diff --git a/app.js b/app.js
index f3f55ea..89a9489 100644
--- a/app.js
+++ b/app.js
@@ -256,7 +256,8 @@ function onMessageAdded(from, message, avatar) {
   $text.classList.add('message-text');
 
   // Render Markdown content
-  const markdownContent = marked(message);
+  const md = window.markdownit();
+  const markdownContent = md.render(message);
   $text.innerHTML = markdownContent;
 
   $content.appendChild($header);
@@ -265,13 +266,5 @@ function onMessageAdded(from, message, avatar) {
 
   document.querySelector('#messages').appendChild($div);
 }
-async function updateIcon(username, avatarBuffer) {
-  // Update the icon in the local HTML if necessary
-  // This can be adjusted as per your needs
-  const userIcon = document.querySelector(`img[src*="${username}.png"]`);
-  if (userIcon) {
-    userIcon.src = URL.createObjectURL(new Blob([avatarBuffer]));
-  }
-}
 
 initialize();