From 38543934d80cd94630a37eeb8777a9f89cf91a29 Mon Sep 17 00:00:00 2001
From: shanyy <shanyy163@163.com>
Date: Fri, 18 May 2018 17:25:57 +0800
Subject: [PATCH] Remove broken preview hosts

---
 preface.md | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/preface.md b/preface.md
index 8f66c26..cac3122 100644
--- a/preface.md
+++ b/preface.md
@@ -12,12 +12,6 @@ Go语言圣经 [《The Go Programming Language》](http://gopl.io) 中文版本
 在线预览：
 
 - https://gopl-zh.shanyy.xyz
-- http://gopl-zh.simple-is-best.tk/
-- http://gopl-zh.b0.upaiyun.com/
-- http://docs.ruanjiadeng.com/gopl-zh/
-- http://shifei.me/gopl-zh/
-- http://2goo.info/media/html/gopl-zh-gh-pages/
-- http://docs.plhwin.com/gopl-zh/
 - https://docs.hacknode.org/gopl-zh/
 - http://books.studygolang.com/gopl-zh/