diff --git a/.changeset/sad-showers-begin.md b/.changeset/sad-showers-begin.md
index 6054072620..3f78400a13 100644
--- a/.changeset/sad-showers-begin.md
+++ b/.changeset/sad-showers-begin.md
@@ -2,7 +2,7 @@
 '@backstage/plugin-catalog-backend': major
 ---
 
-**BREAKING**: Removed all deprecated exports.
+**BREAKING**: Removed all deprecated exports, and removed support for the old backend system.
 
 The following removed exports are available from `@backstage/plugin-catalog-node`:
 
@@ -56,3 +56,9 @@ The following exports are removed without a direct replacement:
 - `DefaultCatalogCollatorFactoryOptions`
 - `LocationEntityProcessor`
 - `LocationEntityProcessorOptions`
+- `CatalogBuilder`
+- `CatalogEnvironment`
+- `CatalogPermissionRuleInput`
+- `CatalogProcessingEngine`
+- `createRandomProcessingInterval`
+- `ProcessingIntervalFunction`
diff --git a/plugins/catalog-backend/package.json b/plugins/catalog-backend/package.json
index fb6032342b..58df69f6a3 100644
--- a/plugins/catalog-backend/package.json
+++ b/plugins/catalog-backend/package.json
@@ -61,7 +61,6 @@
     "test": "backstage-cli package test"
   },
   "dependencies": {
-    "@backstage/backend-common": "^0.25.0",
     "@backstage/backend-openapi-utils": "workspace:^",
     "@backstage/backend-plugin-api": "workspace:^",
     "@backstage/catalog-client": "workspace:^",
diff --git a/plugins/catalog-backend/report.api.md b/plugins/catalog-backend/report.api.md
index cdabce4732..9bb94b2dd5 100644
--- a/plugins/catalog-backend/report.api.md
+++ b/plugins/catalog-backend/report.api.md
@@ -3,40 +3,19 @@
 > Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
 
 ```ts
-import { AuditorService } from '@backstage/backend-plugin-api';
-import { AuthService } from '@backstage/backend-plugin-api';
 import { BackendFeature } from '@backstage/backend-plugin-api';
 import { CatalogProcessor } from '@backstage/plugin-catalog-node';
 import { CatalogProcessorCache } from '@backstage/plugin-catalog-node';
 import { CatalogProcessorEmit } from '@backstage/plugin-catalog-node';
 import { CatalogProcessorParser } from '@backstage/plugin-catalog-node';
 import { Config } from '@backstage/config';
-import { DatabaseService } from '@backstage/backend-plugin-api';
-import { DiscoveryService } from '@backstage/backend-plugin-api';
-import { EntitiesSearchFilter } from '@backstage/plugin-catalog-node';
 import { Entity } from '@backstage/catalog-model';
 import { EntityPolicy } from '@backstage/catalog-model';
-import { EntityProvider } from '@backstage/plugin-catalog-node';
-import { EventBroker } from '@backstage/plugin-events-node';
-import { EventsService } from '@backstage/plugin-events-node';
-import { HttpAuthService } from '@backstage/backend-plugin-api';
-import { LocationAnalyzer } from '@backstage/plugin-catalog-node';
 import { LocationSpec } from '@backstage/plugin-catalog-common';
 import { LoggerService } from '@backstage/backend-plugin-api';
-import { Permission } from '@backstage/plugin-permission-common';
-import { PermissionAuthorizer } from '@backstage/plugin-permission-common';
-import { PermissionRule } from '@backstage/plugin-permission-node';
-import { PermissionRuleParams } from '@backstage/plugin-permission-common';
-import { PermissionsRegistryService } from '@backstage/backend-plugin-api';
-import { PermissionsService } from '@backstage/backend-plugin-api';
 import { PlaceholderResolver } from '@backstage/plugin-catalog-node';
-import { RootConfigService } from '@backstage/backend-plugin-api';
-import { Router } from 'express';
-import { SchedulerService } from '@backstage/backend-plugin-api';
 import { ScmIntegrationRegistry } from '@backstage/integration';
-import { ScmLocationAnalyzer } from '@backstage/plugin-catalog-node';
 import { UrlReaderService } from '@backstage/backend-plugin-api';
-import { Validators } from '@backstage/catalog-model';
 
 // @public (undocumented)
 export class AnnotateLocationEntityProcessor implements CatalogProcessor {
@@ -91,89 +70,10 @@ export const CATALOG_CONFLICTS_TOPIC = 'experimental.catalog.conflict';
 // @public (undocumented)
 export const CATALOG_ERRORS_TOPIC = 'experimental.catalog.errors';
 
-// @public @deprecated
-export class CatalogBuilder {
-  addEntityPolicy(
-    ...policies: Array<EntityPolicy | Array<EntityPolicy>>
-  ): CatalogBuilder;
-  addEntityProvider(
-    ...providers: Array<EntityProvider | Array<EntityProvider>>
-  ): CatalogBuilder;
-  addLocationAnalyzers(
-    ...analyzers: Array<ScmLocationAnalyzer | Array<ScmLocationAnalyzer>>
-  ): CatalogBuilder;
-  addPermissionRules(
-    ...permissionRules: Array<
-      CatalogPermissionRuleInput | Array<CatalogPermissionRuleInput>
-    >
-  ): this;
-  addPermissions(...permissions: Array<Permission | Array<Permission>>): this;
-  addProcessor(
-    ...processors: Array<CatalogProcessor | Array<CatalogProcessor>>
-  ): CatalogBuilder;
-  build(): Promise<{
-    processingEngine: CatalogProcessingEngine;
-    router: Router;
-  }>;
-  static create(env: CatalogEnvironment): CatalogBuilder;
-  getDefaultProcessors(): CatalogProcessor[];
-  replaceEntityPolicies(policies: EntityPolicy[]): CatalogBuilder;
-  replaceProcessors(processors: CatalogProcessor[]): CatalogBuilder;
-  setAllowedLocationTypes(allowedLocationTypes: string[]): CatalogBuilder;
-  setEntityDataParser(parser: CatalogProcessorParser): CatalogBuilder;
-  setEventBroker(broker: EventBroker | EventsService): CatalogBuilder;
-  setFieldFormatValidators(validators: Partial<Validators>): CatalogBuilder;
-  setLocationAnalyzer(locationAnalyzer: LocationAnalyzer): CatalogBuilder;
-  setPlaceholderResolver(
-    key: string,
-    resolver: PlaceholderResolver,
-  ): CatalogBuilder;
-  setProcessingInterval(
-    processingInterval: ProcessingIntervalFunction,
-  ): CatalogBuilder;
-  setProcessingIntervalSeconds(seconds: number): CatalogBuilder;
-  // (undocumented)
-  subscribe(options: {
-    onProcessingError: (event: {
-      unprocessedEntity: Entity;
-      errors: Error[];
-    }) => Promise<void> | void;
-  }): void;
-  useLegacySingleProcessorValidation(): this;
-}
-
-// @public @deprecated (undocumented)
-export type CatalogEnvironment = {
-  logger: LoggerService;
-  database: DatabaseService;
-  config: RootConfigService;
-  reader: UrlReaderService;
-  permissions: PermissionsService | PermissionAuthorizer;
-  permissionsRegistry?: PermissionsRegistryService;
-  scheduler?: SchedulerService;
-  discovery?: DiscoveryService;
-  auth?: AuthService;
-  httpAuth?: HttpAuthService;
-  auditor?: AuditorService;
-};
-
-// @public
-export type CatalogPermissionRuleInput<
-  TParams extends PermissionRuleParams = PermissionRuleParams,
-> = PermissionRule<Entity, EntitiesSearchFilter, 'catalog-entity', TParams>;
-
 // @public
 const catalogPlugin: BackendFeature;
 export default catalogPlugin;
 
-// @public
-export interface CatalogProcessingEngine {
-  // (undocumented)
-  start(): Promise<void>;
-  // (undocumented)
-  stop(): Promise<void>;
-}
-
 // @public (undocumented)
 export class CodeOwnersProcessor implements CatalogProcessor {
   constructor(options: {
@@ -195,12 +95,6 @@ export class CodeOwnersProcessor implements CatalogProcessor {
   preProcessEntity(entity: Entity, location: LocationSpec): Promise<Entity>;
 }
 
-// @public
-export function createRandomProcessingInterval(options: {
-  minSeconds: number;
-  maxSeconds: number;
-}): ProcessingIntervalFunction;
-
 // @public (undocumented)
 export class FileReaderProcessor implements CatalogProcessor {
   // (undocumented)
@@ -234,9 +128,6 @@ export type PlaceholderProcessorOptions = {
   integrations: ScmIntegrationRegistry;
 };
 
-// @public
-export type ProcessingIntervalFunction = () => number;
-
 // @public
 export function transformLegacyPolicyToProcessor(
   policy: EntityPolicy,
diff --git a/plugins/catalog-backend/src/database/DefaultProcessingDatabase.test.ts b/plugins/catalog-backend/src/database/DefaultProcessingDatabase.test.ts
index 750eebbadb..a09e938575 100644
--- a/plugins/catalog-backend/src/database/DefaultProcessingDatabase.test.ts
+++ b/plugins/catalog-backend/src/database/DefaultProcessingDatabase.test.ts
@@ -32,7 +32,7 @@ import {
   DbRefreshStateRow,
   DbRelationsRow,
 } from './tables';
-import { createRandomProcessingInterval } from '../processing';
+import { createRandomProcessingInterval } from '../processing/refresh';
 import { timestampToDateTime } from './conversion';
 import { generateStableHash } from './util';
 import { LoggerService } from '@backstage/backend-plugin-api';
diff --git a/plugins/catalog-backend/src/database/DefaultProcessingDatabase.ts b/plugins/catalog-backend/src/database/DefaultProcessingDatabase.ts
index 0aa31dd36d..81c26c66ab 100644
--- a/plugins/catalog-backend/src/database/DefaultProcessingDatabase.ts
+++ b/plugins/catalog-backend/src/database/DefaultProcessingDatabase.ts
@@ -19,7 +19,7 @@ import { ConflictError } from '@backstage/errors';
 import { DeferredEntity } from '@backstage/plugin-catalog-node';
 import { Knex } from 'knex';
 import lodash from 'lodash';
-import { ProcessingIntervalFunction } from '../processing';
+import { ProcessingIntervalFunction } from '../processing/refresh';
 import { rethrowError, timestampToDateTime } from './conversion';
 import { initDatabaseMetrics } from './metrics';
 import {
diff --git a/plugins/catalog-backend/src/index.ts b/plugins/catalog-backend/src/index.ts
index ea658a9a13..72bfde4cdf 100644
--- a/plugins/catalog-backend/src/index.ts
+++ b/plugins/catalog-backend/src/index.ts
@@ -22,6 +22,4 @@
 
 export { catalogPlugin as default } from './service/CatalogPlugin';
 export * from './processors';
-export * from './processing';
-export * from './service';
 export * from './constants';
diff --git a/plugins/catalog-backend/src/processing/DefaultCatalogProcessingOrchestrator.ts b/plugins/catalog-backend/src/processing/DefaultCatalogProcessingOrchestrator.ts
index 5456371e15..b1fcba5d40 100644
--- a/plugins/catalog-backend/src/processing/DefaultCatalogProcessingOrchestrator.ts
+++ b/plugins/catalog-backend/src/processing/DefaultCatalogProcessingOrchestrator.ts
@@ -84,7 +84,6 @@ function addProcessorAttributes(
   );
 }
 
-/** @public */
 export class DefaultCatalogProcessingOrchestrator
   implements CatalogProcessingOrchestrator
 {
diff --git a/plugins/catalog-backend/src/processing/index.ts b/plugins/catalog-backend/src/processing/index.ts
deleted file mode 100644
index 6e5893c976..0000000000
--- a/plugins/catalog-backend/src/processing/index.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * Copyright 2021 The Backstage Authors
- *
- * 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 type { CatalogProcessingEngine } from './types';
-export { createRandomProcessingInterval } from './refresh';
-export type { ProcessingIntervalFunction } from './refresh';
diff --git a/plugins/catalog-backend/src/processing/refresh.ts b/plugins/catalog-backend/src/processing/refresh.ts
index f9f596cdb9..9efc1dfcdc 100644
--- a/plugins/catalog-backend/src/processing/refresh.ts
+++ b/plugins/catalog-backend/src/processing/refresh.ts
@@ -16,14 +16,12 @@
 
 /**
  * Function that returns the catalog processing interval in seconds.
- * @public
  */
 export type ProcessingIntervalFunction = () => number;
 
 /**
  * Creates a function that returns a random processing interval between minSeconds and maxSeconds.
  * @returns A {@link ProcessingIntervalFunction} that provides the next processing interval
- * @public
  */
 export function createRandomProcessingInterval(options: {
   minSeconds: number;
diff --git a/plugins/catalog-backend/src/service/CatalogBuilder.ts b/plugins/catalog-backend/src/service/CatalogBuilder.ts
index 99752ca5cf..899563c74d 100644
--- a/plugins/catalog-backend/src/service/CatalogBuilder.ts
+++ b/plugins/catalog-backend/src/service/CatalogBuilder.ts
@@ -14,10 +14,6 @@
  * limitations under the License.
  */
 
-import {
-  createLegacyAuthAdapters,
-  HostDiscovery,
-} from '@backstage/backend-common';
 import {
   DefaultNamespaceEntityPolicy,
   Entity,
@@ -38,7 +34,6 @@ import {
   AuditorService,
   AuthService,
   DatabaseService,
-  DiscoveryService,
   HttpAuthService,
   LoggerService,
   PermissionsRegistryService,
@@ -55,7 +50,6 @@ import {
 import {
   CatalogProcessor,
   CatalogProcessorParser,
-  EntitiesSearchFilter,
   EntityProvider,
   LocationAnalyzer,
   PlaceholderResolver,
@@ -65,13 +59,11 @@ import { EventBroker, EventsService } from '@backstage/plugin-events-node';
 import {
   Permission,
   PermissionAuthorizer,
-  PermissionRuleParams,
   toPermissionEvaluator,
 } from '@backstage/plugin-permission-common';
 import {
   createConditionTransformer,
   createPermissionIntegrationRouter,
-  PermissionRule,
 } from '@backstage/plugin-permission-node';
 import { durationToMilliseconds } from '@backstage/types';
 import { DefaultCatalogDatabase } from '../database/DefaultCatalogDatabase';
@@ -81,11 +73,11 @@ import { applyDatabaseMigrations } from '../database/migrations';
 import { DefaultCatalogRulesEnforcer } from '../ingestion/CatalogRules';
 import { RepoLocationAnalyzer } from '../ingestion/LocationAnalyzer';
 import { permissionRules as catalogPermissionRules } from '../permissions/rules';
+import { CatalogProcessingEngine } from '../processing/types';
 import {
-  CatalogProcessingEngine,
   createRandomProcessingInterval,
   ProcessingIntervalFunction,
-} from '../processing';
+} from '../processing/refresh';
 import { connectEntityProviders } from '../processing/connectEntityProviders';
 import { evictEntitiesFromOrphanedProviders } from '../processing/evictEntitiesFromOrphanedProviders';
 import { DefaultCatalogProcessingEngine } from '../processing/DefaultCatalogProcessingEngine';
@@ -116,21 +108,11 @@ import { DefaultEntitiesCatalog } from './DefaultEntitiesCatalog';
 import { DefaultLocationService } from './DefaultLocationService';
 import { DefaultRefreshService } from './DefaultRefreshService';
 import { entitiesResponseToObjects } from './response';
-import { catalogEntityPermissionResourceRef } from '@backstage/plugin-catalog-node/alpha';
+import {
+  catalogEntityPermissionResourceRef,
+  CatalogPermissionRuleInput,
+} from '@backstage/plugin-catalog-node/alpha';
 
-/**
- * This is a duplicate of the alpha `CatalogPermissionRule` type, for use in the stable API.
- *
- * @public
- */
-export type CatalogPermissionRuleInput<
-  TParams extends PermissionRuleParams = PermissionRuleParams,
-> = PermissionRule<Entity, EntitiesSearchFilter, 'catalog-entity', TParams>;
-
-/**
- * @deprecated Please migrate to the new backend system as this will be removed in the future.
- * @public
- */
 export type CatalogEnvironment = {
   logger: LoggerService;
   database: DatabaseService;
@@ -139,9 +121,8 @@ export type CatalogEnvironment = {
   permissions: PermissionsService | PermissionAuthorizer;
   permissionsRegistry?: PermissionsRegistryService;
   scheduler?: SchedulerService;
-  discovery?: DiscoveryService;
-  auth?: AuthService;
-  httpAuth?: HttpAuthService;
+  auth: AuthService;
+  httpAuth: HttpAuthService;
   auditor?: AuditorService;
 };
 
@@ -167,9 +148,6 @@ export type CatalogEnvironment = {
  * - Processors can be added or replaced. These implement the functionality of
  *   reading, parsing, validating, and processing the entity data before it is
  *   persisted in the catalog.
- *
- * @public
- * @deprecated Please migrate to the new backend system as this will be removed in the future.
  */
 export class CatalogBuilder {
   private readonly env: CatalogEnvironment;
@@ -482,15 +460,11 @@ export class CatalogBuilder {
       permissions,
       scheduler,
       permissionsRegistry,
-      discovery = HostDiscovery.fromConfig(config),
       auditor,
+      auth,
+      httpAuth,
     } = this.env;
 
-    const { auth, httpAuth } = createLegacyAuthAdapters({
-      ...this.env,
-      discovery,
-    });
-
     const disableRelationsCompatibility = config.getOptionalBoolean(
       'catalog.disableRelationsCompatibility',
     );
diff --git a/plugins/catalog-backend/src/service/CatalogPlugin.ts b/plugins/catalog-backend/src/service/CatalogPlugin.ts
index 13be6eea31..9925f11c7b 100644
--- a/plugins/catalog-backend/src/service/CatalogPlugin.ts
+++ b/plugins/catalog-backend/src/service/CatalogPlugin.ts
@@ -35,13 +35,14 @@ import {
   catalogModelExtensionPoint,
   CatalogPermissionExtensionPoint,
   catalogPermissionExtensionPoint,
+  CatalogPermissionRuleInput,
   CatalogProcessingExtensionPoint,
   catalogProcessingExtensionPoint,
 } from '@backstage/plugin-catalog-node/alpha';
 import { eventsServiceRef } from '@backstage/plugin-events-node';
 import { Permission } from '@backstage/plugin-permission-common';
 import { merge } from 'lodash';
-import { CatalogBuilder, CatalogPermissionRuleInput } from './CatalogBuilder';
+import { CatalogBuilder } from './CatalogBuilder';
 
 class CatalogLocationsExtensionPointImpl
   implements CatalogLocationsExtensionPoint
@@ -232,7 +233,6 @@ export const catalogPlugin = createBackendPlugin({
         httpRouter: coreServices.httpRouter,
         lifecycle: coreServices.rootLifecycle,
         scheduler: coreServices.scheduler,
-        discovery: coreServices.discovery,
         auth: coreServices.auth,
         httpAuth: coreServices.httpAuth,
         auditor: coreServices.auditor,
@@ -248,7 +248,6 @@ export const catalogPlugin = createBackendPlugin({
         httpRouter,
         lifecycle,
         scheduler,
-        discovery,
         auth,
         httpAuth,
         auditor,
@@ -262,7 +261,6 @@ export const catalogPlugin = createBackendPlugin({
           database,
           scheduler,
           logger,
-          discovery,
           auth,
           httpAuth,
           auditor,
diff --git a/plugins/catalog-backend/src/service/createRouter.ts b/plugins/catalog-backend/src/service/createRouter.ts
index 08e98d0548..f4ce26b66b 100644
--- a/plugins/catalog-backend/src/service/createRouter.ts
+++ b/plugins/catalog-backend/src/service/createRouter.ts
@@ -65,9 +65,6 @@ import {
 
 /**
  * Options used by {@link createRouter}.
- *
- * @public
- * @deprecated Please migrate to the new backend system as this will be removed in the future.
  */
 export interface RouterOptions {
   entitiesCatalog?: EntitiesCatalog;
diff --git a/plugins/catalog-backend/src/service/index.ts b/plugins/catalog-backend/src/service/index.ts
deleted file mode 100644
index 44645d39fe..0000000000
--- a/plugins/catalog-backend/src/service/index.ts
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * Copyright 2021 The Backstage Authors
- *
- * 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 type {
-  CatalogEnvironment,
-  CatalogPermissionRuleInput,
-} from './CatalogBuilder';
-export { CatalogBuilder } from './CatalogBuilder';
diff --git a/plugins/catalog-backend/src/service/types.ts b/plugins/catalog-backend/src/service/types.ts
index 30470e5af0..f9ec39c7d3 100644
--- a/plugins/catalog-backend/src/service/types.ts
+++ b/plugins/catalog-backend/src/service/types.ts
@@ -20,8 +20,6 @@ import { BackstageCredentials } from '@backstage/backend-plugin-api';
 
 /**
  * Holds the information required to create a new location in the catalog location store.
- *
- * @public
  */
 export interface LocationInput {
   type: string;
@@ -30,7 +28,6 @@ export interface LocationInput {
 
 /**
  * The location service manages entity locations.
- * @public
  */
 export interface LocationService {
   createLocation(
@@ -59,8 +56,6 @@ export interface LocationService {
 
 /**
  * Options for requesting a refresh of entities in the catalog.
- *
- * @public
  */
 export type RefreshOptions = {
   /** The reference to a single entity that should be refreshed */
@@ -70,8 +65,6 @@ export type RefreshOptions = {
 
 /**
  * A service that manages refreshes of entities in the catalog.
- *
- * @public
  */
 export interface RefreshService {
   /**
@@ -82,7 +75,6 @@ export interface RefreshService {
 
 /**
  * Interacts with the database to manage locations.
- * @public
  */
 export interface LocationStore {
   createLocation(location: LocationInput): Promise<Location>;
diff --git a/plugins/catalog-backend/src/tests/integration.test.ts b/plugins/catalog-backend/src/tests/integration.test.ts
index 76d6af1f0d..400bbc7538 100644
--- a/plugins/catalog-backend/src/tests/integration.test.ts
+++ b/plugins/catalog-backend/src/tests/integration.test.ts
@@ -47,7 +47,7 @@ import {
 } from '../processing/DefaultCatalogProcessingEngine';
 import { DefaultCatalogProcessingOrchestrator } from '../processing/DefaultCatalogProcessingOrchestrator';
 import { connectEntityProviders } from '../processing/connectEntityProviders';
-import { CatalogProcessingEngine } from '../processing';
+import { CatalogProcessingEngine } from '../processing/types';
 import { DefaultEntitiesCatalog } from '../service/DefaultEntitiesCatalog';
 import { DefaultRefreshService } from '../service/DefaultRefreshService';
 import { RefreshOptions, RefreshService } from '../service/types';
diff --git a/plugins/catalog-backend/src/util/conversion.ts b/plugins/catalog-backend/src/util/conversion.ts
index 0b92b88d90..7d542e0ce1 100644
--- a/plugins/catalog-backend/src/util/conversion.ts
+++ b/plugins/catalog-backend/src/util/conversion.ts
@@ -32,7 +32,6 @@ export function locationSpecToMetadataName(location: LocationSpec) {
   return `generated-${hash}`;
 }
 
-/** @public */
 export function locationSpecToLocationEntity(opts: {
   location: LocationSpec;
   parentEntity?: Entity;
diff --git a/yarn.lock b/yarn.lock
index c7f79ae2f0..7a3aeefd84 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6016,7 +6016,6 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@backstage/plugin-catalog-backend@workspace:plugins/catalog-backend"
   dependencies:
-    "@backstage/backend-common": "npm:^0.25.0"
     "@backstage/backend-defaults": "workspace:^"
     "@backstage/backend-openapi-utils": "workspace:^"
     "@backstage/backend-plugin-api": "workspace:^"