diff --git a/README.md b/README.md
index 390fc4f..c05db5a 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@
 [![GoDoc](https://img.shields.io/badge/godoc-reference-5272B4)](https://godoc.org/github.com/enbility/spine-go)
 [![Coverage Status](https://coveralls.io/repos/github/enbility/spine-go/badge.svg?branch=dev)](https://coveralls.io/github/enbility/eebus-go?branch=dev)
 [![Go report](https://goreportcard.com/badge/github.com/enbility/spine-go)](https://goreportcard.com/report/github.com/enbility/spine-go)
+[![CodeFactor](https://www.codefactor.io/repository/github/enbility/spine-go/badge)](https://www.codefactor.io/repository/github/enbility/spine-go)
 
 ## Introduction
 
diff --git a/model/electricalconnection_additions_test.go b/model/electricalconnection_additions_test.go
index 343922b..667dc94 100644
--- a/model/electricalconnection_additions_test.go
+++ b/model/electricalconnection_additions_test.go
@@ -431,7 +431,7 @@ func TestElectricalConnectionPermittedValueSetListDataType_Update_Delete_Modify(
 		return
 	}
 
-	delete := &FilterType{
+	deleteFilter := &FilterType{
 		CmdControl: &CmdControlType{
 			Delete: &ElementTagType{},
 		},
@@ -442,7 +442,7 @@ func TestElectricalConnectionPermittedValueSetListDataType_Update_Delete_Modify(
 	}
 
 	// Act
-	sut.UpdateList(&newData, NewFilterTypePartial(), delete)
+	sut.UpdateList(&newData, NewFilterTypePartial(), deleteFilter)
 
 	data := sut.ElectricalConnectionPermittedValueSetData
 	// check the deleted item is gone
@@ -527,7 +527,7 @@ func TestElectricalConnectionPermittedValueSetListDataType_Update_Delete(t *test
 		return
 	}
 
-	delete := &FilterType{
+	deleteFilter := &FilterType{
 		CmdControl: &CmdControlType{
 			Delete: &ElementTagType{},
 		},
@@ -538,7 +538,7 @@ func TestElectricalConnectionPermittedValueSetListDataType_Update_Delete(t *test
 	}
 
 	// Act
-	sut.UpdateList(nil, nil, delete)
+	sut.UpdateList(nil, nil, deleteFilter)
 
 	data := sut.ElectricalConnectionPermittedValueSetData
 	// check the deleted item is added again
@@ -623,7 +623,7 @@ func TestElectricalConnectionPermittedValueSetListDataType_Update_Delete_Element
 		return
 	}
 
-	delete := &FilterType{
+	deleteFilter := &FilterType{
 		CmdControl: &CmdControlType{
 			Delete: &ElementTagType{},
 		},
@@ -637,7 +637,7 @@ func TestElectricalConnectionPermittedValueSetListDataType_Update_Delete_Element
 	}
 
 	// Act
-	sut.UpdateList(nil, nil, delete)
+	sut.UpdateList(nil, nil, deleteFilter)
 
 	data := sut.ElectricalConnectionPermittedValueSetData
 	// check no items are deleted
@@ -729,7 +729,7 @@ func TestElectricalConnectionPermittedValueSetListDataType_Update_Delete_OnlyEle
 		return
 	}
 
-	delete := &FilterType{
+	deleteFilter := &FilterType{
 		CmdControl: &CmdControlType{
 			Delete: &ElementTagType{},
 		},
@@ -739,7 +739,7 @@ func TestElectricalConnectionPermittedValueSetListDataType_Update_Delete_OnlyEle
 	}
 
 	// Act
-	sut.UpdateList(nil, nil, delete)
+	sut.UpdateList(nil, nil, deleteFilter)
 
 	data := sut.ElectricalConnectionPermittedValueSetData
 	// check no items are deleted
@@ -902,7 +902,7 @@ func TestElectricalConnectionPermittedValueSetListDataType_Update_Delete_Add(t *
 		return
 	}
 
-	delete := &FilterType{
+	deleteFilter := &FilterType{
 		CmdControl: &CmdControlType{
 			Delete: &ElementTagType{},
 		},
@@ -913,7 +913,7 @@ func TestElectricalConnectionPermittedValueSetListDataType_Update_Delete_Add(t *
 	}
 
 	// Act
-	sut.UpdateList(&newData, NewFilterTypePartial(), delete)
+	sut.UpdateList(&newData, NewFilterTypePartial(), deleteFilter)
 
 	data := sut.ElectricalConnectionPermittedValueSetData
 	// check the deleted item is added again
diff --git a/spine/device_local.go b/spine/device_local.go
index 9854bc7..581381a 100644
--- a/spine/device_local.go
+++ b/spine/device_local.go
@@ -128,6 +128,8 @@ func (r *DeviceLocalImpl) HandleEvent(payload api.EventPayload) {
 		return
 	}
 
+	// the codefactor warning is invalid, as .(type) check can not be replaced with if then
+	//revive:disable-next-line
 	switch payload.Data.(type) {
 	case *model.NodeManagementDetailedDiscoveryDataType:
 		_, _ = r.nodeManagement.Subscribe(payload.Feature.Address())