common"
 )
 
 type onuState int
@@ -39,12 +39,12 @@
 	mu            *sync.Mutex
 }
 
-func CreateSN(oltid uint32, intfid uint32, onuid uint32) []byte {
+func NewSN(oltid uint32, intfid uint32, onuid uint32) []byte {
 	sn := []byte{0, byte(oltid % 256), byte(intfid), byte(onuid)}
 	return sn
 }
 
-func CreateOnus(oltid uint32, intfid uint32, nonus uint32, nnni uint32) []*Onu {
+func NewOnus(oltid uint32, intfid uint32, nonus uint32, nnni uint32) []*Onu {
 	onus := []*Onu{}
 	for i := 0; i < int(nonus); i++ {
 		onu := Onu{}
@@ -55,7 +55,7 @@
 		onu.OperState = "up"
 		onu.SerialNumber = new(openolt.SerialNumber)
 		onu.SerialNumber.VendorId = []byte("BBSM")
-		onu.SerialNumber.VendorSpecific = CreateSN(oltid, intfid, uint32(i))
+		onu.SerialNumber.VendorSpecific = NewSN(oltid, intfid, uint32(i))
 		onus = append(onus, &onu)
 	}
 	return onus
@@ -88,13 +88,13 @@
 	}
 }
 
-func (onu *Onu) UpdateIntStatus(intstatus onuState){
+func (onu *Onu) UpdateIntStatus(intstatus onuState) {
 	onu.mu.Lock()
 	defer onu.mu.Unlock()
 	*onu.InternalState = intstatus
 }
 
-func (onu *Onu) GetIntStatus() onuState{
+func (onu *Onu) GetIntStatus() onuState {
 	onu.mu.Lock()
 	defer onu.mu.Unlock()
 	return *onu.InternalState