diff --git a/app/assets/javascripts/discourse/helpers/custom-html.js.es6 b/app/assets/javascripts/discourse/helpers/custom-html.js.es6
index 1728963bf..42155096d 100644
--- a/app/assets/javascripts/discourse/helpers/custom-html.js.es6
+++ b/app/assets/javascripts/discourse/helpers/custom-html.js.es6
@@ -1,7 +1,5 @@
-import { getCustomHTML } from 'discourse/lib/html';
-
 Handlebars.registerHelper('custom-html', function(name, contextString, options) {
-  var html = getCustomHTML(name);
+  var html = Discourse.HTML.getCustomHTML(name);
   if (html) { return html; }
 
   var container = (options || contextString).data.view.container;
diff --git a/app/assets/javascripts/discourse/lib/html.js b/app/assets/javascripts/discourse/lib/html.js
new file mode 100644
index 000000000..ccb807d6a
--- /dev/null
+++ b/app/assets/javascripts/discourse/lib/html.js
@@ -0,0 +1,28 @@
+var customizations = {};
+
+Discourse.HTML = {
+
+  /**
+    Return a custom fragment of HTML by key. It can be registered via a plugin
+    using `setCustomHTML(key, html)`. This is used by a handlebars helper to find
+    the HTML content it wants. It will also check the `PreloadStore` for any server
+    side preloaded HTML.
+  **/
+  getCustomHTML: function(key) {
+    var c = customizations[key];
+    if (c) {
+      return new Handlebars.SafeString(c);
+    }
+
+    var html = PreloadStore.get("customHTML");
+    if (html && html[key] && html[key].length) {
+      return new Handlebars.SafeString(html[key]);
+    }
+  },
+
+  // Set a fragment of HTML by key. It can then be looked up with `getCustomHTML(key)`.
+  setCustomHTML: function(key, html) {
+    customizations[key] = html;
+  }
+
+};
diff --git a/app/assets/javascripts/discourse/lib/html.js.es6 b/app/assets/javascripts/discourse/lib/html.js.es6
deleted file mode 100644
index f839b5ea5..000000000
--- a/app/assets/javascripts/discourse/lib/html.js.es6
+++ /dev/null
@@ -1,32 +0,0 @@
-var _customizations = {};
-
-/**
-  Return a custom fragment of HTML by key. It can be registered via a plugin
-  using `setCustomHTML(key, html)`. This is used by a handlebars helper to find
-  the HTML content it wants. It will also check the `PreloadStore` for any server
-  side preloaded HTML.
-**/
-export function getCustomHTML(key) {
-  var c = _customizations[key];
-  if (c) {
-    return new Handlebars.SafeString(c);
-  }
-
-  var html = PreloadStore.get("customHTML");
-  if (html && html[key] && html[key].length) {
-    return new Handlebars.SafeString(html[key]);
-  }
-}
-
-// Set a fragment of HTML by key. It can then be looked up with `getCustomHTML(key)`.
-export function setCustomHTML(key, html) {
-  _customizations[key] = html;
-}
-
-var HTML = {
-  getCustomHTML: getCustomHTML,
-  setCustomHTML: setCustomHTML
-};
-
-Discourse.HTML = HTML;
-export default HTML;
diff --git a/test/javascripts/lib/html-test.js.es6 b/test/javascripts/lib/html-test.js.es6
index 835b3f1e6..07ef2906a 100644
--- a/test/javascripts/lib/html-test.js.es6
+++ b/test/javascripts/lib/html-test.js.es6
@@ -1,13 +1,14 @@
 module("Discourse.HTML");
 
-import { getCustomHTML, setCustomHTML } from 'discourse/lib/html';
+var html = Discourse.HTML;
 
 test("customHTML", function() {
-  blank(getCustomHTML('evil'), "there is no custom HTML for a key by default");
+  blank(html.getCustomHTML('evil'), "there is no custom HTML for a key by default");
 
-  setCustomHTML('evil', 'trout');
-  equal(getCustomHTML('evil'), 'trout', 'it retrieves the custom html');
+  html.setCustomHTML('evil', 'trout');
+  equal(html.getCustomHTML('evil'), 'trout', 'it retrieves the custom html');
 
   PreloadStore.store('customHTML', {cookie: 'monster'});
-  equal(getCustomHTML('cookie'), 'monster', 'it returns HTML fragments from the PreloadStore');
+  equal(html.getCustomHTML('cookie'), 'monster', 'it returns HTML fragments from the PreloadStore');
+
 });