From aaba681db1fcb5cb4e9ff924d95a333fced4cbfd Mon Sep 17 00:00:00 2001
From: Matthias Radestock <matthias.radestock@gmail.com>
Date: Sat, 11 Jul 2015 01:54:37 +0100
Subject: [PATCH] remove dead code

---
 router/crypto.go | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/router/crypto.go b/router/crypto.go
index c77f6250..3f172caf 100644
--- a/router/crypto.go
+++ b/router/crypto.go
@@ -31,7 +31,6 @@ func FormSessionKey(remotePublicKey, localPrivateKey *[32]byte, secretKey []byte
 type Encryptor interface {
 	FrameOverhead() int
 	PacketOverhead() int
-	IsEmpty() bool
 	Bytes() ([]byte, error)
 	AppendFrame(src []byte, dst []byte, frame []byte)
 	TotalLen() int
@@ -72,10 +71,6 @@ func (ne *NonEncryptor) FrameOverhead() int {
 	return NameSize + NameSize + 2
 }
 
-func (ne *NonEncryptor) IsEmpty() bool {
-	return ne.buffered == ne.prefixLen
-}
-
 func (ne *NonEncryptor) Bytes() ([]byte, error) {
 	buf := ne.buf[:ne.buffered]
 	ne.buffered = ne.prefixLen