diff --git a/config.go b/config.go
index cec86e7..a1a81be 100644
--- a/config.go
+++ b/config.go
@@ -16,7 +16,6 @@ type Configurator interface {
 	SetConfigPath(in string) error
 	Load(target interface{}, files ...string) error
 	LoadReader(target interface{}, ext string, in io.Reader) error
-	Save(target interface{}, file string, overWrite bool) error
 
 	SetEnvPrefix(in string)
 }
@@ -88,9 +87,6 @@ func (c *config) LoadReader(target interface{}, ext string, in io.Reader) error
 
 // Save store to configuration file from disk
 func Save(target interface{}, file string, overWrite bool) error {
-	return _c.Save(target, file, overWrite)
-}
-func (c *config) Save(target interface{}, file string, overWrite bool) error {
 	var absPath string
 	var err error
 	if absPath, err = ABSPathify(file); nil != err {