diff --git a/setupTests-integration.js b/setupTests-integration.js
index 0fa95dfe5..cfa7652f5 100644
--- a/setupTests-integration.js
+++ b/setupTests-integration.js
@@ -15,6 +15,7 @@ import {
 } from './__tests__/integration/helpers/wallet-precalculation.helper';
 import { GenesisWalletHelper } from './__tests__/integration/helpers/genesis-wallet.helper';
 import { generateWalletHelper, waitNextBlock, waitTxConfirmed } from './__tests__/integration/helpers/wallet.helper';
+import { stopGLLBackgroundTask } from './src/sync/gll';
 
 config.setTxMiningUrl(TX_MINING_URL);
 
@@ -97,3 +98,6 @@ expect.extend({
     }
   }
 });
+
+// Stop gll interval to avoid background tasks during tests
+stopGLLBackgroundTask();
diff --git a/setupTests.js b/setupTests.js
index 681eb53a9..9dea0a63a 100644
--- a/setupTests.js
+++ b/setupTests.js
@@ -10,6 +10,7 @@ process.env.NODE_ENV = 'test';
 // Mocking localStorage for tests
 import 'jest-localstorage-mock';
 import helpers from './src/utils/helpers';
+import { stopGLLBackgroundTask } from './src/sync/gll';
 // Mocking WebSocket for tests
 import { Server, WebSocket } from 'mock-socket';
 global.WebSocket = WebSocket;
@@ -75,3 +76,6 @@ expect.extend({
 const { TextEncoder, TextDecoder } = require('util');
 global.TextEncoder = TextEncoder;
 global.TextDecoder = TextDecoder;
+
+// Stop gll interval to avoid background tasks during tests
+stopGLLBackgroundTask();
diff --git a/src/lib.ts b/src/lib.ts
index 4e154e9d5..77f902132 100644
--- a/src/lib.ts
+++ b/src/lib.ts
@@ -56,6 +56,7 @@ import {
   TransactionTemplateBuilder,
   WalletTxTemplateInterpreter,
 } from './template/transaction';
+import { stopGLLBackgroundTask } from './sync/gll';
 
 export {
   PartialTx,
@@ -117,6 +118,7 @@ export {
   TransactionTemplate,
   TransactionTemplateBuilder,
   WalletTxTemplateInterpreter,
+  stopGLLBackgroundTask,
 };
 
 export * from './nano_contracts/types';
diff --git a/src/models/promise_queue.ts b/src/models/promise_queue.ts
index 7541e8ddc..d1e6bc067 100644
--- a/src/models/promise_queue.ts
+++ b/src/models/promise_queue.ts
@@ -43,11 +43,13 @@ export default class PromiseQueue extends EventEmitter {
 
   #intervalId: ReturnType<typeof setTimeout> | null = null;
 
-  constructor() {
+  constructor(autostart: boolean = true) {
     super();
     this.#queue = new PriorityQueue<() => Promise<void>>();
     this.#jobsRunning = 0;
-    this.#startInterval();
+    if (autostart) {
+      this.#startInterval();
+    }
   }
 
   /**
@@ -75,6 +77,13 @@ export default class PromiseQueue extends EventEmitter {
     }
   }
 
+  /**
+   * Allow users to stop the background interval so there is no hanging tasks.
+   */
+  stopBackgroundTask() {
+    this.#clearInterval();
+  }
+
   /**
    * Check if the PromiseQueue is paused.
    */
diff --git a/src/sync/gll.ts b/src/sync/gll.ts
index c545eea72..0574b7af1 100644
--- a/src/sync/gll.ts
+++ b/src/sync/gll.ts
@@ -1,3 +1,9 @@
+/**
+ * Copyright (c) Hathor Labs and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
 import PromiseQueue from '../models/promise_queue';
 
 const MAX_CONCURRENT_LOAD_TASKS = 3;
@@ -6,3 +12,7 @@ const GLL = new PromiseQueue();
 GLL.concurrent = MAX_CONCURRENT_LOAD_TASKS;
 
 export default GLL;
+
+export function stopGLLBackgroundTask() {
+  GLL.stopBackgroundTask();
+}
diff --git a/src/sync/stream.ts b/src/sync/stream.ts
index b80f0e49a..957a60340 100644
--- a/src/sync/stream.ts
+++ b/src/sync/stream.ts
@@ -1,3 +1,9 @@
+/**
+ * Copyright (c) Hathor Labs and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
 import { Address as BitcoreAddress, HDPublicKey } from 'bitcore-lib';
 import queueMicrotask from 'queue-microtask';
 import FullNodeConnection from '../new/connection';