diff --git a/lsscanner/new_ubuntu/index.html b/lsscanner/new_ubuntu/index.html
index 64a48fa..ad0a4ec 100755
--- a/lsscanner/new_ubuntu/index.html
+++ b/lsscanner/new_ubuntu/index.html
@@ -3,7 +3,7 @@
     <head>
       <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/materialize/1.0.0-beta/css/materialize.min.css">
       <meta charset="UTF-8">
-      <title>Student counter</title>
+      <title>Studenci</title>
     </head>
     <body>
       <nav>
diff --git a/public/js/custom.js b/public/js/custom.js
index 0162f8c..b57d77c 100644
--- a/public/js/custom.js
+++ b/public/js/custom.js
@@ -62,6 +62,12 @@ $(document).ready(function(){
     $('#group-select').on('change', function() {
         $(location).attr('href', $(this).val())
     });
+    const classes_code = $('#classes-code');
+    if(classes_code){
+        setTimeout(function(){
+            classes_code.remove()
+        }, 30000);
+    }
 
     function setSelectedOptionSortAttendances() {
         const orderBy = $('#orderBy-hidden').first().val();
diff --git a/public/js/map/seatchart.js b/public/js/map/seatchart.js
index ad95385..106244d 100644
--- a/public/js/map/seatchart.js
+++ b/public/js/map/seatchart.js
@@ -79,7 +79,6 @@ $(document).ready(function() {
                 parts_elements.splice(row_index, 1); // remove unnecessary slide from list
             }
         } else if(last_rows.length < 4) { // fill the last slide to 4 rows
-            console.log('im here');
             const diff = 4 - last_rows.length;
             for(var i=0; i<diff; i++) {
                 last_rows.push('_');
diff --git a/resources/views/map/start_map.blade.php b/resources/views/map/start_map.blade.php
index 73459af..abc0fcc 100644
--- a/resources/views/map/start_map.blade.php
+++ b/resources/views/map/start_map.blade.php
@@ -12,7 +12,7 @@
             <button type="button" class="checkout-button end-button add-mn-btn"> Dodaj studenta ręcznie</button>
         </div>
         <div id="refresh"></div>
-        <p class="code-p"><b>Kod:</b> <span id="classes_code_input">{{ $classes_code }}</span></p>
+        <p class="code-p" id="classes-code"><b>Kod:</b> <span id="classes_code_input">{{ $classes_code }}</span></p>
         <div class="code-p"> Stan połączenia z serwerem legitymacji: <span id="status" style="color:green"> połączony</span></div>
 
         <h1 class="main-text main-seat-text">Przyłóż legitymację do czytnika</h1>
