diff --git a/src/entities/ThirdParty.ts b/src/entities/ThirdParty.ts
index 80bc563..c426d06 100644
--- a/src/entities/ThirdParty.ts
+++ b/src/entities/ThirdParty.ts
@@ -4,13 +4,9 @@ import {
   CreateDateColumn,
   Entity,
   Index,
-  ManyToOne,
-  OneToMany,
   PrimaryGeneratedColumn,
-  RelationId,
   UpdateDateColumn,
 } from 'typeorm';
-import { NotificationSetting } from './notificationSetting';
 
 // Schema designed based on https://github.com/Giveth/giveth-dapps-v2/issues/475
 @Entity()
diff --git a/src/entities/userAddress.ts b/src/entities/userAddress.ts
index 3bc1228..392397e 100644
--- a/src/entities/userAddress.ts
+++ b/src/entities/userAddress.ts
@@ -4,10 +4,8 @@ import {
   CreateDateColumn,
   Entity,
   Index,
-  ManyToOne,
   OneToMany,
   PrimaryGeneratedColumn,
-  RelationId,
   UpdateDateColumn,
 } from 'typeorm';
 import { NotificationSetting } from './notificationSetting';
@@ -23,11 +21,11 @@ export class UserAddress extends BaseEntity {
   @Column('text', { nullable: false })
   walletAddress: string;
 
-  @OneToMany(type => Notification, notification => notification.userAddress)
+  @OneToMany(_type => Notification, notification => notification.userAddress)
   notifications?: Notification[];
 
   @OneToMany(
-    type => NotificationSetting,
+    _type => NotificationSetting,
     notificationSetting => notificationSetting.userAddress,
   )
   settings?: NotificationSetting[];
diff --git a/src/repositories/userAddressRepository.test.ts b/src/repositories/userAddressRepository.test.ts
index 5a70961..1d83a14 100644
--- a/src/repositories/userAddressRepository.test.ts
+++ b/src/repositories/userAddressRepository.test.ts
@@ -2,10 +2,8 @@ import { assert } from 'chai';
 import {
   generateRandomEthereumAddress,
   saveUserAddressDirectlyToDb,
-  sleep,
 } from '../../test/testUtils';
 import { NotificationSetting } from '../entities/notificationSetting';
-import { MICRO_SERVICES } from '../utils/utils';
 import {
   createNewUserAddress,
   createNewUserAddressIfNotExists,
diff --git a/src/validators/schemaValidators.ts b/src/validators/schemaValidators.ts
index 7540433..ad13c7f 100644
--- a/src/validators/schemaValidators.ts
+++ b/src/validators/schemaValidators.ts
@@ -1,10 +1,9 @@
-import Joi, { number, ObjectSchema, ValidationResult } from 'joi';
+import Joi, { ObjectSchema, ValidationResult } from 'joi';
 import { StandardError } from '../types/StandardError';
 import { errorMessagesEnum } from '../utils/errorMessages';
 
 const ethereumWalletAddressRegex = /^0x[a-fA-F0-9]{40}$/;
 const solanaWalletAddressRegex = /^[A-Za-z0-9]{43,44}$/;
-const txHashRegex = /^0x[a-fA-F0-9]{64}$/;
 
 export const validateWithJoiSchema = (data: any, schema: ObjectSchema) => {
   const validationResult = schema.validate(data);
diff --git a/test/pre-test-scripts.ts b/test/pre-test-scripts.ts
index ec4cbca..80cf4cd 100644
--- a/test/pre-test-scripts.ts
+++ b/test/pre-test-scripts.ts
@@ -1,13 +1,11 @@
-import dotenv from 'dotenv';
 import * as path from 'path';
+import dotenv from 'dotenv';
 dotenv.config({
   path: path.resolve(__dirname, `../config/${process.env.NODE_ENV || ''}.env`),
 });
 
 import { initServer } from '../src/server';
 import { AppDataSource } from '../src/dataSource';
-import { ThirdParty } from '../src/entities/ThirdParty';
-import { Notification } from '../src/entities/notification';
 import { sleep } from './testUtils';
 
 /* eslint-disable @typescript-eslint/no-var-requires */
diff --git a/test/testUtils.ts b/test/testUtils.ts
index 9890c5d..c13503d 100644
--- a/test/testUtils.ts
+++ b/test/testUtils.ts
@@ -1,10 +1,10 @@
 import { assert } from 'chai';
+import { sign } from 'jsonwebtoken';
+import { Keypair } from '@solana/web3.js';
 import { Notification } from '../src/entities/notification';
 import { UserAddress } from '../src/entities/userAddress';
 import { NotificationType } from '../src/entities/notificationType';
 import { createBasicAuthentication } from '../src/utils/authorizationUtils';
-import { sign } from 'jsonwebtoken';
-import { Keypair } from '@solana/web3.js';
 
 // eslint:disable-next-line
 export const serverUrl = 'http://localhost:3041';