diff --git a/plugins/catalog/src/components/EntityOrphanWarning/EntityOrphanWarning.test.tsx b/plugins/catalog/src/components/EntityOrphanWarning/EntityOrphanWarning.test.tsx
new file mode 100644
index 0000000000..5681a0e289
--- /dev/null
+++ b/plugins/catalog/src/components/EntityOrphanWarning/EntityOrphanWarning.test.tsx
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2020 Spotify AB
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { ApiProvider, ApiRegistry, ConfigReader } from '@backstage/core';
+import {
+ ScmIntegrationsApi,
+ scmIntegrationsApiRef,
+} from '@backstage/integration-react';
+import { EntityProvider } from '@backstage/plugin-catalog-react';
+import { renderInTestApp } from '@backstage/test-utils';
+import React from 'react';
+import { EntityOrphanWarning } from './EntityOrphanWarning';
+
+describe('', () => {
+ it('renders EntityOrphanWarning if the entity is orphan', async () => {
+ const entity = {
+ apiVersion: 'v1',
+ kind: 'Component',
+ metadata: {
+ name: 'software',
+ description: 'This is the description',
+ annotations: { 'backstage.io/orphan': 'true' },
+ },
+
+ spec: {
+ owner: 'guest',
+ type: 'service',
+ lifecycle: 'production',
+ },
+ };
+ const apis = ApiRegistry.with(
+ scmIntegrationsApiRef,
+ ScmIntegrationsApi.fromConfig(
+ new ConfigReader({
+ integrations: {},
+ }),
+ ),
+ );
+
+ const { getByText } = await renderInTestApp(
+
+
+
+
+ ,
+ );
+ expect(
+ getByText(
+ 'This entity is not referenced by any location and is therefore not receiving updates. Click here to unregister.',
+ ),
+ ).toBeInTheDocument();
+ });
+
+ it('does not render EntityOrphanWarning if the entity is not orphan', async () => {
+ const entity = {
+ apiVersion: 'v1',
+ kind: 'Component',
+ metadata: {
+ name: 'software',
+ description: 'This is the description',
+ },
+
+ spec: {
+ owner: 'guest',
+ type: 'service',
+ lifecycle: 'production',
+ },
+ };
+ const apis = ApiRegistry.with(
+ scmIntegrationsApiRef,
+ ScmIntegrationsApi.fromConfig(
+ new ConfigReader({
+ integrations: {},
+ }),
+ ),
+ );
+
+ const { queryByText } = await renderInTestApp(
+
+
+
+
+ ,
+ );
+ expect(
+ queryByText(
+ 'This entity is not referenced by any location and is therefore not receiving updates. Click here to unregister.',
+ ),
+ ).not.toBeInTheDocument();
+ });
+});
diff --git a/plugins/catalog/src/components/EntityOrphanWarning/EntityOrphanWarning.tsx b/plugins/catalog/src/components/EntityOrphanWarning/EntityOrphanWarning.tsx
new file mode 100644
index 0000000000..1215daeed1
--- /dev/null
+++ b/plugins/catalog/src/components/EntityOrphanWarning/EntityOrphanWarning.tsx
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2021 Spotify AB
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { useEntity } from '@backstage/plugin-catalog-react';
+import { Alert } from '@material-ui/lab';
+import React, { useState } from 'react';
+import { useNavigate } from 'react-router';
+import { UnregisterEntityDialog } from '../UnregisterEntityDialog/UnregisterEntityDialog';
+
+/**
+ * Displays a warning alert if the entity is marked as orphan with the ability to delete said entity.
+ */
+export const EntityOrphanWarning = () => {
+ const navigate = useNavigate();
+ const [confirmationDialogOpen, setConfirmationDialogOpen] = useState(false);
+
+ const { entity } = useEntity();
+ if (
+ !entity.metadata?.annotations ||
+ entity.metadata?.annotations['backstage.io/orphan'] !== 'true'
+ ) {
+ return null;
+ }
+
+ const cleanUpAfterRemoval = async () => {
+ setConfirmationDialogOpen(false);
+ navigate('/');
+ };
+
+ return (
+ <>
+ setConfirmationDialogOpen(true)}>
+ This entity is not referenced by any location and is therefore not
+ receiving updates. Click here to unregister.
+
+ setConfirmationDialogOpen(false)}
+ />
+ >
+ );
+};
diff --git a/plugins/catalog/src/components/EntityOrphanWarning/index.ts b/plugins/catalog/src/components/EntityOrphanWarning/index.ts
new file mode 100644
index 0000000000..b632e6ada9
--- /dev/null
+++ b/plugins/catalog/src/components/EntityOrphanWarning/index.ts
@@ -0,0 +1,17 @@
+/*
+ * Copyright 2021 Spotify AB
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export { EntityOrphanWarning } from './EntityOrphanWarning';
diff --git a/plugins/catalog/src/index.ts b/plugins/catalog/src/index.ts
index 2e74219718..f7506b534a 100644
--- a/plugins/catalog/src/index.ts
+++ b/plugins/catalog/src/index.ts
@@ -35,3 +35,4 @@ export {
EntityLinksCard,
EntitySystemDiagramCard,
} from './plugin';
+export * from './components/EntityOrphanWarning';