1 files changed, 1 insertions, 3 deletions
diff --git a/app/assets/javascripts/content_editor/extensions/horizontal_rule.js b/app/assets/javascripts/content_editor/extensions/horizontal_rule.js
index c287938af5c..c8ec45d835c 100644
--- a/app/assets/javascripts/content_editor/extensions/horizontal_rule.js
+++ b/app/assets/javascripts/content_editor/extensions/horizontal_rule.js
@@ -1,12 +1,10 @@
 import { nodeInputRule } from '@tiptap/core';
 import { HorizontalRule } from '@tiptap/extension-horizontal-rule';
-import { defaultMarkdownSerializer } from 'prosemirror-markdown/src/to_markdown';
 
 export const hrInputRuleRegExp = /^---$/;
 
-export const tiptapExtension = HorizontalRule.extend({
+export default HorizontalRule.extend({
   addInputRules() {
     return [nodeInputRule(hrInputRuleRegExp, this.type)];
   },
 });
-export const serializer = defaultMarkdownSerializer.nodes.horizontal_rule;