diff --git a/kernel/convertor.go b/kernel/convertor.go
index 8441fa1..0aa24e4 100644
--- a/kernel/convertor.go
+++ b/kernel/convertor.go
@@ -10,6 +10,18 @@ import (
 	"strings"
 )
 
+type File struct {
+	Path string
+	Name string
+	Ext  string
+}
+
+type ConvertSetting struct {
+	VideoFileInput       File
+	VideoFileOut         File
+	OverwriteOutputFiles bool
+}
+
 type ConvertorContract interface {
 	RunConvert(setting ConvertSetting, progress ProgressContract) error
 	GetTotalDuration(file *File) (float64, error)
diff --git a/kernel/queue.go b/kernel/queue.go
index d820fa6..112ce42 100644
--- a/kernel/queue.go
+++ b/kernel/queue.go
@@ -10,18 +10,6 @@ type Queue struct {
 	Error   error
 }
 
-type File struct {
-	Path string
-	Name string
-	Ext  string
-}
-
-type ConvertSetting struct {
-	VideoFileInput       File
-	VideoFileOut         File
-	OverwriteOutputFiles bool
-}
-
 type StatusContract interface {
 	name() string
 	ordinal() int