diff --git a/proto.go b/proto.go
index 16b663f..cbfc249 100644
--- a/proto.go
+++ b/proto.go
@@ -13,22 +13,6 @@ type Codec struct {
 	Conn io.ReadWriteCloser
 }
 
-func (c *Codec) Marshal(v interface{}) ([]byte, error) {
-	m, ok := v.(proto.Message)
-	if !ok {
-		return nil, codec.ErrInvalidMessage
-	}
-	return proto.Marshal(m)
-}
-
-func (c *Codec) Unmarshal(data []byte, v interface{}) error {
-	m, ok := v.(proto.Message)
-	if !ok {
-		return codec.ErrInvalidMessage
-	}
-	return proto.Unmarshal(data, m)
-}
-
 func (c *Codec) ReadHeader(m *codec.Message, t codec.MessageType) error {
 	return nil
 }