diff --git a/x-pack/legacy/plugins/upgrade_assistant/public/app.tsx b/x-pack/legacy/plugins/upgrade_assistant/public/app.tsx
deleted file mode 100644
index b8ba85f0257a2..0000000000000
--- a/x-pack/legacy/plugins/upgrade_assistant/public/app.tsx
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License;
- * you may not use this file except in compliance with the Elastic License.
- */
-
-import React from 'react';
-
-import { EuiPageHeader, EuiPageHeaderSection, EuiTitle } from '@elastic/eui';
-import { FormattedMessage } from '@kbn/i18n/react';
-
-import { NEXT_MAJOR_VERSION } from '../common/version';
-import { UpgradeAssistantTabs } from './components/tabs';
-
-export const RootComponent: React.FunctionComponent = () => (
-  <div data-test-subj="upgradeAssistantRoot">
-    <EuiPageHeader>
-      <EuiPageHeaderSection>
-        <EuiTitle size="l">
-          <h1>
-            <FormattedMessage
-              id="xpack.upgradeAssistant.appTitle"
-              defaultMessage="{version} Upgrade Assistant"
-              values={{ version: `${NEXT_MAJOR_VERSION}.0` }}
-            />
-          </h1>
-        </EuiTitle>
-      </EuiPageHeaderSection>
-    </EuiPageHeader>
-    <UpgradeAssistantTabs />
-  </div>
-);