diff --git a/packages/backend/src/plugins/catalog.ts b/packages/backend/src/plugins/catalog.ts
index 255226d5d3..0f678a2482 100644
--- a/packages/backend/src/plugins/catalog.ts
+++ b/packages/backend/src/plugins/catalog.ts
@@ -14,16 +14,12 @@
  * limitations under the License.
  */
 
-import {
-  CATALOG_ERRORS_TOPIC,
-  CatalogBuilder,
-} from '@backstage/plugin-catalog-backend';
+import { CatalogBuilder } from '@backstage/plugin-catalog-backend';
 import { ScaffolderEntitiesProcessor } from '@backstage/plugin-catalog-backend-module-scaffolder-entity-model';
 import { UnprocessedEntitiesModule } from '@backstage/plugin-catalog-backend-module-unprocessed';
 import { Router } from 'express';
 import { PluginEnvironment } from '../types';
 import { DemoEventBasedEntityProvider } from './DemoEventBasedEntityProvider';
-import { EventParams } from '@backstage/plugin-events-node';
 
 export default async function createPlugin(
   env: PluginEnvironment,