Marshaler and Unmarshler is not needed

decode.go

@@ -8,11 +8,6 @@ import (
 	"strings"
 )
 
-// Unmarshaler is the interface implemented by types that can unmarshal a ltsv
-type Unmarshaler interface {
-	UnmarshalLTSV([]byte) error
-}
-
 // UnmarshalError is an error type for Unmarshal()
 type UnmarshalError map[string]error
 
@@ -147,13 +142,6 @@ func Unmarshal(data []byte, v interface{}) error {
 			}
 			fv.SetFloat(n)
 		case reflect.Interface:
-			if u, ok := fv.Interface().(Unmarshaler); ok {
-				err := u.UnmarshalLTSV([]byte(s))
-				if err != nil {
-					errs[ft.Name] = err
-				}
-				continue
-			}
 			if tu, ok := fv.Interface().(encoding.TextUnmarshaler); ok {
 				err := tu.UnmarshalText([]byte(s))
 				if err != nil {

encode.go

@@ -8,11 +8,6 @@ import (
 	"strings"
 )
 
-// Marshaler is the interface inmpemented by types that can marshal themselves
-type Marshaler interface {
-	MarshalLTSV() ([]byte, error)
-}
-
 // MarshalError is an error type for Marshal()
 type MarshalError map[string]error
 
@@ -103,15 +98,6 @@ func Marshal(v interface{}) ([]byte, error) {
 		case reflect.Float32, reflect.Float64:
 			arr = append(arr, key+":"+strconv.FormatFloat(fv.Float(), 'f', -1, fv.Type().Bits()))
 		case reflect.Interface:
-			if u, ok := fv.Interface().(Marshaler); ok {
-				buf, err := u.MarshalLTSV()
-				if err != nil {
-					errs[ft.Name] = err
-				} else {
-					arr = append(arr, key+":"+string(buf))
-				}
-				continue
-			}
 			if u, ok := fv.Interface().(encoding.TextMarshaler); ok {
 				buf, err := u.MarshalText()
 				if err != nil {