diff --git a/README.md b/README.md
index ff5b116..fa2da38 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,7 @@ io.sockets
 **Client side**
 
 ```javascript
-var socket = io.connect('http://localhost:9000');
+const socket = io.connect('http://localhost:9000');
 socket.on('connect', function () {
   socket
     .emit('authenticate', {token: jwt}) //send the jwt
@@ -71,8 +71,8 @@ socket.on('connect', function () {
 The previous approach uses a second roundtrip to send the jwt. There is a way you can authenticate on the handshake by sending the JWT as a query string, the caveat is that intermediary HTTP servers can log the url.
 
 ```javascript
-var io            = require('socket.io')(server);
-var socketioJwt   = require('socketio-jwt');
+const io            = require('socket.io')(server);
+const socketioJwt   = require('socketio-jwt');
 ```
 
 With socket.io < 1.0:
@@ -108,7 +108,7 @@ For more validation options see [auth0/jsonwebtoken](https://github.com/auth0/no
 Append the jwt token using query string:
 
 ```javascript
-var socket = io.connect('http://localhost:9000', {
+const socket = io.connect('http://localhost:9000', {
   'query': 'token=' + your_jwt
 });
 ```
@@ -116,7 +116,7 @@ var socket = io.connect('http://localhost:9000', {
 Append the jwt token using 'Authorization Header' (Bearer Token):
 
 ```javascript
-var socket = io.connect('http://localhost:9000', {
+const socket = io.connect('http://localhost:9000', {
   'extraHeaders': { Authorization: `Bearer ${your_jwt}` }
 });
 ```
@@ -144,7 +144,7 @@ io.use(socketioJwt.authorize({
 When you sign the token with an expiration time (example: 60 minutes):
 
 ```javascript
-var token = jwt.sign(user_profile, jwt_secret, {expiresIn: 60*60});
+const token = jwt.sign(user_profile, jwt_secret, {expiresIn: 60*60});
 ```
 
 Your client-side code should handle it as below:
@@ -234,7 +234,7 @@ the provided token.
 **Server side**
 
 ```javascript
-var SECRETS = {
+const SECRETS = {
   'user1': 'secret 1',
   'user2': 'secret 2'
 }
diff --git a/lib/index.js b/lib/index.js
index 924d239..5485fcd 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -17,12 +17,15 @@ function noQsMethod (options) {
       }
     }
 
+    let auth_timeout = null;
+    if (options.required) {
+      auth_timeout = setTimeout(function () {
+        socket.disconnect('unauthorized');
+      }, options.timeout || 5000);
+    }
+
     socket.on('authenticate', function (data) {
       if (options.required) {
-        let auth_timeout = setTimeout(function () {
-          socket.disconnect('unauthorized');
-        }, options.timeout || 5000);
-
         clearTimeout(auth_timeout);
       }
 
@@ -30,13 +33,12 @@ function noQsMethod (options) {
       const onError = function (err, code) {
         if (err) {
           code        = code || 'unknown';
-
           const error = new UnauthorizedError(code, {
             message: (Object.prototype.toString.call(err) === '[object Object]' && err.message) ? err.message : err
           });
 
           let callback_timeout;
-          // If callback explicitely set to false, start timeout to disconnect socket
+          // If callback explicitly set to false, start timeout to disconnect socket
           if (options.callback === false || typeof options.callback === 'number') {
             if (typeof options.callback === 'number') {
               if (options.callback < 0) {
@@ -113,6 +115,10 @@ function noQsMethod (options) {
 function authorize (options, onConnection) {
   options = xtend({ decodedPropertyName: 'decoded_token', encodedPropertyName: 'encoded_token' }, options);
 
+  if (typeof options.secret !== 'string') {
+    throw new Error(`Provided secret "${options.secret}" is invalid, must be of type string.`)
+  }
+
   if (!options.handshake) {
     return noQsMethod(options);
   }
@@ -163,7 +169,7 @@ function authorize (options, onConnection) {
     if (options.auth_header_required && !token) {
       return auth.fail(new UnauthorizedError('missing_authorization_header', {
         message: 'Server requires Authorization Header'
-      }), data, accept);
+      }), socket, accept);
     }
 
     // Get the token from handshake or query string
diff --git a/package.json b/package.json
index 7118d2a..8a6f993 100644
--- a/package.json
+++ b/package.json
@@ -39,4 +39,4 @@
     "socket.io": "^1.7.3",
     "socket.io-client": "^1.7.3"
   }
-}
\ No newline at end of file
+}
diff --git a/test/authorizer.test.js b/test/authorizer.test.js
index 5dc737f..7b480ee 100644
--- a/test/authorizer.test.js
+++ b/test/authorizer.test.js
@@ -1,7 +1,7 @@
-var Q = require('q');
-var fixture = require('./fixture');
-var request = require('request');
-var io = require('socket.io-client');
+const Q = require('q');
+const fixture = require('./fixture');
+const request = require('request');
+const io = require('socket.io-client');
 
 describe('authorizer', function() {
   //start and stop the server
@@ -9,19 +9,18 @@ describe('authorizer', function() {
   after(fixture.stop);
 
   describe('when the user is not logged in', function () {
-    it('should emit error with unauthorized handshake', function (done){
-      var socket = io.connect('http://localhost:9000?token=boooooo', {
-        'forceNew': true
+    it('should emit error with unauthorized handshake', function (done) {
+      const socket = io.connect('http://localhost:9000?token=boooooo', {
+        forceNew: true
       });
 
-      socket.on('error', function(err){
+      socket.on('error', function(err) {
         err.message.should.eql("jwt malformed");
         err.code.should.eql("invalid_token");
         socket.close();
         done();
       });
     });
-
   });
 
   describe('when the user is logged in', function() {
@@ -41,30 +40,35 @@ describe('authorizer', function() {
         Q.ninvoke(fixture, 'stop')
           .then(function() { return Q.ninvoke(fixture, 'start', { auth_header_required: true })})
           .done(done);
-      })
+      });
+
       after(function(done) {
         Q.ninvoke(fixture, 'stop')
           .then(function() { return Q.ninvoke(fixture, 'start', { })})
           .done(done);
-      })
-
-      it('auth headers are supported', function (done){
-        var socket = io.connect('http://localhost:9000', {
-          'forceNew':true,
-          'extraHeaders': {'Authorization': 'Bearer ' + this.token}
-        });
-        socket.on('connect', function(){
-          socket.close();
-          done();
-        }).on('error', done);
       });
 
-      it('auth token in query string is disallowed', function (done){
-        var socket = io.connect('http://localhost:9000', {
-          'forceNew':true,
-          'query': 'token=' + this.token
+      it('auth headers are supported', function (done) {
+        const socket = io.connect('http://localhost:9000', {
+          forceNew: true,
+          extraHeaders: { Authorization: 'Bearer ' + this.token}
         });
-        socket.on('error', function(err){
+
+        socket
+          .on('connect', function() {
+            socket.close();
+            done();
+          })
+          .on('error', done);
+      });
+
+      it('auth token in query string is disallowed', function (done) {
+        const socket = io.connect('http://localhost:9000', {
+          forceNew: true,
+          query: 'token=' + this.token
+        });
+
+        socket.on('error', function(err) {
           err.message.should.eql("Server requires Authorization Header");
           err.code.should.eql("missing_authorization_header");
           socket.close();
@@ -80,48 +84,58 @@ describe('authorizer', function() {
           .done(done);
       })
 
-      it('auth headers are supported', function (done){
-        var socket = io.connect('http://localhost:9000', {
-          'forceNew':true,
-          'extraHeaders': {'Authorization': 'Bearer ' + this.token}
+      it('auth headers are supported', function (done) {
+        const socket = io.connect('http://localhost:9000', {
+          forceNew: true,
+          extraHeaders: { Authorization: 'Bearer ' + this.token }
         });
-        socket.on('connect', function(){
-          socket.close();
-          done();
-        }).on('error', done);
+
+        socket
+          .on('connect', function() {
+            socket.close();
+            done();
+          })
+          .on('error', done);
       });
 
-      it('should do the handshake and connect', function (done){
-        var socket = io.connect('http://localhost:9000', {
-          'forceNew':true,
-          'query': 'token=' + this.token
+      it('should do the handshake and connect', function (done) {
+        const socket = io.connect('http://localhost:9000', {
+          forceNew: true,
+          query: 'token=' + this.token
         });
-        socket.on('connect', function(){
-          socket.close();
-          done();
-        }).on('error', done);
+
+        socket
+          .on('connect', function() {
+            socket.close();
+            done();
+          })
+          .on('error', done);
       });
+
     });
   });
 
-  describe('unsgined token', function() {
+  describe('unsigned token', function() {
     beforeEach(function () {
       this.token = 'eyJhbGciOiJub25lIiwiY3R5IjoiSldUIn0.eyJuYW1lIjoiSm9obiBGb28ifQ.';
     });
 
-    it('should not do the handshake and connect', function (done){
-      var socket = io.connect('http://localhost:9000', {
-        'forceNew':true,
-        'query': 'token=' + this.token
-      });
-      socket.on('connect', function () {
-        socket.close();
-        done(new Error('this shouldnt happen'));
-      }).on('error', function (err) {
-        socket.close();
-        err.message.should.eql("jwt signature is required");
-        done();
+    it('should not do the handshake and connect', function (done) {
+      const socket = io.connect('http://localhost:9000', {
+        forceNew: true,
+        query: 'token=' + this.token
       });
+
+      socket
+        .on('connect', function () {
+          socket.close();
+          done(new Error('this shouldnt happen'));
+        })
+        .on('error', function (err) {
+          socket.close();
+          err.message.should.eql("jwt signature is required");
+          done();
+        });
     });
   });
 });
diff --git a/test/authorizer_namespaces.test.js b/test/authorizer_namespaces.test.js
index 84785b3..1a49fdd 100644
--- a/test/authorizer_namespaces.test.js
+++ b/test/authorizer_namespaces.test.js
@@ -1,6 +1,6 @@
-var fixture = require('./fixture/namespace');
-var request = require('request');
-var io = require('socket.io-client');
+const fixture = require('./fixture/namespace');
+const request = require('request');
+const io = require('socket.io-client');
 
 describe('authorizer with namespaces', function () {
 
@@ -11,16 +11,17 @@ describe('authorizer with namespaces', function () {
 
   describe('when the user is not logged in', function () {
 
-    it('should be able to connect to the default namespace', function (done){
-      var socket = io.connect('http://localhost:9000');
-      socket.once('hi', done);
+    it('should be able to connect to the default namespace', function (done) {
+      io.connect('http://localhost:9000')
+        .once('hi', done);
     });
 
-    it('should not be able to connect to the admin namespace', function (done){
-      var socket = io.connect('http://localhost:9000/admin');
-      socket.once('disconnect', function () {
-        done();
-      });
+    it('should not be able to connect to the admin namespace', function (done) {
+      io.connect('http://localhost:9000/admin')
+        .once('disconnect', function() { done(); })
+        .once('hi admin', function() {
+          done(new Error('unauthenticated client was able to connect to the admin namespace'));
+        });
     });
 
   });
@@ -38,16 +39,10 @@ describe('authorizer with namespaces', function () {
       }.bind(this));
     });
 
-    it('should do the handshake and connect', function (done){
-      var socket = io.connect('http://localhost:9000/admin', {
-        'forceNew': true,
-      });
-      var token = this.token;
-      socket.on('connect', function(){
-        socket.on('authenticated', function () {
-          done();
-        }).emit('authenticate', { token: token });
-      });
+    it('should do the handshake and connect', function (done) {
+      io.connect('http://localhost:9000/admin', { forceNew: true })
+        .on('authenticated', done)
+        .emit('authenticate', { token: this.token });
     });
   });
 
diff --git a/test/authorizer_noqs.test.js b/test/authorizer_noqs.test.js
index 53ef9ca..61d4f93 100644
--- a/test/authorizer_noqs.test.js
+++ b/test/authorizer_noqs.test.js
@@ -1,6 +1,6 @@
-var fixture = require('./fixture');
-var request = require('request');
-var io = require('socket.io-client');
+const fixture = require('./fixture');
+const request = require('request');
+const io = require('socket.io-client');
 
 describe('authorizer without querystring', function () {
 
@@ -15,23 +15,17 @@ describe('authorizer without querystring', function () {
 
   describe('when the user is not logged in', function () {
 
-    it('should close the connection after a timeout if no auth message is received', function (done){
-      var socket = io.connect('http://localhost:9000', {
-        forceNew: true
-      });
-      socket.once('disconnect', function () {
-        done();
-      });
+    it('should close the connection after a timeout if no auth message is received', function (done) {
+      io.connect('http://localhost:9000', { forceNew: true })
+        .once('disconnect', function () { done(); });
     });
 
-    it('should not respond echo', function (done){
-      var socket = io.connect('http://localhost:9000', {
-        'forceNew':true,
-      });
-
-      socket.on('echo-response', function () {
-        done(new Error('this should not happen'));
-      }).emit('echo', { hi: 123 });
+    it('should not respond echo', function (done) {
+      io.connect('http://localhost:9000', { forceNew: true })
+        .on('echo-response', function () {
+          done(new Error('this should not happen'));
+        })
+        .emit('echo', { hi: 123 });
 
       setTimeout(done, 1200);
     });
@@ -51,19 +45,18 @@ describe('authorizer without querystring', function () {
       }.bind(this));
     });
 
-    it('should do the handshake and connect', function (done){
-      var socket = io.connect('http://localhost:9000', {
-        'forceNew':true,
-      });
-      var token = this.token;
-      socket.on('connect', function(){
-        socket.on('echo-response', function () {
+    it('should do the handshake and connect', function (done) {
+      const socket = io.connect('http://localhost:9000', { forceNew: true });
+
+      socket
+        .on('echo-response', function () {
           socket.close();
           done();
-        }).on('authenticated', function () {
+        })
+        .on('authenticated', function () {
           socket.emit('echo');
-        }).emit('authenticate', { token: token });
-      });
+        })
+        .emit('authenticate', { token: this.token });
     });
   });
 
diff --git a/test/authorizer_secret_function_noqs.test.js b/test/authorizer_secret_function_noqs.test.js
index 912eed0..69b3faa 100644
--- a/test/authorizer_secret_function_noqs.test.js
+++ b/test/authorizer_secret_function_noqs.test.js
@@ -1,6 +1,6 @@
-var fixture = require('./fixture/secret_function');
-var request = require('request');
-var io = require('socket.io-client');
+const fixture = require('./fixture/secret_function');
+const request = require('request');
+const io = require('socket.io-client');
 
 describe('authorizer with secret function', function () {
 
@@ -8,7 +8,7 @@ describe('authorizer with secret function', function () {
   before(function (done) {
     fixture.start({
       handshake: false
-    } , done);
+    }, done);
   });
 
   after(fixture.stop);
@@ -26,20 +26,10 @@ describe('authorizer with secret function', function () {
         }.bind(this));
       });
 
-      it('should emit unauthorized', function (done){
-        var socket = io.connect('http://localhost:9000', {
-          'forceNew':true,
-        });
-
-        var invalidToken = this.invalidToken;
-        socket.on('unauthorized', function() {
-          done();
-        });
-
-        socket.on('connect', function(){
-          socket
-            .emit('authenticate', { token: invalidToken + 'ass' })
-        });
+      it('should emit unauthorized', function (done) {
+        io.connect('http://localhost:9000', { forceNew: true })
+          .on('unauthorized', function() { done(); })
+          .emit('authenticate', { token: this.invalidToken + 'ass' })
       });
     });
 
@@ -57,20 +47,18 @@ describe('authorizer with secret function', function () {
       }.bind(this));
     });
 
-    it('should do the handshake and connect', function (done){
-      var socket = io.connect('http://localhost:9000', {
-        'forceNew':true,
-      });
-      var token = this.token;
-      socket.on('connect', function(){
-        socket.on('echo-response', function () {
+    it('should do the handshake and connect', function (done) {
+      const socket = io.connect('http://localhost:9000', { forceNew: true });
+
+      socket
+        .on('echo-response', function () {
           socket.close();
           done();
-        }).on('authenticated', function () {
+        })
+        .on('authenticated', function () {
           socket.emit('echo');
         })
-        .emit('authenticate', { token: token })
-      });
+        .emit('authenticate', { token: this.token });
     });
   });
 
diff --git a/test/authorizer_secret_function_qs.test.js b/test/authorizer_secret_function_qs.test.js
index 0d3467e..950f0de 100644
--- a/test/authorizer_secret_function_qs.test.js
+++ b/test/authorizer_secret_function_qs.test.js
@@ -1,6 +1,6 @@
-var fixture = require('./fixture/secret_function');
-var request = require('request');
-var io = require('socket.io-client');
+const fixture = require('./fixture/secret_function');
+const request = require('request');
+const io = require('socket.io-client');
 
 describe('authorizer with secret function', function () {
 
@@ -10,12 +10,10 @@ describe('authorizer with secret function', function () {
 
   describe('when the user is not logged in', function () {
 
-    it('should emit error with unauthorized handshake', function (done){
-      var socket = io.connect('http://localhost:9000?token=boooooo', {
-        'forceNew': true
-      });
+    it('should emit error with unauthorized handshake', function (done) {
+      const socket = io.connect('http://localhost:9000?token=boooooo', { forceNew: true });
 
-      socket.on('error', function(err){
+      socket.on('error', function(err) {
         err.message.should.eql("jwt malformed");
         err.code.should.eql("invalid_token");
         socket.close();
@@ -37,15 +35,18 @@ describe('authorizer with secret function', function () {
       }.bind(this));
     });
 
-    it('should do the handshake and connect', function (done){
-      var socket = io.connect('http://localhost:9000', {
-        'forceNew':true,
-        'query': 'token=' + this.token
+    it('should do the handshake and connect', function (done) {
+      const socket = io.connect('http://localhost:9000', {
+        forceNew: true,
+        query: 'token=' + this.token
       });
-      socket.on('connect', function(){
-        socket.close();
-        done();
-      }).on('error', done);
+
+      socket
+        .on('connect', function() {
+          socket.close();
+          done();
+        })
+        .on('error', done);
     });
   });
 
@@ -54,19 +55,22 @@ describe('authorizer with secret function', function () {
       this.token = 'eyJhbGciOiJub25lIiwiY3R5IjoiSldUIn0.eyJuYW1lIjoiSm9obiBGb28ifQ.';
     });
 
-    it('should not do the handshake and connect', function (done){
-      var socket = io.connect('http://localhost:9000', {
-        'forceNew':true,
-        'query': 'token=' + this.token
-      });
-      socket.on('connect', function () {
-        socket.close();
-        done(new Error('this shouldnt happen'));
-      }).on('error', function (err) {
-        socket.close();
-        err.message.should.eql("jwt signature is required");
-        done();
+    it('should not do the handshake and connect', function (done) {
+      const socket = io.connect('http://localhost:9000', {
+        forceNew: true,
+        query: 'token=' + this.token
       });
+
+      socket
+        .on('connect', function () {
+          socket.close();
+          done(new Error('this shouldnt happen'));
+        })
+        .on('error', function (err) {
+          socket.close();
+          err.message.should.eql("jwt signature is required");
+          done();
+        });
     });
   });
 
diff --git a/test/fixture/index.js b/test/fixture/index.js
index f897021..5a4ef1a 100644
--- a/test/fixture/index.js
+++ b/test/fixture/index.js
@@ -1,16 +1,15 @@
-var express = require('express');
-var http = require('http');
+const express = require('express');
+const http = require('http');
 
-var socketIo = require('socket.io');
-var socketio_jwt = require('../../lib');
+const socketIo = require('socket.io');
+const socketio_jwt = require('../../lib');
 
-var jwt = require('jsonwebtoken');
+const jwt = require('jsonwebtoken');
+const xtend = require('xtend');
+const bodyParser = require('body-parser');
+const enableDestroy = require('server-destroy');
 
-var xtend = require('xtend');
-var bodyParser = require('body-parser');
-
-var server, sio;
-var enableDestroy = require('server-destroy');
+let sio;
 
 exports.start = function (options, callback) {
 
@@ -25,12 +24,13 @@ exports.start = function (options, callback) {
     handshake: true
   }, options);
 
-  var app = express();
+  const app = express();
+  const server = http.createServer(app);
+  sio = socketIo.listen(server);
 
   app.use(bodyParser.json());
-
   app.post('/login', function (req, res) {
-    var profile = {
+    const profile = {
       first_name: 'John',
       last_name: 'Doe',
       email: 'john@doe.com',
@@ -38,14 +38,10 @@ exports.start = function (options, callback) {
     };
 
     // We are sending the profile inside the token
-    var token = jwt.sign(profile, options.secret, { expiresIn: 60*60*5 });
-
+    const token = jwt.sign(profile, options.secret, { expiresIn: 60*60*5 });
     res.json({token: token});
   });
 
-  server = http.createServer(app);
-
-  sio = socketIo.listen(server);
 
   if (options.handshake) {
     sio.use(socketio_jwt.authorize(options));
@@ -77,4 +73,4 @@ exports.stop = function (callback) {
     server.destroy();
   } catch (er) {}
   callback();
-};
\ No newline at end of file
+};
diff --git a/test/fixture/namespace.js b/test/fixture/namespace.js
index eff8223..3100f0b 100644
--- a/test/fixture/namespace.js
+++ b/test/fixture/namespace.js
@@ -1,16 +1,14 @@
-var express = require('express');
-var http = require('http');
+const express = require('express');
+const http = require('http');
 
-var socketIo = require('socket.io');
-var socketio_jwt = require('../../lib');
+const socketIo = require('socket.io');
+const socketio_jwt = require('../../lib');
 
-var jwt = require('jsonwebtoken');
+const jwt = require('jsonwebtoken');
+const enableDestroy = require('server-destroy');
+const bodyParser = require('body-parser');
 
-var xtend = require('xtend');
-var bodyParser = require('body-parser');
-
-var server, sio;
-var enableDestroy = require('server-destroy');
+let sio;
 
 /**
  * This is an example server that shows how to do namespace authentication.
@@ -19,18 +17,19 @@ var enableDestroy = require('server-destroy');
  */
 exports.start = function (callback) {
 
-  options = {
+  const options = {
     secret: 'aaafoo super sercret',
     timeout: 1000,
     handshake: false
   };
 
-  var app = express();
+  const app = express();
+  const server = http.createServer(app);
+  sio = socketIo.listen(server);
 
   app.use(bodyParser.json());
-
   app.post('/login', function (req, res) {
-    var profile = {
+    const profile = {
       first_name: 'John',
       last_name: 'Doe',
       email: 'john@doe.com',
@@ -38,20 +37,17 @@ exports.start = function (callback) {
     };
 
     // We are sending the profile inside the token
-    var token = jwt.sign(profile, options.secret, { expiresIn: 60*60*5 });
-
-    res.json({token: token});
+    const token = jwt.sign(profile, options.secret, { expiresIn: 60*60*5 });
+    res.json({ token: token });
   });
 
-  server = http.createServer(app);
 
-  sio = socketIo.listen(server);
 
   sio.on('connection', function (socket) {
     socket.emit('hi');
   });
 
-  var admin_nsp = sio.of('/admin');
+  const admin_nsp = sio.of('/admin');
 
   admin_nsp.on('connection', socketio_jwt.authorize(options))
            .on('authenticated', function (socket) {
@@ -69,4 +65,4 @@ exports.stop = function (callback) {
     server.destroy();
   } catch (er) {}
   callback();
-};
\ No newline at end of file
+};
diff --git a/test/fixture/secret_function.js b/test/fixture/secret_function.js
index 48badd0..f850f24 100644
--- a/test/fixture/secret_function.js
+++ b/test/fixture/secret_function.js
@@ -1,19 +1,18 @@
-var express = require('express');
-var http = require('http');
+const express = require('express');
+const http = require('http');
 
-var socketIo = require('socket.io');
-var socketio_jwt = require('../../lib');
+const socketIo = require('socket.io');
+const socketio_jwt = require('../../lib');
 
-var jwt = require('jsonwebtoken');
+const jwt = require('jsonwebtoken');
+const xtend = require('xtend');
+const bodyParser = require('body-parser');
+const enableDestroy = require('server-destroy');
 
-var xtend = require('xtend');
-var bodyParser = require('body-parser');
-
-var server, sio;
-var enableDestroy = require('server-destroy');
+let sio;
 
 exports.start = function (options, callback) {
-  var SECRETS = {
+  const SECRETS = {
     123: 'aaafoo super sercret',
     555: 'other'
   };
@@ -31,12 +30,13 @@ exports.start = function (options, callback) {
     handshake: true
   }, options);
 
-  var app = express();
+  const app = express();
+  const server = http.createServer(app);
+  sio = socketIo.listen(server);
 
   app.use(bodyParser.json());
-
   app.post('/login', function (req, res) {
-    var profile = {
+    const profile = {
       first_name: 'John',
       last_name: 'Doe',
       email: 'john@doe.com',
@@ -44,15 +44,10 @@ exports.start = function (options, callback) {
     };
 
     // We are sending the profile inside the token
-    var token = jwt.sign(profile, SECRETS[123], { expiresIn: 60*60*5 });
-
+    const token = jwt.sign(profile, SECRETS[123], { expiresIn: 60*60*5 });
     res.json({token: token});
   });
 
-  server = http.createServer(app);
-
-  sio = socketIo.listen(server);
-
   if (options.handshake) {
     sio.use(socketio_jwt.authorize(options));
 
@@ -86,4 +81,3 @@ exports.stop = function (callback) {
 
   callback();
 };
-