diff --git a/README.md b/README.md
index 78c728d..366d01e 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 # skrytka.app
 ![Badge z licencją AGPL-3.0](https://img.shields.io/badge/License-AGPL--3.0-9cf)
 
+**Be aware that this app is not stable yet and new commits may introduce breaking changes**
+
 To start this application you need to:
 1. Configure database
     - Install PostgreSQL DBMS
diff --git a/app.js b/app.js
index b56acbc..a9a6002 100644
--- a/app.js
+++ b/app.js
@@ -66,29 +66,8 @@ app.use(session({
 	}
 }));
 
-console.log(process.env.DB_NAME);
-
-let latencies = [0];
-const MAX_LATENCIES = 25;
-
-app.use(responseTime(function(req, res, time) {
-	if(latencies.length > MAX_LATENCIES) {
-		latencies.shift();
-	}
-	latencies.push(time);
-}));
-
 app.use(express.json());
 
-app.get('/ping', (req, res) => {
-	let latenciesSum = 0;
-	latencies.forEach(l => latenciesSum += l);
-	const avgLatency = latenciesSum / latencies.length;
-
-	res.status(200);
-	res.send(`Pong! (average latency: ${avgLatency}ms)`);
-});
-
 /* Getting OSP units of provided prefix
  * e.g. https://skrytka.app/osp-units?prefix=Gda
  * Returns 3 matching results sorted by locality, name.*/
@@ -514,7 +493,7 @@ app.post('/quiz-results', async (req, res) => {
 		return;
 	}
 
-	if(points <= 0 || points >= 10) {
+	if(points < 0 || points > 10) {
 		res.status(400);
 		res.json({
 			fieldErrors: {
@@ -525,10 +504,6 @@ app.post('/quiz-results', async (req, res) => {
 		return;
 	}
 
-	// TODO: Zapis do sesji lub do bazy
-	console.log('Zapis', req.body);
-
-	
 	if(!req.session.accountNickname) {
 		// Zapis do sesji
 		if(!req.session.quizResults) {
@@ -559,52 +534,6 @@ app.post('/quiz-results', async (req, res) => {
 	res.sendStatus(204);
 });
 
-// TESTY CIASTECZEK:
-/* app.get('/cookieaddone', (req, res) => {
-	req.session.counter = (req.session.counter || 0) + 1
-	res.status(200);
-	res.send('Added!');
-});
-
-app.get('/cookiegetvalue', (req, res) => {
-	const val = req.session.counter || 0;
-	res.status(200);
-	res.send(`Value: ${val}`);
-}); */
-
-// TODO: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-// CAUTION: Only for testing purposes! Should be deleted ASAP when not needed anymore.
-app.get('/simulate-login', (req, res) => {
-	const nickToAuth = req.query.nickname;
-
-	if(!nickToAuth) {
-		res.status(400);
-		res.send('You must pass nickname as query parameter to simulate login');
-		return;
-	}
-
-	req.session.accountNickname = nickToAuth;
-	res.status(200);
-	res.send(`Logged in as ${nickToAuth}`);
-});
-
-app.get('/simulate-logout', (req, res) => {
-	if(!req.session.accountNickname) {
-		res.status(401);
-		res.json({
-			fieldErrors: {},
-			otherErrors: [
-				'Użytkownik nie jest zalogowany!'
-			]
-		});
-		return;
-	}
-
-	req.session.destroy();
-	res.status(200);
-	res.send(`Logged out!`);
-});
-
 // This should remain at the end of all routes
 // It will direct every not matched route to index.html file
 app.get('/*', function (req, res) {