diff --git a/service/libs/service/src/app.service.ts b/service/libs/service/src/app.service.ts
deleted file mode 100644
index f229192..0000000
--- a/service/libs/service/src/app.service.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-import {Injectable} from "@nestjs/common"
-
-@Injectable()
-export class AppService {
-  getHello(): string {
-    return "Hello World!"
-  }
-}
diff --git a/service/libs/service/src/service.module.ts b/service/libs/service/src/service.module.ts
index ad656ee..75eb91b 100644
--- a/service/libs/service/src/service.module.ts
+++ b/service/libs/service/src/service.module.ts
@@ -1,11 +1,10 @@
 import {Module} from "@nestjs/common"
-import {AppService} from "./app.service"
 import {SourceCodeService} from "./source-code.service"
 import {ExternalModule} from "@libs/external/external.module"
 
 @Module({
   imports: [ExternalModule],
-  providers: [AppService, SourceCodeService],
-  exports: [AppService, SourceCodeService]
+  providers: [SourceCodeService],
+  exports: [SourceCodeService]
 })
 export class ServiceModule {}
diff --git a/service/libs/service/test/app.service.test.ts b/service/libs/service/test/app.service.test.ts
deleted file mode 100644
index c6dd84d..0000000
--- a/service/libs/service/test/app.service.test.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-import {AppService} from "@libs/service/app.service"
-
-describe("AppService", () => {
-  let appService: AppService
-
-  beforeEach(() => {
-    appService = new AppService()
-  })
-
-  it("should return the correct message", () => {
-    const result = appService.getHello()
-    expect(result).toBe("Hello World!")
-  })
-})
diff --git a/service/main/src/app.controller.ts b/service/main/src/app.controller.ts
deleted file mode 100644
index c2f4c64..0000000
--- a/service/main/src/app.controller.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-import {AppService} from "@libs/service/app.service"
-import {Controller, Get} from "@nestjs/common"
-
-@Controller()
-export class AppController {
-  constructor(private readonly appService: AppService) {}
-
-  @Get()
-  getHello(): string {
-    return this.appService.getHello()
-  }
-}
diff --git a/service/main/src/app.module.ts b/service/main/src/app.module.ts
index 6642a11..7500142 100644
--- a/service/main/src/app.module.ts
+++ b/service/main/src/app.module.ts
@@ -1,11 +1,10 @@
 import {Module} from "@nestjs/common"
-import {AppController} from "./app.controller"
 import {ServiceModule} from "@libs/service/service.module"
 import {SourceCodeController} from "./controller/source-code.controller"
 
 @Module({
   imports: [ServiceModule],
-  controllers: [AppController, SourceCodeController],
+  controllers: [SourceCodeController],
   providers: []
 })
 export class AppModule {}