diff --git a/app/views/layouts/default.html.erb b/app/views/layouts/default.html.erb
index 0cf6d38af..5ef5c99b9 100644
--- a/app/views/layouts/default.html.erb
+++ b/app/views/layouts/default.html.erb
@@ -71,20 +71,6 @@
   }
   </script>
   <script defer src="https://use.fontawesome.com/releases/v5.0.10/js/all.js" integrity="sha384-slN8GvtUJGnv6ca26v8EzVaR9DC58QEwsIk9q1QXdCU8Yu8ck/tL/5szYlBbqmS+" crossorigin="anonymous"></script>
-  <script>
-    if (typeof window.Danbooru !== "object") {
-      window.Danbooru = {};
-    }
-    window.Danbooru.notice = function(msg) {
-      console.warn("Danbooru.notice will be deprecated. Use $(window).trigger('danbooru:notice', msg) instead.")
-      $(window).trigger("danbooru:notice", msg);
-    }
-    window.Danbooru.error = function(msg) {
-      console.warn("Danbooru.error will be deprecated. Use $(window).trigger('danbooru:error', msg) instead.")
-      $(window).trigger("danbooru:error", msg);
-    }
-  </script>
-
 </head>
 <%= tag.body **body_attributes(CurrentUser.user) do %>
   <header id="top">