diff --git a/packages/backend/test/unit/AnnouncementService.ts b/packages/backend/test/unit/AnnouncementService.ts
index a79655c9aa..32d7df05bf 100644
--- a/packages/backend/test/unit/AnnouncementService.ts
+++ b/packages/backend/test/unit/AnnouncementService.ts
@@ -8,9 +8,12 @@ process.env.NODE_ENV = 'test';
 import { jest } from '@jest/globals';
 import { ModuleMocker } from 'jest-mock';
 import { Test } from '@nestjs/testing';
+import { NoOpCacheService } from '../misc/noOpCaches.js';
+import { FakeInternalEventService } from '../misc/FakeInternalEventService.js';
 import { GlobalModule } from '@/GlobalModule.js';
 import { AnnouncementService } from '@/core/AnnouncementService.js';
 import { AnnouncementEntityService } from '@/core/entities/AnnouncementEntityService.js';
+import { InternalEventService } from '@/core/InternalEventService.js';
 import type {
 	AnnouncementReadsRepository,
 	AnnouncementsRepository,
@@ -71,24 +74,27 @@ describe('AnnouncementService', () => {
 				AnnouncementEntityService,
 				CacheService,
 				IdService,
+				InternalEventService,
+				GlobalEventService,
+				ModerationLogService,
 			],
 		})
 			.useMocker((token) => {
-				if (token === GlobalEventService) {
-					return {
-						publishMainStream: jest.fn(),
-						publishBroadcastStream: jest.fn(),
-					};
-				} else if (token === ModerationLogService) {
-					return {
-						log: jest.fn(),
-					};
-				} else if (typeof token === 'function') {
+				if (typeof token === 'function') {
 					const mockMetadata = moduleMocker.getMetadata(token) as MockFunctionMetadata<any, any>;
 					const Mock = moduleMocker.generateFromMetadata(mockMetadata);
 					return new Mock();
 				}
 			})
+			.overrideProvider(GlobalEventService).useValue({
+				publishMainStream: jest.fn(),
+				publishBroadcastStream: jest.fn(),
+			} as unknown as GlobalEventService)
+			.overrideProvider(ModerationLogService).useValue({
+				log: jest.fn(),
+			})
+			.overrideProvider(InternalEventService).useClass(FakeInternalEventService)
+			.overrideProvider(CacheService).useClass(NoOpCacheService)
 			.compile();
 
 		app.enableShutdownHooks();
diff --git a/packages/backend/test/unit/RoleService.ts b/packages/backend/test/unit/RoleService.ts
index 839402418e..2afe22618d 100644
--- a/packages/backend/test/unit/RoleService.ts
+++ b/packages/backend/test/unit/RoleService.ts
@@ -10,12 +10,15 @@ import { jest } from '@jest/globals';
 import { ModuleMocker } from 'jest-mock';
 import { Test } from '@nestjs/testing';
 import * as lolex from '@sinonjs/fake-timers';
+import { NoOpCacheService } from '../misc/noOpCaches.js';
+import { FakeInternalEventService } from '../misc/FakeInternalEventService.js';
 import type { TestingModule } from '@nestjs/testing';
 import type { MockFunctionMetadata } from 'jest-mock';
 import { GlobalModule } from '@/GlobalModule.js';
 import { RoleService } from '@/core/RoleService.js';
 import {
 	InstancesRepository,
+	MetasRepository,
 	MiMeta,
 	MiRole,
 	MiRoleAssignment,
@@ -34,6 +37,7 @@ import { secureRndstr } from '@/misc/secure-rndstr.js';
 import { NotificationService } from '@/core/NotificationService.js';
 import { RoleCondFormulaValue } from '@/models/Role.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
+import { InternalEventService } from '@/core/InternalEventService.js';
 
 const moduleMocker = new ModuleMocker(global);
 
@@ -45,6 +49,7 @@ describe('RoleService', () => {
 	let rolesRepository: RolesRepository;
 	let roleAssignmentsRepository: RoleAssignmentsRepository;
 	let meta: jest.Mocked<MiMeta>;
+	let metasRepository: MetasRepository;
 	let notificationService: jest.Mocked<NotificationService>;
 	let clock: lolex.InstalledClock;
 
@@ -143,18 +148,20 @@ describe('RoleService', () => {
 					provide: NotificationService.name,
 					useExisting: NotificationService,
 				},
+				MetaService,
+				InternalEventService,
 			],
 		})
 			.useMocker((token) => {
-				if (token === MetaService) {
-					return { fetch: jest.fn() };
-				}
 				if (typeof token === 'function') {
 					const mockMetadata = moduleMocker.getMetadata(token) as MockFunctionMetadata<any, any>;
 					const Mock = moduleMocker.generateFromMetadata(mockMetadata);
 					return new Mock();
 				}
 			})
+			.overrideProvider(MetaService).useValue({ fetch: jest.fn() })
+			.overrideProvider(InternalEventService).useClass(FakeInternalEventService)
+			.overrideProvider(CacheService).useClass(NoOpCacheService)
 			.compile();
 
 		app.enableShutdownHooks();
@@ -164,6 +171,7 @@ describe('RoleService', () => {
 		usersRepository = app.get<UsersRepository>(DI.usersRepository);
 		rolesRepository = app.get<RolesRepository>(DI.rolesRepository);
 		roleAssignmentsRepository = app.get<RoleAssignmentsRepository>(DI.roleAssignmentsRepository);
+		metasRepository = app.get<MetasRepository>(DI.metasRepository);
 
 		meta = app.get<MiMeta>(DI.meta) as jest.Mocked<MiMeta>;
 		notificationService = app.get<NotificationService>(NotificationService) as jest.Mocked<NotificationService>;
@@ -175,7 +183,7 @@ describe('RoleService', () => {
 		clock.uninstall();
 
 		await Promise.all([
-			app.get(DI.metasRepository).delete({}),
+			metasRepository.delete({}),
 			usersRepository.delete({}),
 			rolesRepository.delete({}),
 			roleAssignmentsRepository.delete({}),
diff --git a/packages/backend/test/unit/activitypub.ts b/packages/backend/test/unit/activitypub.ts
index 94dec16401..45975275d4 100644
--- a/packages/backend/test/unit/activitypub.ts
+++ b/packages/backend/test/unit/activitypub.ts
@@ -9,8 +9,12 @@ import { generateKeyPair } from 'crypto';
 import { Test } from '@nestjs/testing';
 import { jest } from '@jest/globals';
 
+import { NoOpCacheService } from '../misc/noOpCaches.js';
+import { FakeInternalEventService } from '../misc/FakeInternalEventService.js';
 import type { Config } from '@/config.js';
 import type { MiLocalUser, MiRemoteUser } from '@/models/User.js';
+import { InternalEventService } from '@/core/InternalEventService.js';
+import { CacheService } from '@/core/CacheService.js';
 import { ApImageService } from '@/core/activitypub/models/ApImageService.js';
 import { ApNoteService } from '@/core/activitypub/models/ApNoteService.js';
 import { ApPersonService } from '@/core/activitypub/models/ApPersonService.js';
@@ -30,7 +34,7 @@ import { genAidx } from '@/misc/id/aidx.js';
 import { IdService } from '@/core/IdService.js';
 import { MockResolver } from '../misc/mock-resolver.js';
 import { UserKeypairService } from '@/core/UserKeypairService.js';
-import { MemoryKVCache, RedisKVCache } from '@/misc/cache.js';
+import { MemoryKVCache } from '@/misc/cache.js';
 
 const host = 'https://host1.test';
 
@@ -154,6 +158,8 @@ describe('ActivityPub', () => {
 				},
 			})
 			.overrideProvider(DI.meta).useFactory({ factory: () => meta })
+			.overrideProvider(CacheService).useClass(NoOpCacheService)
+			.overrideProvider(InternalEventService).useClass(FakeInternalEventService)
 			.compile();
 
 		await app.init();
@@ -556,7 +562,7 @@ describe('ActivityPub', () => {
 				publicKey,
 				privateKey,
 			});
-			((userKeypairService as unknown as { cache: RedisKVCache<MiUserKeypair> }).cache as unknown as { memoryCache: MemoryKVCache<MiUserKeypair> }).memoryCache.set(author.id, keypair);
+			(userKeypairService as unknown as { cache: MemoryKVCache<MiUserKeypair> }).cache.set(author.id, keypair);
 
 			note = new MiNote({
 				id: idService.gen(),
diff --git a/packages/backend/test/unit/entities/UserEntityService.ts b/packages/backend/test/unit/entities/UserEntityService.ts
index ce3f931bb0..4f45f3216d 100644
--- a/packages/backend/test/unit/entities/UserEntityService.ts
+++ b/packages/backend/test/unit/entities/UserEntityService.ts
@@ -4,6 +4,8 @@
  */
 
 import { Test, TestingModule } from '@nestjs/testing';
+import { FakeInternalEventService } from '../../misc/FakeInternalEventService.js';
+import { NoOpCacheService } from '../../misc/noOpCaches.js';
 import type { MiUser } from '@/models/User.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { GlobalModule } from '@/GlobalModule.js';
@@ -51,6 +53,7 @@ import { ReactionService } from '@/core/ReactionService.js';
 import { NotificationService } from '@/core/NotificationService.js';
 import { ReactionsBufferingService } from '@/core/ReactionsBufferingService.js';
 import { ChatService } from '@/core/ChatService.js';
+import { InternalEventService } from '@/core/InternalEventService.js';
 
 process.env.NODE_ENV = 'test';
 
@@ -174,6 +177,7 @@ describe('UserEntityService', () => {
 				ReactionsBufferingService,
 				NotificationService,
 				ChatService,
+				InternalEventService,
 			];
 
 			app = await Test.createTestingModule({
@@ -182,7 +186,10 @@ describe('UserEntityService', () => {
 					...services,
 					...services.map(x => ({ provide: x.name, useExisting: x })),
 				],
-			}).compile();
+			})
+				.overrideProvider(InternalEventService).useClass(FakeInternalEventService)
+				.overrideProvider(CacheService).useClass(NoOpCacheService)
+				.compile();
 			await app.init();
 			app.enableShutdownHooks();