diff --git a/js/main.js b/js/main.js
index 997701f5..fd2fe758 100644
--- a/js/main.js
+++ b/js/main.js
@@ -463,18 +463,6 @@ new ResizeObserver(updateCssProperties).observe(document.querySelector("#chat-in
 // Handle changes in window size
 window.addEventListener("resize", updateCssProperties);
 
-//------------------------------------------------
-// Keep track of the display width to position the past
-// chats dropdown on desktop
-//------------------------------------------------
-function updateDocumentWidth() {
-  var updatedWidth = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;
-  document.documentElement.style.setProperty("--document-width", updatedWidth + "px");
-}
-
-updateDocumentWidth();
-window.addEventListener("resize", updateDocumentWidth);
-
 //------------------------------------------------
 // Focus on the rename text area when it becomes visible
 //------------------------------------------------