diff --git a/back/src/App.ts b/back/src/App.ts
index c13b6fdc..5853f4d6 100644
--- a/back/src/App.ts
+++ b/back/src/App.ts
@@ -1,10 +1,6 @@
 // lib/app.ts
 import {IoSocketController} from "./Controller/IoSocketController"; //TODO fix import by "_Controller/..."
 import {AuthenticateController} from "./Controller/AuthenticateController"; //TODO fix import by "_Controller/..."
-import express from "express";
-import {Application, Request, Response} from 'express';
-import bodyParser = require('body-parser');
-import * as http from "http";
 import {MapController} from "./Controller/MapController";
 import {PrometheusController} from "./Controller/PrometheusController";
 import {AdminController} from "./Controller/AdminController";
diff --git a/back/src/Controller/AdminController.ts b/back/src/Controller/AdminController.ts
index c4905a8a..78280523 100644
--- a/back/src/Controller/AdminController.ts
+++ b/back/src/Controller/AdminController.ts
@@ -1,24 +1,26 @@
-import {Application, Request, Response} from "express";
 import {OK} from "http-status-codes";
 import {ADMIN_API_TOKEN, ADMIN_API_URL} from "../Enum/EnvironmentVariable";
 import Axios from "axios";
+import {HttpRequest, HttpResponse} from "uWebSockets.js";
+import {parse} from "query-string";
+import {App} from "../Server/sifrr.server";
 
 export class AdminController {
-    App : Application;
-
-    constructor(App : Application) {
-        this.App = App;
+    constructor(private App : App) {
         this.getLoginUrlByToken();
     }
 
-    
+
     getLoginUrlByToken(){
-        this.App.get("/register/:token", async (req: Request, res: Response) => {
+        this.App.get("/register/:token", async (res: HttpResponse, req: HttpRequest) => {
             if (!ADMIN_API_URL) {
-                return res.status(500).send('No admin backoffice set!');
+                return res.writeStatus("500 Internal Server Error").end('No admin backoffice set!');
             }
-            const token:string = req.params.token;
-            
+
+            const query = parse(req.getQuery());
+
+            const token:string = query.token as string;
+
             let response = null
             try {
                 response = await Axios.get(ADMIN_API_URL+'/api/login-url/'+token, { headers: {"Authorization" : `${ADMIN_API_TOKEN}`} })
@@ -30,7 +32,7 @@ export class AdminController {
             const organizationSlug = response.data.organizationSlug;
             const worldSlug = response.data.worldSlug;
             const roomSlug = response.data.roomSlug;
-            return res.status(OK).send({organizationSlug, worldSlug, roomSlug});
+            return res.writeStatus("200 OK").end(JSON.stringify({organizationSlug, worldSlug, roomSlug}));
         });
     }
 }
diff --git a/back/src/Controller/AuthenticateController.ts b/back/src/Controller/AuthenticateController.ts
index a65255a2..b7fd093c 100644
--- a/back/src/Controller/AuthenticateController.ts
+++ b/back/src/Controller/AuthenticateController.ts
@@ -1,6 +1,4 @@
-import {Application, Request, Response} from "express";
 import Jwt from "jsonwebtoken";
-import {BAD_REQUEST, OK} from "http-status-codes";
 import {SECRET_KEY, URL_ROOM_STARTED} from "../Enum/EnvironmentVariable"; //TODO fix import by "_Enum/..."
 import { uuid } from 'uuidv4';
 import {HttpRequest, HttpResponse, TemplatedApp} from "uWebSockets.js";
diff --git a/back/src/Controller/DebugController.ts b/back/src/Controller/DebugController.ts
index 54544f6c..e77b28f3 100644
--- a/back/src/Controller/DebugController.ts
+++ b/back/src/Controller/DebugController.ts
@@ -1,22 +1,25 @@
-import {Application, Request, Response} from "express";
-import {OK} from "http-status-codes";
 import {ADMIN_API_TOKEN} from "../Enum/EnvironmentVariable";
 import {IoSocketController} from "_Controller/IoSocketController";
 import {stringify} from "circular-json";
+import {HttpRequest, HttpResponse} from "uWebSockets.js";
+import { parse } from 'query-string';
+import {App} from "../Server/sifrr.server";
 
 export class DebugController {
-    constructor(private App : Application, private ioSocketController: IoSocketController) {
+    constructor(private App : App, private ioSocketController: IoSocketController) {
         this.getDump();
     }
 
 
     getDump(){
-        this.App.get("/dump", (req: Request, res: Response) => {
-            if (req.query.token !== ADMIN_API_TOKEN) {
+        this.App.get("/dump", (res: HttpResponse, req: HttpRequest) => {
+            const query = parse(req.getQuery());
+
+            if (query.token !== ADMIN_API_TOKEN) {
                 return res.status(401).send('Invalid token sent!');
             }
 
-            return res.status(OK).contentType('application/json').send(stringify(
+            return res.writeStatus('200 OK').writeHeader('Content-Type', 'application/json').end(stringify(
                 this.ioSocketController.getWorlds(),
                 (key: unknown, value: unknown) => {
                     if(value instanceof Map) {
diff --git a/back/src/Controller/IoSocketController.ts b/back/src/Controller/IoSocketController.ts
index d9bdc950..cd3d5e52 100644
--- a/back/src/Controller/IoSocketController.ts
+++ b/back/src/Controller/IoSocketController.ts
@@ -121,7 +121,7 @@ export class IoSocketController {
      *
      * @param token
      */
-    searchClientByToken(token: string): ExSocketInterface | null {
+/*    searchClientByToken(token: string): ExSocketInterface | null {
         const clients: ExSocketInterface[] = Object.values(this.Io.sockets.sockets) as ExSocketInterface[];
         for (let i = 0; i < clients.length; i++) {
             const client = clients[i];
@@ -131,7 +131,7 @@ export class IoSocketController {
             return client;
         }
         return null;
-    }
+    }*/
 
     private authenticate(ws: WebSocket) {
         //console.log(socket.handshake.query.token);
@@ -657,25 +657,23 @@ export class IoSocketController {
         //socket.emit(SocketIoEvent.GROUP_CREATE_UPDATE, groupUpdateMessage.serializeBinary().buffer);
     }
 
-    private emitDeleteGroupEvent(socket: Socket, groupId: number): void {
+    private emitDeleteGroupEvent(client: ExSocketInterface, groupId: number): void {
         const groupDeleteMessage = new GroupDeleteMessage();
         groupDeleteMessage.setGroupid(groupId);
 
         const subMessage = new SubMessage();
         subMessage.setGroupdeletemessage(groupDeleteMessage);
 
-        const client : ExSocketInterface = socket as ExSocketInterface;
         emitInBatch(client, subMessage);
     }
 
-    private emitUserLeftEvent(socket: Socket, userId: number): void {
+    private emitUserLeftEvent(client: ExSocketInterface, userId: number): void {
         const userLeftMessage = new UserLeftMessage();
         userLeftMessage.setUserid(userId);
 
         const subMessage = new SubMessage();
         subMessage.setUserleftmessage(userLeftMessage);
 
-        const client : ExSocketInterface = socket as ExSocketInterface;
         emitInBatch(client, subMessage);
     }
 
diff --git a/back/src/Server/server/baseapp.ts b/back/src/Server/server/baseapp.ts
index dbac5929..d723c33d 100644
--- a/back/src/Server/server/baseapp.ts
+++ b/back/src/Server/server/baseapp.ts
@@ -1,18 +1,9 @@
-import { readdirSync, statSync } from 'fs';
-import { join, relative } from 'path';
 import { Readable } from 'stream';
 import { us_listen_socket_close, TemplatedApp, HttpResponse, HttpRequest } from 'uWebSockets.js';
-//import { watch } from 'chokidar';
 
-import { wsConfig } from './livereload';
-import sendFile from './sendfile';
-import formData from './formdata';
-import loadroutes from './loadroutes';
-import { graphqlPost, graphqlWs } from './graphql';
 import { stob } from './utils';
-import { SendFileOptions, Handler } from './types';
+import { Handler } from './types';
 
-const contTypes = ['application/x-www-form-urlencoded', 'multipart/form-data'];
 const noOp = () => true;
 
 const handleBody = (res: HttpResponse, req: HttpRequest) => {
@@ -24,7 +15,7 @@ const handleBody = (res: HttpResponse, req: HttpRequest) => {
 
     this.onData((ab, isLast) => {
       // uint and then slicing is bit faster than slice and then uint
-      stream.push(new Uint8Array(ab.slice(ab.byteOffset, ab.byteLength)));
+      stream.push(new Uint8Array(ab.slice((ab as any).byteOffset, ab.byteLength)));
       if (isLast) {
         stream.push(null);
       }
@@ -37,15 +28,10 @@ const handleBody = (res: HttpResponse, req: HttpRequest) => {
 
   if (contType.indexOf('application/json') > -1)
     res.json = async () => JSON.parse(await res.body());
-  if (contTypes.map(t => contType.indexOf(t) > -1).indexOf(true) > -1)
-    res.formData = formData.bind(res, contType);
 };
 
 class BaseApp {
-  _staticPaths = new Map();
-  //_watched = new Map();
   _sockets = new Map();
-  __livereloadenabled = false;
   ws!: TemplatedApp['ws'];
   get!: TemplatedApp['get'];
   _post!: TemplatedApp['post'];
@@ -53,84 +39,6 @@ class BaseApp {
   _patch!: TemplatedApp['patch'];
   _listen!: TemplatedApp['listen'];
 
-  file(pattern: string, filePath: string, options: SendFileOptions = {}) {
-    pattern=pattern.replace(/\\/g,'/');
-    if (this._staticPaths.has(pattern)) {
-      if (options.failOnDuplicateRoute)
-        throw Error(
-          `Error serving '${filePath}' for '${pattern}', already serving '${
-            this._staticPaths.get(pattern)[0]
-          }' file for this pattern.`
-        );
-      else if (!options.overwriteRoute) return this;
-    }
-
-    if (options.livereload && !this.__livereloadenabled) {
-      this.ws('/__sifrrLiveReload', wsConfig);
-      this.file('/livereload.js', join(__dirname, './livereloadjs.js'));
-      this.__livereloadenabled = true;
-    }
-
-    this._staticPaths.set(pattern, [filePath, options]);
-    this.get(pattern, this._serveStatic);
-    return this;
-  }
-
-  folder(prefix: string, folder: string, options: SendFileOptions, base: string = folder) {
-    // not a folder
-    if (!statSync(folder).isDirectory()) {
-      throw Error('Given path is not a directory: ' + folder);
-    }
-
-    // ensure slash in beginning and no trailing slash for prefix
-    if (prefix[0] !== '/') prefix = '/' + prefix;
-    if (prefix[prefix.length - 1] === '/') prefix = prefix.slice(0, -1);
-
-    // serve folder
-    const filter = options ? options.filter || noOp : noOp;
-    readdirSync(folder).forEach(file => {
-      // Absolute path
-      const filePath = join(folder, file);
-      // Return if filtered
-      if (!filter(filePath)) return;
-
-      if (statSync(filePath).isDirectory()) {
-        // Recursive if directory
-        this.folder(prefix, filePath, options, base);
-      } else {
-        this.file(prefix + '/' + relative(base, filePath), filePath, options);
-      }
-    });
-
-    /*if (options && options.watch) {
-      if (!this._watched.has(folder)) {
-        const w = watch(folder);
-
-        w.on('unlink', filePath => {
-          const url = '/' + relative(base, filePath);
-          this._staticPaths.delete(prefix + url);
-        });
-
-        w.on('add', filePath => {
-          const url = '/' + relative(base, filePath);
-          this.file(prefix + url, filePath, options);
-        });
-
-        this._watched.set(folder, w);
-      }
-    }*/
-    return this;
-  }
-
-  _serveStatic(res: HttpResponse, req: HttpRequest) {
-    res.onAborted(noOp);
-    const options = this._staticPaths.get(req.getUrl());
-    if (typeof options === 'undefined') {
-      res.writeStatus('404 Not Found');
-      res.end();
-    } else sendFile(res, req, options[0], options[1]);
-  }
-
   post(pattern: string, handler: Handler) {
     if (typeof handler !== 'function')
       throw Error(`handler should be a function, given ${typeof handler}.`);
@@ -163,21 +71,6 @@ class BaseApp {
     return this;
   }
 
-  graphql(route: string, schema, graphqlOptions: any = {}, uwsOptions = {}, graphql) {
-    const handler = graphqlPost(schema, graphqlOptions, graphql);
-    this.post(route, handler);
-    this.ws(route, graphqlWs(schema, graphqlOptions, uwsOptions, graphql));
-    // this.get(route, handler);
-    if (graphqlOptions && graphqlOptions.graphiqlPath)
-      this.file(graphqlOptions.graphiqlPath, join(__dirname, './graphiql.html'));
-    return this;
-  }
-
-  load(dir: string, options) {
-    loadroutes.call(this, dir, options);
-    return this;
-  }
-
   listen(h: string | number, p: Function | number = noOp, cb?: Function) {
     if (typeof p === 'number' && typeof h === 'string') {
       this._listen(h, p, socket => {
@@ -202,8 +95,6 @@ class BaseApp {
   }
 
   close(port: null | number = null) {
-    //this._watched.forEach(v => v.close());
-    //this._watched.clear();
     if (port) {
       this._sockets.has(port) && us_listen_socket_close(this._sockets.get(port));
       this._sockets.delete(port);
diff --git a/back/src/Server/server/cluster.ts b/back/src/Server/server/cluster.ts
deleted file mode 100644
index 5b875327..00000000
--- a/back/src/Server/server/cluster.ts
+++ /dev/null
@@ -1,48 +0,0 @@
-const noop = (a, b) => {};
-
-export default class Cluster {
-  apps: any[];
-  listens = {};
-  // apps = [ { app: SifrrServerApp, port/ports: int } ]
-  constructor(apps) {
-    if (!Array.isArray(apps)) apps = [apps];
-    this.apps = apps;
-  }
-
-  listen(onListen = noop) {
-    for (let i = 0; i < this.apps.length; i++) {
-      const config = this.apps[i];
-      let { app, port, ports } = config;
-      if (!Array.isArray(ports) || ports.length === 0) {
-        ports = [port];
-      }
-      ports.forEach(p => {
-        if (typeof p !== 'number') throw Error(`Port should be a number, given ${p}`);
-        if (this.listens[p]) return;
-
-        app.listen(p, socket => {
-          onListen.call(app, socket, p);
-        });
-        this.listens[p] = app;
-      });
-    }
-    return this;
-  }
-
-  closeAll() {
-    Object.keys(this.listens).forEach(port => {
-      this.close(port);
-    });
-    return this;
-  }
-
-  close(port = null) {
-    if (port) {
-      this.listens[port] && this.listens[port].close(port);
-      delete this.listens[port];
-    } else {
-      this.closeAll();
-    }
-    return this;
-  }
-}
diff --git a/back/src/Server/server/formdata.ts b/back/src/Server/server/formdata.ts
deleted file mode 100644
index 419e6c6b..00000000
--- a/back/src/Server/server/formdata.ts
+++ /dev/null
@@ -1,99 +0,0 @@
-import { createWriteStream } from 'fs';
-import { join, dirname } from 'path';
-import Busboy from 'busboy';
-import mkdirp from 'mkdirp';
-
-function formData(
-  contType: string,
-  options: busboy.BusboyConfig & {
-    abortOnLimit?: boolean;
-    tmpDir?: string;
-    onFile?: (
-      fieldname: string,
-      file: NodeJS.ReadableStream,
-      filename: string,
-      encoding: string,
-      mimetype: string
-    ) => string;
-    onField?: (fieldname: string, value: any) => void;
-    filename?: (oldName: string) => string;
-  } = {}
-) {
-  options.headers = {
-    'content-type': contType
-  };
-
-  return new Promise((resolve, reject) => {
-    const busb = new Busboy(options);
-    const ret = {};
-
-    this.bodyStream().pipe(busb);
-
-    busb.on('limit', () => {
-      if (options.abortOnLimit) {
-        reject(Error('limit'));
-      }
-    });
-
-    busb.on('file', function(fieldname, file, filename, encoding, mimetype) {
-      const value = {
-        filename,
-        encoding,
-        mimetype,
-        filePath: undefined
-      };
-
-      if (typeof options.tmpDir === 'string') {
-        if (typeof options.filename === 'function') filename = options.filename(filename);
-        const fileToSave = join(options.tmpDir, filename);
-        mkdirp(dirname(fileToSave));
-
-        file.pipe(createWriteStream(fileToSave));
-        value.filePath = fileToSave;
-      }
-      if (typeof options.onFile === 'function') {
-        value.filePath =
-          options.onFile(fieldname, file, filename, encoding, mimetype) || value.filePath;
-      }
-
-      setRetValue(ret, fieldname, value);
-    });
-
-    busb.on('field', function(fieldname, value) {
-      if (typeof options.onField === 'function') options.onField(fieldname, value);
-
-      setRetValue(ret, fieldname, value);
-    });
-
-    busb.on('finish', function() {
-      resolve(ret);
-    });
-
-    busb.on('error', reject);
-  });
-}
-
-function setRetValue(
-  ret: { [x: string]: any },
-  fieldname: string,
-  value: { filename: string; encoding: string; mimetype: string; filePath?: string } | any
-) {
-  if (fieldname.slice(-2) === '[]') {
-    fieldname = fieldname.slice(0, fieldname.length - 2);
-    if (Array.isArray(ret[fieldname])) {
-      ret[fieldname].push(value);
-    } else {
-      ret[fieldname] = [value];
-    }
-  } else {
-    if (Array.isArray(ret[fieldname])) {
-      ret[fieldname].push(value);
-    } else if (ret[fieldname]) {
-      ret[fieldname] = [ret[fieldname], value];
-    } else {
-      ret[fieldname] = value;
-    }
-  }
-}
-
-export default formData;
diff --git a/back/src/Server/server/graphiql.html b/back/src/Server/server/graphiql.html
deleted file mode 100644
index 7ce03921..00000000
--- a/back/src/Server/server/graphiql.html
+++ /dev/null
@@ -1,133 +0,0 @@
-<!--
- *  Copyright (c) 2019 GraphQL Contributors
- *  All rights reserved.
- *
- *  This source code is licensed under the license found in the
- *  LICENSE file in the root directory of this source tree.
--->
-<!DOCTYPE html>
-<html>
-  <head>
-    <style>
-      body {
-        height: 100%;
-        margin: 0;
-        width: 100%;
-        overflow: hidden;
-      }
-      #graphiql {
-        height: 100vh;
-      }
-    </style>
-
-    <!--
-      This GraphiQL example depends on Promise and fetch, which are available in
-      modern browsers, but can be "polyfilled" for older browsers.
-      GraphiQL itself depends on React DOM.
-      If you do not want to rely on a CDN, you can host these files locally or
-      include them directly in your favored resource bunder.
-    -->
-    <script src="//cdn.jsdelivr.net/react/15.4.2/react.min.js"></script>
-    <script src="//cdn.jsdelivr.net/react/15.4.2/react-dom.min.js"></script>
-
-    <!--
-      These two files can be found in the npm module, however you may wish to
-      copy them directly into your environment, or perhaps include them in your
-      favored resource bundler.
-     -->
-    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/graphiql/graphiql.css" />
-    <script src="https://cdn.jsdelivr.net/npm/graphiql/graphiql.js" charset="utf-8"></script>
-    <script src="https://cdn.jsdelivr.net/npm/@sifrr/fetch" charset="utf-8"></script>
-  </head>
-  <body>
-    <div id="graphiql">Loading...</div>
-    <script>
-      /**
-       * This GraphiQL example illustrates how to use some of GraphiQL's props
-       * in order to enable reading and updating the URL parameters, making
-       * link sharing of queries a little bit easier.
-       *
-       * This is only one example of this kind of feature, GraphiQL exposes
-       * various React params to enable interesting integrations.
-       */
-      // Parse the search string to get url parameters.
-      var search = window.location.search;
-      var parameters = {};
-      search
-        .substr(1)
-        .split('&')
-        .forEach(function(entry) {
-          var eq = entry.indexOf('=');
-          if (eq >= 0) {
-            parameters[decodeURIComponent(entry.slice(0, eq))] = decodeURIComponent(
-              entry.slice(eq + 1)
-            );
-          }
-        });
-      // if variables was provided, try to format it.
-      if (parameters.variables) {
-        try {
-          parameters.variables = JSON.stringify(JSON.parse(parameters.variables), null, 2);
-        } catch (e) {
-          // Do nothing, we want to display the invalid JSON as a string, rather
-          // than present an error.
-        }
-      }
-      // When the query and variables string is edited, update the URL bar so
-      // that it can be easily shared
-      function onEditQuery(newQuery) {
-        parameters.query = newQuery;
-        updateURL();
-      }
-      function onEditVariables(newVariables) {
-        parameters.variables = newVariables;
-        updateURL();
-      }
-      function onEditOperationName(newOperationName) {
-        parameters.operationName = newOperationName;
-        updateURL();
-      }
-      function updateURL() {
-        var newSearch =
-          '?' +
-          Object.keys(parameters)
-            .filter(function(key) {
-              return Boolean(parameters[key]);
-            })
-            .map(function(key) {
-              return encodeURIComponent(key) + '=' + encodeURIComponent(parameters[key]);
-            })
-            .join('&');
-        history.replaceState(null, null, newSearch);
-      }
-      // Defines a GraphQL fetcher using the fetch API. You're not required to
-      // use fetch, and could instead implement graphQLFetcher however you like,
-      // as long as it returns a Promise or Observable.
-      function graphQLFetcher(graphQLParams) {
-        // When working locally, the example expects a GraphQL server at the path /graphql.
-        // In a PR preview, it connects to the Star Wars API externally.
-        // Change this to point wherever you host your GraphQL server.
-        const api = '/graphql';
-        return Sifrr.Fetch.graphql(api, {
-          ...graphQLParams
-        });
-      }
-      // Render <GraphiQL /> into the body.
-      // See the README in the top level of this module to learn more about
-      // how you can customize GraphiQL by providing different values or
-      // additional child elements.
-      ReactDOM.render(
-        React.createElement(GraphiQL, {
-          fetcher: graphQLFetcher,
-          query: parameters.query,
-          variables: parameters.variables,
-          operationName: parameters.operationName,
-          onEditQuery: onEditQuery,
-          onEditVariables: onEditVariables,
-          onEditOperationName: onEditOperationName
-        }),
-        document.getElementById('graphiql')
-      );
-    </script>
-  </body>
-</html>
diff --git a/back/src/Server/server/graphql.ts b/back/src/Server/server/graphql.ts
deleted file mode 100644
index 63a2bdaa..00000000
--- a/back/src/Server/server/graphql.ts
+++ /dev/null
@@ -1,138 +0,0 @@
-import { parse } from 'query-string';
-import { createAsyncIterator, forAwaitEach, isAsyncIterable } from 'iterall';
-import { HttpResponse, HttpRequest } from 'uWebSockets.js';
-// client -> server
-const GQL_START = 'start';
-const GQL_STOP = 'stop';
-// server -> client
-const GQL_DATA = 'data';
-const GQL_QUERY = 'query';
-
-async function getGraphqlParams(res: HttpResponse, req: HttpRequest) {
-  // query and variables
-  const queryParams = parse(req.getQuery());
-  let { query, variables, operationName } = queryParams;
-  if (typeof variables === 'string') variables = JSON.parse(variables);
-
-  // body
-  if (res && typeof res.json === 'function') {
-    const data = await res.json();
-    query = data.query || query;
-    variables = data.variables || variables;
-    operationName = data.operationName || operationName;
-  }
-  return {
-    source: query,
-    variableValues: variables,
-    operationName
-  };
-}
-
-function graphqlPost(schema, graphqlOptions: any = {}, graphql: any = {}) {
-  const execute = graphql.graphql || require('graphql').graphql;
-
-  return async (res: HttpResponse, req: HttpRequest) => {
-    res.onAborted(console.error);
-
-    res.writeHeader('content-type', 'application/json');
-    res.end(
-      JSON.stringify(
-        await execute({
-          schema,
-          ...(await getGraphqlParams(res, req)),
-          ...graphqlOptions,
-          contextValue: {
-            res,
-            req,
-            ...(graphqlOptions &&
-              (graphqlOptions.contextValue ||
-                (graphqlOptions.contextFxn && (await graphqlOptions.contextFxn(res, req)))))
-          }
-        })
-      )
-    );
-  };
-}
-
-function stopGqsSubscription(operations, reqOpId) {
-  if (!reqOpId) return;
-  operations[reqOpId] && operations[reqOpId].return && operations[reqOpId].return();
-  delete operations[reqOpId];
-}
-
-function graphqlWs(schema, graphqlOptions: any = {}, uwsOptions: any = {}, graphql: any = {}) {
-  const subscribe = graphql.subscribe || require('graphql').subscribe;
-  const execute = graphql.graphql || require('graphql').graphql;
-
-  return {
-    open: (ws, req) => {
-      ws.req = req;
-      ws.operations = {};
-      ws.opId = 1;
-    },
-    message: async (ws, message) => {
-      const { type, payload = {}, id: reqOpId } = JSON.parse(Buffer.from(message).toString('utf8'));
-      let opId;
-      if (reqOpId) {
-        opId = reqOpId;
-      } else {
-        opId = ws.opId++;
-      }
-
-      const params = {
-        schema,
-        source: payload.query,
-        variableValues: payload.variables,
-        operationName: payload.operationName,
-        contextValue: {
-          ws,
-          ...(graphqlOptions &&
-            (graphqlOptions.contextValue ||
-              (graphqlOptions.contextFxn && (await graphqlOptions.contextFxn(ws)))))
-        },
-        ...graphqlOptions
-      };
-
-      switch (type) {
-        case GQL_START:
-          stopGqsSubscription(ws.operations, opId);
-
-          // eslint-disable-next-line no-case-declarations
-          let asyncIterable = await subscribe(
-            params.schema,
-            graphql.parse(params.source),
-            params.rootValue,
-            params.contextValue,
-            params.variableValues,
-            params.operationName
-          );
-          asyncIterable = isAsyncIterable(asyncIterable)
-            ? asyncIterable
-            : createAsyncIterator([asyncIterable]);
-
-          forAwaitEach(asyncIterable, result =>
-            ws.send(
-              JSON.stringify({
-                id: opId,
-                type: GQL_DATA,
-                payload: result
-              })
-            )
-          );
-          break;
-
-        case GQL_STOP:
-          stopGqsSubscription(ws.operations, reqOpId);
-          break;
-
-        default:
-          ws.send(JSON.stringify({ payload: await execute(params), type: GQL_QUERY, id: opId }));
-          break;
-      }
-    },
-    idleTimeout: 24 * 60 * 60,
-    ...uwsOptions
-  };
-}
-
-export { graphqlPost, graphqlWs };
diff --git a/back/src/Server/server/livereload.ts b/back/src/Server/server/livereload.ts
deleted file mode 100644
index 787c871b..00000000
--- a/back/src/Server/server/livereload.ts
+++ /dev/null
@@ -1,35 +0,0 @@
-import { WebSocketBehavior, WebSocket } from 'uWebSockets.js';
-
-const websockets = {};
-let id = 0;
-
-const wsConfig: WebSocketBehavior = {
-  open: (ws: WebSocket & { id: number }, req) => {
-    websockets[id] = {
-      dirty: false
-    };
-    ws.id = id;
-    console.log('websocket connected: ', id);
-    id++;
-  },
-  message: ws => {
-    ws.send(JSON.stringify(websockets[ws.id].dirty));
-    websockets[ws.id].dirty = false;
-  },
-  close: (ws, code, message) => {
-    delete websockets[ws.id];
-    console.log(
-      `websocket disconnected with code ${code} and message ${message}:`,
-      ws.id,
-      websockets
-    );
-  }
-};
-
-const sendSignal = (type: string, path: string) => {
-  console.log(type, 'signal for file: ', path);
-  for (let i in websockets) websockets[i].dirty = true;
-};
-
-export default { websockets, wsConfig, sendSignal };
-export { websockets, wsConfig, sendSignal };
diff --git a/back/src/Server/server/livereloadjs.js b/back/src/Server/server/livereloadjs.js
deleted file mode 100644
index 04839578..00000000
--- a/back/src/Server/server/livereloadjs.js
+++ /dev/null
@@ -1,47 +0,0 @@
-const loc = window.location;
-let path;
-if (loc.protocol === 'https:') {
-  path = 'wss:';
-} else {
-  path = 'ws:';
-}
-path += '//' + loc.host + '/__sifrrLiveReload';
-
-let ws,
-  ttr = 500,
-  timeout;
-
-function newWsConnection() {
-  ws = new WebSocket(path);
-  ws.onopen = function() {
-    ttr = 500;
-    checkMessage();
-    console.log('watching for file changes through sifrr-server livereload mode.');
-  };
-  ws.onmessage = function(event) {
-    if (JSON.parse(event.data)) {
-      console.log('Files changed, refreshing page.');
-      location.reload();
-    }
-  };
-  ws.onerror = e => {
-    console.error('Webosocket error: ', e);
-    console.log('Retrying after ', ttr / 4, 'ms');
-    ttr *= 4;
-  };
-  ws.onclose = e => {
-    console.error(`Webosocket closed with code \${e.code} error \${e.message}`);
-  };
-}
-
-function checkMessage() {
-  if (!ws) return;
-  if (ws.readyState === WebSocket.OPEN) ws.send('');
-  else if (ws.readyState === WebSocket.CLOSED) newWsConnection();
-
-  if (timeout) clearTimeout(timeout);
-  timeout = setTimeout(checkMessage, ttr);
-}
-
-newWsConnection();
-setTimeout(checkMessage, ttr);
diff --git a/back/src/Server/server/loadroutes.ts b/back/src/Server/server/loadroutes.ts
deleted file mode 100644
index 3761d762..00000000
--- a/back/src/Server/server/loadroutes.ts
+++ /dev/null
@@ -1,42 +0,0 @@
-import { statSync, readdirSync } from 'fs';
-import { join, extname } from 'path';
-
-function loadRoutes(dir, { filter = () => true, basePath = '' } = {}) {
-  let files;
-  const paths = [];
-
-  if (statSync(dir).isDirectory()) {
-    files = readdirSync(dir)
-      .filter(filter)
-      .map(file => join(dir, file));
-  } else {
-    files = [dir];
-  }
-
-  files.forEach(file => {
-    if (statSync(file).isDirectory()) {
-      // Recursive if directory
-      paths.push(...loadRoutes.call(this, file, { filter, basePath }));
-    } else if (extname(file) === '.js') {
-      const routes = require(file);
-      let basePaths = routes.basePath || [''];
-      delete routes.basePath;
-      if (typeof basePaths === 'string') basePaths = [basePaths];
-
-      basePaths.forEach(basep => {
-        for (const method in routes) {
-          const methodRoutes = routes[method];
-          for (let r in methodRoutes) {
-            if (!Array.isArray(methodRoutes[r])) methodRoutes[r] = [methodRoutes[r]];
-            this[method](basePath + basep + r, ...methodRoutes[r]);
-            paths.push(basePath + basep + r);
-          }
-        }
-      });
-    }
-  });
-
-  return paths;
-}
-
-export default loadRoutes;
diff --git a/back/src/Server/server/mime.ts b/back/src/Server/server/mime.ts
deleted file mode 100644
index 396073cc..00000000
--- a/back/src/Server/server/mime.ts
+++ /dev/null
@@ -1,176 +0,0 @@
-const mimes = {
-  '3gp': 'video/3gpp',
-  a: 'application/octet-stream',
-  ai: 'application/postscript',
-  aif: 'audio/x-aiff',
-  aiff: 'audio/x-aiff',
-  asc: 'application/pgp-signature',
-  asf: 'video/x-ms-asf',
-  asm: 'text/x-asm',
-  asx: 'video/x-ms-asf',
-  atom: 'application/atom+xml',
-  au: 'audio/basic',
-  avi: 'video/x-msvideo',
-  bat: 'application/x-msdownload',
-  bin: 'application/octet-stream',
-  bmp: 'image/bmp',
-  bz2: 'application/x-bzip2',
-  c: 'text/x-c',
-  cab: 'application/vnd.ms-cab-compressed',
-  cc: 'text/x-c',
-  chm: 'application/vnd.ms-htmlhelp',
-  class: 'application/octet-stream',
-  com: 'application/x-msdownload',
-  conf: 'text/plain',
-  cpp: 'text/x-c',
-  crt: 'application/x-x509-ca-cert',
-  css: 'text/css',
-  csv: 'text/csv',
-  cxx: 'text/x-c',
-  deb: 'application/x-debian-package',
-  der: 'application/x-x509-ca-cert',
-  diff: 'text/x-diff',
-  djv: 'image/vnd.djvu',
-  djvu: 'image/vnd.djvu',
-  dll: 'application/x-msdownload',
-  dmg: 'application/octet-stream',
-  doc: 'application/msword',
-  dot: 'application/msword',
-  dtd: 'application/xml-dtd',
-  dvi: 'application/x-dvi',
-  ear: 'application/java-archive',
-  eml: 'message/rfc822',
-  eps: 'application/postscript',
-  exe: 'application/x-msdownload',
-  f: 'text/x-fortran',
-  f77: 'text/x-fortran',
-  f90: 'text/x-fortran',
-  flv: 'video/x-flv',
-  for: 'text/x-fortran',
-  gem: 'application/octet-stream',
-  gemspec: 'text/x-script.ruby',
-  gif: 'image/gif',
-  gz: 'application/x-gzip',
-  h: 'text/x-c',
-  hh: 'text/x-c',
-  htm: 'text/html',
-  html: 'text/html',
-  ico: 'image/vnd.microsoft.icon',
-  ics: 'text/calendar',
-  ifb: 'text/calendar',
-  iso: 'application/octet-stream',
-  jar: 'application/java-archive',
-  java: 'text/x-java-source',
-  jnlp: 'application/x-java-jnlp-file',
-  jpeg: 'image/jpeg',
-  jpg: 'image/jpeg',
-  js: 'application/javascript',
-  json: 'application/json',
-  log: 'text/plain',
-  m3u: 'audio/x-mpegurl',
-  m4v: 'video/mp4',
-  man: 'text/troff',
-  mathml: 'application/mathml+xml',
-  mbox: 'application/mbox',
-  mdoc: 'text/troff',
-  me: 'text/troff',
-  mid: 'audio/midi',
-  midi: 'audio/midi',
-  mime: 'message/rfc822',
-  mjs: 'application/javascript',
-  mml: 'application/mathml+xml',
-  mng: 'video/x-mng',
-  mov: 'video/quicktime',
-  mp3: 'audio/mpeg',
-  mp4: 'video/mp4',
-  mp4v: 'video/mp4',
-  mpeg: 'video/mpeg',
-  mpg: 'video/mpeg',
-  ms: 'text/troff',
-  msi: 'application/x-msdownload',
-  odp: 'application/vnd.oasis.opendocument.presentation',
-  ods: 'application/vnd.oasis.opendocument.spreadsheet',
-  odt: 'application/vnd.oasis.opendocument.text',
-  ogg: 'application/ogg',
-  p: 'text/x-pascal',
-  pas: 'text/x-pascal',
-  pbm: 'image/x-portable-bitmap',
-  pdf: 'application/pdf',
-  pem: 'application/x-x509-ca-cert',
-  pgm: 'image/x-portable-graymap',
-  pgp: 'application/pgp-encrypted',
-  pkg: 'application/octet-stream',
-  pl: 'text/x-script.perl',
-  pm: 'text/x-script.perl-module',
-  png: 'image/png',
-  pnm: 'image/x-portable-anymap',
-  ppm: 'image/x-portable-pixmap',
-  pps: 'application/vnd.ms-powerpoint',
-  ppt: 'application/vnd.ms-powerpoint',
-  ps: 'application/postscript',
-  psd: 'image/vnd.adobe.photoshop',
-  py: 'text/x-script.python',
-  qt: 'video/quicktime',
-  ra: 'audio/x-pn-realaudio',
-  rake: 'text/x-script.ruby',
-  ram: 'audio/x-pn-realaudio',
-  rar: 'application/x-rar-compressed',
-  rb: 'text/x-script.ruby',
-  rdf: 'application/rdf+xml',
-  roff: 'text/troff',
-  rpm: 'application/x-redhat-package-manager',
-  rss: 'application/rss+xml',
-  rtf: 'application/rtf',
-  ru: 'text/x-script.ruby',
-  s: 'text/x-asm',
-  sgm: 'text/sgml',
-  sgml: 'text/sgml',
-  sh: 'application/x-sh',
-  sig: 'application/pgp-signature',
-  snd: 'audio/basic',
-  so: 'application/octet-stream',
-  svg: 'image/svg+xml',
-  svgz: 'image/svg+xml',
-  swf: 'application/x-shockwave-flash',
-  t: 'text/troff',
-  tar: 'application/x-tar',
-  tbz: 'application/x-bzip-compressed-tar',
-  tcl: 'application/x-tcl',
-  tex: 'application/x-tex',
-  texi: 'application/x-texinfo',
-  texinfo: 'application/x-texinfo',
-  text: 'text/plain',
-  tif: 'image/tiff',
-  tiff: 'image/tiff',
-  torrent: 'application/x-bittorrent',
-  tr: 'text/troff',
-  txt: 'text/plain',
-  vcf: 'text/x-vcard',
-  vcs: 'text/x-vcalendar',
-  vrml: 'model/vrml',
-  war: 'application/java-archive',
-  wav: 'audio/x-wav',
-  wma: 'audio/x-ms-wma',
-  wmv: 'video/x-ms-wmv',
-  wmx: 'video/x-ms-wmx',
-  wrl: 'model/vrml',
-  wsdl: 'application/wsdl+xml',
-  xbm: 'image/x-xbitmap',
-  xhtml: 'application/xhtml+xml',
-  xls: 'application/vnd.ms-excel',
-  xml: 'application/xml',
-  xpm: 'image/x-xpixmap',
-  xsl: 'application/xml',
-  xslt: 'application/xslt+xml',
-  yaml: 'text/yaml',
-  yml: 'text/yaml',
-  zip: 'application/zip',
-  default: 'text/html'
-};
-
-const getMime = (path: string): string => {
-  const i = path.lastIndexOf('.');
-  return mimes[path.substr(i + 1).toLowerCase()] || mimes['default'];
-};
-
-export { getMime, mimes };
diff --git a/back/src/Server/server/sendfile.ts b/back/src/Server/server/sendfile.ts
deleted file mode 100644
index 8310c4a7..00000000
--- a/back/src/Server/server/sendfile.ts
+++ /dev/null
@@ -1,172 +0,0 @@
-import { watch, statSync, createReadStream } from 'fs';
-import { createBrotliCompress, createGzip, createDeflate } from 'zlib';
-const watchedPaths = new Set();
-
-const compressions = {
-  br: createBrotliCompress,
-  gzip: createGzip,
-  deflate: createDeflate
-};
-import { writeHeaders } from './utils';
-import { getMime } from './mime';
-const bytes = 'bytes=';
-import { stob } from './utils';
-import { sendSignal } from './livereload';
-import { SendFileOptions } from './types';
-import { HttpResponse, HttpRequest } from 'uWebSockets.js';
-
-function sendFile(res: HttpResponse, req: HttpRequest, path: string, options: SendFileOptions) {
-  if (options && options.livereload && !watchedPaths.has(path)) {
-    watchedPaths.add(path);
-    watch(path, sendSignal);
-  }
-
-  sendFileToRes(
-    res,
-    {
-      'if-modified-since': req.getHeader('if-modified-since'),
-      range: req.getHeader('range'),
-      'accept-encoding': req.getHeader('accept-encoding')
-    },
-    path,
-    options
-  );
-}
-
-function sendFileToRes(
-  res: HttpResponse,
-  reqHeaders: { [name: string]: string },
-  path: string,
-  {
-    lastModified = true,
-    headers = {},
-    compress = false,
-    compressionOptions = {
-      priority: ['gzip', 'br', 'deflate']
-    },
-    cache = false
-  }: { cache: any } & any = {}
-) {
-  let { mtime, size } = statSync(path);
-  mtime.setMilliseconds(0);
-  const mtimeutc = mtime.toUTCString();
-
-  headers = Object.assign({}, headers);
-  // handling last modified
-  if (lastModified) {
-    // Return 304 if last-modified
-    if (reqHeaders['if-modified-since']) {
-      if (new Date(reqHeaders['if-modified-since']) >= mtime) {
-        res.writeStatus('304 Not Modified');
-        return res.end();
-      }
-    }
-    headers['last-modified'] = mtimeutc;
-  }
-  headers['content-type'] = getMime(path);
-
-  // write data
-  let start = 0,
-    end = size - 1;
-
-  if (reqHeaders.range) {
-    compress = false;
-    const parts = reqHeaders.range.replace(bytes, '').split('-');
-    start = parseInt(parts[0], 10);
-    end = parts[1] ? parseInt(parts[1], 10) : end;
-    headers['accept-ranges'] = 'bytes';
-    headers['content-range'] = `bytes ${start}-${end}/${size}`;
-    size = end - start + 1;
-    res.writeStatus('206 Partial Content');
-  }
-
-  // for size = 0
-  if (end < 0) end = 0;
-
-  let readStream = createReadStream(path, { start, end });
-  // Compression;
-  let compressed: boolean | string = false;
-  if (compress) {
-    const l = compressionOptions.priority.length;
-    for (let i = 0; i < l; i++) {
-      const type = compressionOptions.priority[i];
-      if (reqHeaders['accept-encoding'].indexOf(type) > -1) {
-        compressed = type;
-        const compressor = compressions[type](compressionOptions);
-        readStream.pipe(compressor);
-        readStream = compressor;
-        headers['content-encoding'] = compressionOptions.priority[i];
-        break;
-      }
-    }
-  }
-
-  res.onAborted(() => readStream.destroy());
-  writeHeaders(res, headers);
-  // check cache
-  if (cache) {
-    return cache.wrap(
-      `${path}_${mtimeutc}_${start}_${end}_${compressed}`,
-      cb => {
-        stob(readStream)
-          .then(b => cb(null, b))
-          .catch(cb);
-      },
-      { ttl: 0 },
-      (err, buffer) => {
-        if (err) {
-          res.writeStatus('500 Internal server error');
-          res.end();
-          throw err;
-        }
-        res.end(buffer);
-      }
-    );
-  } else if (compressed) {
-    readStream.on('data', buffer => {
-      res.write(buffer.buffer.slice(buffer.byteOffset, buffer.byteOffset + buffer.byteLength));
-    });
-  } else {
-    readStream.on('data', buffer => {
-      const chunk = buffer.buffer.slice(buffer.byteOffset, buffer.byteOffset + buffer.byteLength),
-        lastOffset = res.getWriteOffset();
-
-      // First try
-      const [ok, done] = res.tryEnd(chunk, size);
-
-      if (done) {
-        readStream.destroy();
-      } else if (!ok) {
-        // pause because backpressure
-        readStream.pause();
-
-        // Save unsent chunk for later
-        res.ab = chunk;
-        res.abOffset = lastOffset;
-
-        // Register async handlers for drainage
-        res.onWritable(offset => {
-          const [ok, done] = res.tryEnd(res.ab.slice(offset - res.abOffset), size);
-          if (done) {
-            readStream.destroy();
-          } else if (ok) {
-            readStream.resume();
-          }
-          return ok;
-        });
-      }
-    });
-  }
-  readStream
-    .on('error', e => {
-      res.writeStatus('500 Internal server error');
-      res.end();
-      readStream.destroy();
-      throw e;
-    })
-    .on('end', () => {
-      res.end();
-    });
-}
-
-export default sendFile;
diff --git a/back/src/Server/server/types.ts b/back/src/Server/server/types.ts
index 09916b5f..3d0f48c7 100644
--- a/back/src/Server/server/types.ts
+++ b/back/src/Server/server/types.ts
@@ -6,21 +6,6 @@ export type UwsApp = {
   prototype: TemplatedApp;
 };
 
-export type SendFileOptions = {
-  failOnDuplicateRoute?: boolean;
-  overwriteRoute?: boolean;
-  watch?: boolean;
-  filter?: (path: string) => boolean;
-  livereload?: boolean;
-  lastModified?: boolean;
-  headers?: { [name: string]: string };
-  compress?: boolean;
-  compressionOptions?: {
-    priority?: 'gzip' | 'br' | 'deflate';
-  };
-  cache?: boolean;
-};
-
 export type Handler = (res: HttpResponse, req: HttpRequest) => void;
 
 export {};
diff --git a/back/src/Server/server/utils.ts b/back/src/Server/server/utils.ts
index 8f6db886..f7f3e4b5 100644
--- a/back/src/Server/server/utils.ts
+++ b/back/src/Server/server/utils.ts
@@ -1,21 +1,6 @@
-import { HttpResponse } from 'uWebSockets.js';
 import { ReadStream } from 'fs';
 
-function writeHeaders(
-  res: HttpResponse,
-  headers: { [name: string]: string } | string,
-  other?: string
-) {
-  if (typeof headers === 'string') {
-    res.writeHeader(headers, other.toString());
-  } else {
-    for (const n in headers) {
-      res.writeHeader(n, headers[n].toString());
-    }
-  }
-}
-
-function extend(who: object, from: object, overwrite = true) {
+function extend(who: any, from: any, overwrite = true) {
   const ownProps = Object.getOwnPropertyNames(Object.getPrototypeOf(from)).concat(
     Object.keys(from)
   );
@@ -31,7 +16,7 @@ function extend(who: object, from: object, overwrite = true) {
 
 function stob(stream: ReadStream): Promise<Buffer> {
   return new Promise(resolve => {
-    const buffers = [];
+    const buffers: Buffer[] = [];
     stream.on('data', buffers.push.bind(buffers));
 
     stream.on('end', () => {
@@ -49,4 +34,4 @@ function stob(stream: ReadStream): Promise<Buffer> {
   });
 }
 
-export { writeHeaders, extend, stob };
+export { extend, stob };
diff --git a/back/src/Server/sifrr.server.ts b/back/src/Server/sifrr.server.ts
index 9a274378..47fba02c 100644
--- a/back/src/Server/sifrr.server.ts
+++ b/back/src/Server/sifrr.server.ts
@@ -2,29 +2,18 @@ import { parse } from 'query-string';
 import { HttpRequest } from 'uWebSockets.js';
 import App from './server/app';
 import SSLApp from './server/sslapp';
-import { mimes, getMime } from './server/mime';
-import { writeHeaders } from './server/utils';
-import sendFile from './server/sendfile';
-import Cluster from './server/cluster';
-import livereload from './server/livereload';
 import * as types from './server/types';
 
 const getQuery = (req: HttpRequest) => {
   return parse(req.getQuery());
 };
 
-export { App, SSLApp, mimes, getMime, writeHeaders, sendFile, Cluster, livereload, getQuery };
+export { App, SSLApp, getQuery };
 export * from './server/types';
 
 export default {
   App,
   SSLApp,
-  mimes,
-  getMime,
-  writeHeaders,
-  sendFile,
-  Cluster,
-  livereload,
   getQuery,
   ...types
 };