diff --git a/integration/microservices/src/tcp-tls/app.module.ts b/integration/microservices/src/tcp-tls/app.module.ts
index 79a167886..b3720d2a9 100644
--- a/integration/microservices/src/tcp-tls/app.module.ts
+++ b/integration/microservices/src/tcp-tls/app.module.ts
@@ -1,13 +1,13 @@
-import { Module, Injectable } from '@nestjs/common';
-import { AppController } from './app.controller';
+import { Injectable, Module } from '@nestjs/common';
 import {
-  ClientsModule,
-  Transport,
-  ClientsModuleOptionsFactory,
   ClientOptions,
+  ClientsModule,
+  ClientsModuleOptionsFactory,
   ClientTCP,
   RpcException,
+  Transport,
 } from '@nestjs/microservices';
+import { AppController } from './app.controller';
 
 import * as fs from 'fs';
 import * as path from 'path';
diff --git a/packages/microservices/client/client-proxy.ts b/packages/microservices/client/client-proxy.ts
index b937fe983..ed25ad4d9 100644
--- a/packages/microservices/client/client-proxy.ts
+++ b/packages/microservices/client/client-proxy.ts
@@ -36,7 +36,7 @@ import { transformPatternToRoute } from '../utils';
  * @publicApi
  */
 export abstract class ClientProxy<
-  EventsMap extends Record<string, Function> = Record<string, Function>,
+  EventsMap extends Record<never, Function> = Record<never, Function>,
   Status extends string = string,
 > {
   protected routingMap = new Map<string, Function>();
diff --git a/packages/microservices/interfaces/client-metadata.interface.ts b/packages/microservices/interfaces/client-metadata.interface.ts
index 53bb8b556..26b68e36c 100644
--- a/packages/microservices/interfaces/client-metadata.interface.ts
+++ b/packages/microservices/interfaces/client-metadata.interface.ts
@@ -1,7 +1,8 @@
 import { Type } from '@nestjs/common';
+import { ConnectionOptions } from 'tls';
 import { ClientProxy } from '../client';
-import { TcpSocket } from '../helpers';
 import { Transport } from '../enums/transport.enum';
+import { TcpSocket } from '../helpers';
 import { Deserializer } from './deserializer.interface';
 import {
   GrpcOptions,
@@ -12,7 +13,6 @@ import {
   RmqOptions,
 } from './microservice-configuration.interface';
 import { Serializer } from './serializer.interface';
-import { ConnectionOptions } from 'tls';
 
 export type ClientOptions =
   | RedisOptions
diff --git a/packages/microservices/test/server/server-nats.spec.ts b/packages/microservices/test/server/server-nats.spec.ts
index 1b9839903..05911102a 100644
--- a/packages/microservices/test/server/server-nats.spec.ts
+++ b/packages/microservices/test/server/server-nats.spec.ts
@@ -4,9 +4,11 @@ import * as sinon from 'sinon';
 import { NO_MESSAGE_HANDLER } from '../../constants';
 import { NatsContext } from '../../ctx-host';
 import { BaseRpcContext } from '../../ctx-host/base-rpc.context';
-import { NatsMsg } from '../../external/nats-client.interface';
 import { ServerNats } from '../../server/server-nats';
 
+// type NatsMsg = import('nats').Msg;
+type NatsMsg = any;
+
 describe('ServerNats', () => {
   let server: ServerNats;