diff --git a/404.md b/404.md
deleted file mode 100644
index e21e09f..0000000
--- a/404.md
+++ /dev/null
@@ -1,70 +0,0 @@
-<html lang="en-us" dir="ltr" xmlns="http://www.w3.org/1999/xhtml">
-<head>
-    <meta charset="UTF-8" />
-    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
-    <meta name="viewport" content="width=device-width, initial-scale=1" />
-    <meta name="color-scheme" content="light dark" />
-    <link rel="shortcut icon" type="image/x-icon" href="https://wavelovers.ru/img/favicon.ico" />
-    <link rel="apple-touch-icon" sizes="180x180" href="https://wavelovers.ru/img/apple-touch-icon.png" />
-    <link rel="icon" type="image/png" sizes="32x32" href="https://wavelovers.ru/img/favicon-32x32.png" />
-    <link rel="icon" type="image/png" sizes="16x16" href="https://wavelovers.ru/img/favicon-16x16.png" />
-    <link rel="manifest" href="https://wavelovers.ru/site.webmanifest" />
-    <link rel="stylesheet" type="text/css" href="https://wavelovers.ru/css/styles.css" />
-
-    <style type="text/css">
-        div.markdown-body > h1, div.footer {
-            display: none;
-        }
-
-        @media only screen and (min-width: 360px) {
-            .px-3 {
-                padding-right: 0 !important;
-                padding-left: 0 !important;
-            }
-            .my-5 {
-                margin-top: 0 !important;
-                margin-bottom: 0 !important;
-            }
-        }
-    </style>
-
-    <!-- Global site tag (gtag.js) - Google Analytics -->
-    <script async src="https://www.googletagmanager.com/gtag/js?id=G-59FM5E4MVD"></script>
-    <script>
-        window.dataLayer = window.dataLayer || [];
-        function gtag() { dataLayer.push(arguments); }
-        gtag('js', new Date());
-
-        gtag('config', 'G-59FM5E4MVD');
-    </script>
-    <!-- Global site tag (gtag.js) - Google Analytics -->
-    <!-- Yandex.Metrika counter -->
-    <script type="text/javascript">
-        (function (m, e, t, r, i, k, a) {
-            m[i] = m[i] || function () { (m[i].a = m[i].a || []).push(arguments) };
-            m[i].l = 1 * new Date(); k = e.createElement(t), a = e.getElementsByTagName(t)[0], k.async = 1, k.src = r, a.parentNode.insertBefore(k, a)
-        })
-            (window, document, "script", "https://mc.yandex.ru/metrika/tag.js", "ym");
-
-        ym(89252711, "init", {
-            clickmap: true,
-            trackLinks: true,
-            accurateTrackBounce: true,
-            webvisor: true
-        });
-    </script>
-    <!-- /Yandex.Metrika counter -->
-</head>
-<body>
-    <section class="banner-container">
-        <div class="banner">
-            <h1>404</h1>
-            <span>File not found. Please, go to the </span><a href="https://wavelovers.ru/" target="_self">homepage</a><br />
-            <span>Contact info: </span><a href="https://twitter.com/eugene_serb/" target="_blank">@eugene_serb</a>
-        </div>
-    </section>
-    <script src="https://eugene-serb.github.io/js/scripts.js"></script>
-    <noscript><div><img src="https://mc.yandex.ru/watch/89252711" style="position:absolute; left:-9999px;" alt="" /></div></noscript>
-</body>
-</html>
-
diff --git a/public/404.md b/public/404.md
index e21e09f..804af90 100644
--- a/public/404.md
+++ b/public/404.md
@@ -60,10 +60,9 @@
         <div class="banner">
             <h1>404</h1>
             <span>File not found. Please, go to the </span><a href="https://wavelovers.ru/" target="_self">homepage</a><br />
-            <span>Contact info: </span><a href="https://twitter.com/eugene_serb/" target="_blank">@eugene_serb</a>
+            <span>Contact me </span><a href="https://t.me/eugene_serb/" target="_blank">@eugene_serb</a>
         </div>
     </section>
-    <script src="https://eugene-serb.github.io/js/scripts.js"></script>
     <noscript><div><img src="https://mc.yandex.ru/watch/89252711" style="position:absolute; left:-9999px;" alt="" /></div></noscript>
 </body>
 </html>
diff --git a/public/index.html b/public/index.html
index 9923a85..ffb2f3b 100644
--- a/public/index.html
+++ b/public/index.html
@@ -115,7 +115,6 @@
         </div>
     </footer>
 
-    <script src="https://eugene-serb.github.io/js/scripts.js"></script>
     <noscript><div><img src="https://mc.yandex.ru/watch/89252711" style="position:absolute; left:-9999px;" alt="" /></div></noscript>
 </body>
 </html>
diff --git a/public/sitemap-internal.xml b/public/sitemap-internal.xml
index e23d173..4b51d42 100644
--- a/public/sitemap-internal.xml
+++ b/public/sitemap-internal.xml
@@ -2,19 +2,19 @@
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
   <url>
     <loc>https://wavelovers.ru/</loc>
-    <lastmod>2022-07-01</lastmod>
+    <lastmod>2022-07-04</lastmod>
     <changefreq>weekly</changefreq>
     <priority>1.0</priority>
   </url>
   <url>
     <loc>https://wavelovers.ru/about.html</loc>
-    <lastmod>2022-07-01</lastmod>
+    <lastmod>2022-07-04</lastmod>
     <changefreq>weekly</changefreq>
     <priority>1.0</priority>
   </url>
   <url>
     <loc>https://wavelovers.ru/faq.html</loc>
-    <lastmod>2022-07-01</lastmod>
+    <lastmod>2022-07-04</lastmod>
     <changefreq>weekly</changefreq>
     <priority>1.0</priority>
   </url>
diff --git a/public/sitemap.xml b/public/sitemap.xml
index b9f794c..f816cf6 100644
--- a/public/sitemap.xml
+++ b/public/sitemap.xml
@@ -2,7 +2,7 @@
 <sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
   <sitemap>
     <loc>https://wavelovers.ru/sitemap-internal.xml</loc>
-    <lastmod>2022-07-01</lastmod>
+    <lastmod>2022-07-04</lastmod>
   </sitemap>
 </sitemapindex>
 
