diff --git a/app/javascript/src/javascripts/comments.js b/app/javascript/src/javascripts/comments.js
index 2637b6f03..9347e24b7 100644
--- a/app/javascript/src/javascripts/comments.js
+++ b/app/javascript/src/javascripts/comments.js
@@ -8,7 +8,6 @@ Comment.initialize_all = function() {
     $(document).on("click", ".reply-link", Comment.quote);
     $(document).on("click", ".edit_comment_link", Comment.show_edit_form);
     $(document).on("click", ".expand-comment-response", Comment.show_new_comment_form);
-    this.initialize_expand_links();
   }
 
   $(window).on("danbooru:index_for_post", (_event, post_id, current_comment_section) => {
@@ -36,16 +35,6 @@ Comment.quote = function(e) {
   e.preventDefault();
 }
 
-Comment.initialize_expand_links = function() {
-  $(".comment-section form").hide();
-  $(".comment-section input.expand-comment-response").click(function(e) {
-    var post_id = $(this).closest(".comment-section").data("post-id");
-    $(this).hide();
-    $(".comment-section[data-post-id=" + post_id + "] form").slideDown("fast");
-    e.preventDefault();
-  });
-}
-
 Comment.show_new_comment_form = function(e) {
   $(e.target).hide();
   var $form = $(e.target).closest("div.new-comment").find("form");
@@ -59,17 +48,6 @@ Comment.show_edit_form = function(e) {
   e.preventDefault();
 }
 
-Comment.hide_threshold_comments = function(post_id) {
-  var threshold = parseInt(Utility.meta("user-comment-threshold"));
-  var articles = $("article.comment[data-post-id=" + post_id + "]");
-  articles.each(function(i, v) {
-    var $comment = $(v);
-    if (parseInt($comment.data("score")) < threshold) {
-      $comment.hide();
-    }
-  });
-}
-
 $(document).ready(function() {
   Comment.initialize_all();
 });