diff --git a/app/javascript/src/javascripts/posts.js.erb b/app/javascript/src/javascripts/posts.js.erb
index bd176f56c..14ccc3f23 100644
--- a/app/javascript/src/javascripts/posts.js.erb
+++ b/app/javascript/src/javascripts/posts.js.erb
@@ -30,7 +30,6 @@ Post.initialize_all = function() {
     this.initialize_post_sections();
     this.initialize_post_image_resize_links();
     this.initialize_post_image_resize_to_window_link();
-    this.initialize_similar();
 
     if (CurrentUser.data("always-resize-images") || (Utility.meta("viewport") && (window.screen.width <= 660))) {
       $("#image-resize-to-window-link").click();
@@ -171,13 +170,6 @@ Post.close_edit_dialog = function(e, ui) {
   $(document).trigger("danbooru:close-post-edit-dialog");
 }
 
-Post.initialize_similar = function() {
-  $("#similar-button").on("click.danbooru", function(e) {
-    $.get("/iqdb_queries", {"url": $("#post_source").val()}).done(function(html) {$("#iqdb-similar").html(html).show()});
-    e.preventDefault();
-  });
-}
-
 Post.swipe_prev = function(e) {
   if ($(".paginator a[rel~=prev]").length) {
     location.href = $("a[rel~=prev]").attr("href");
diff --git a/app/views/posts/partials/show/_edit.html.erb b/app/views/posts/partials/show/_edit.html.erb
index 12aa32a95..6c066f890 100644
--- a/app/views/posts/partials/show/_edit.html.erb
+++ b/app/views/posts/partials/show/_edit.html.erb
@@ -62,21 +62,14 @@
 
   <div class="input">
     <%= f.label :parent_id, "Parent" %>
-    <%= f.text_field :parent_id, :size => 5 %>
+    <%= f.text_field :parent_id, size: 60 %>
   </div>
 
   <div class="input">
     <%= f.label :source %>
-    <%= f.text_field :source %>
-    <%= button_tag "Similar", :id => "similar-button", :type => "button", :class => "ui-button ui-widget ui-corner-all sub" %>
+    <%= f.text_field :source, size: 60 %>
   </div>
 
-  <% if Danbooru.config.iqdbs_server %>
-    <div class="input" id="iqdb-similar" style="display: none;"></div>
-  <% end %>
-
-
-
   <div class="input fixed-width-container" id="tags-container">
     <div class="header">
       <%= f.label :tag_string, "Tags" %>