diff --git a/example/config.json b/example/config.json
index 726e00e..4fb2479 100644
--- a/example/config.json
+++ b/example/config.json
@@ -2,7 +2,6 @@
     "port": 5000,
     "bots": {
         "github": {
-            "hostname": "github.com",
             "token": "YOUR_TOKEN",
             "route": "/github/hooks/:roomid"
         }
diff --git a/lib/bots.js b/lib/bots.js
index c67e462..9df4254 100644
--- a/lib/bots.js
+++ b/lib/bots.js
@@ -15,12 +15,6 @@ fs.readdirSync(path.join(process.cwd(), 'bots')).forEach(function (botfile) {
             config  = require(cwd + '/config'),
             bot     = require(cwd + '/bots/' + botname);
 
-        if (req.headers.host !== config.bots[botname].hostname) {
-            res.statusCode = 404;
-            res.end();
-            return;
-        }
-
         // chatwork client initialize.
         cw.init({ token: config.bots[botname].token });