diff --git a/src/lib/message/_/_delete-message.ts b/src/lib/message/_/_delete-message.ts
index 35a1a476..2b4bd22d 100644
--- a/src/lib/message/_/_delete-message.ts
+++ b/src/lib/message/_/_delete-message.ts
@@ -28,6 +28,24 @@ export function _deleteMessage(
   const keys: string[] = [];
   const argv: (string | number)[] = [];
   const ids = typeof messageId === 'string' ? [messageId] : messageId;
+  const { keyScheduledMessages, keyDelayedMessages, keyRequeueMessages } =
+    redisKeys.getMainKeys();
+  keys.push(keyScheduledMessages, keyDelayedMessages, keyRequeueMessages);
+  argv.push(
+    EQueueProperty.QUEUE_TYPE,
+    EQueueProperty.MESSAGES_COUNT,
+    EQueueType.PRIORITY_QUEUE,
+    EQueueType.LIFO_QUEUE,
+    EQueueType.FIFO_QUEUE,
+    EMessageProperty.STATUS,
+    EMessagePropertyStatus.PROCESSING,
+    EMessagePropertyStatus.ACKNOWLEDGED,
+    EMessagePropertyStatus.PENDING,
+    EMessagePropertyStatus.SCHEDULED,
+    EMessagePropertyStatus.DEAD_LETTERED,
+    EMessagePropertyStatus.UNACK_DELAYING,
+    EMessagePropertyStatus.UNACK_REQUEUING,
+  );
   async.each(
     ids,
     (id, _, done) => {
@@ -46,16 +64,8 @@ export function _deleteMessage(
             message.getDestinationQueue(),
             message.getConsumerGroupId(),
           );
-          const {
-            keyScheduledMessages,
-            keyDelayedMessages,
-            keyRequeueMessages,
-          } = redisKeys.getMainKeys();
           const { keyMessage } = redisKeys.getMessageKeys(id);
           keys.push(
-            keyScheduledMessages,
-            keyDelayedMessages,
-            keyRequeueMessages,
             keyMessage,
             keyQueueProperties,
             keyQueuePending,
@@ -64,22 +74,7 @@ export function _deleteMessage(
             keyQueueScheduled,
             keyQueuePriorityPending,
           );
-          argv.push(
-            EQueueProperty.QUEUE_TYPE,
-            EQueueProperty.MESSAGES_COUNT,
-            EQueueType.PRIORITY_QUEUE,
-            EQueueType.LIFO_QUEUE,
-            EQueueType.FIFO_QUEUE,
-            EMessageProperty.STATUS,
-            EMessagePropertyStatus.PROCESSING,
-            EMessagePropertyStatus.ACKNOWLEDGED,
-            EMessagePropertyStatus.PENDING,
-            EMessagePropertyStatus.SCHEDULED,
-            EMessagePropertyStatus.DEAD_LETTERED,
-            EMessagePropertyStatus.UNACK_DELAYING,
-            EMessagePropertyStatus.UNACK_REQUEUING,
-            id,
-          );
+          argv.push(id);
           done();
         }
       });
diff --git a/tests/common/message-producing-consuming.ts b/tests/common/message-producing-consuming.ts
index bb6234ea..bd7f54f5 100644
--- a/tests/common/message-producing-consuming.ts
+++ b/tests/common/message-producing-consuming.ts
@@ -34,6 +34,7 @@ export const defaultQueue: IQueueParams = {
 
 export async function produceAndAcknowledgeMessage(
   queue: IQueueParams = defaultQueue,
+  autoShutdown = false,
 ) {
   const producer = getProducer();
   await producer.runAsync();
@@ -49,11 +50,18 @@ export async function produceAndAcknowledgeMessage(
 
   consumer.run(() => void 0);
   await untilMessageAcknowledged(consumer);
+
+  if (autoShutdown) {
+    await producer.shutdownAsync();
+    await consumer.shutdownAsync();
+  }
+
   return { producer, consumer, queue, messageId };
 }
 
 export async function produceAndDeadLetterMessage(
   queue: IQueueParams = defaultQueue,
+  autoShutdown = false,
 ) {
   const producer = getProducer();
   await producer.runAsync();
@@ -71,6 +79,12 @@ export async function produceAndDeadLetterMessage(
 
   consumer.run(() => void 0);
   await untilMessageDeadLettered(consumer);
+
+  if (autoShutdown) {
+    await producer.shutdownAsync();
+    await consumer.shutdownAsync();
+  }
+
   return { producer, consumer, messageId, queue };
 }
 
diff --git a/tests/tests/deleting-messages/test00006.test.ts b/tests/tests/deleting-messages/test00006.test.ts
new file mode 100644
index 00000000..3ae8eaba
--- /dev/null
+++ b/tests/tests/deleting-messages/test00006.test.ts
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c)
+ * Weyoss <weyoss@protonmail.com>
+ * https://github.com/weyoss
+ *
+ * This source code is licensed under the MIT license found in the LICENSE file
+ * in the root directory of this source tree.
+ */
+
+import { test, expect } from '@jest/globals';
+import { getMessage } from '../../common/message.js';
+import {
+  createQueue,
+  defaultQueue,
+  produceMessage,
+} from '../../common/message-producing-consuming.js';
+import { getQueuePendingMessages } from '../../common/queue-pending-messages.js';
+
+test('Combined test: Delete pending messages by IDs. Check pending messages. Check queue metrics.', async () => {
+  await createQueue(defaultQueue, false);
+  const { messageId: msg1 } = await produceMessage();
+  const { messageId: msg2 } = await produceMessage();
+  const ids = [msg1, msg2].sort((a, b) => (a > b ? 1 : -1));
+
+  const pendingMessages = await getQueuePendingMessages();
+
+  const res1 = await pendingMessages.getMessagesAsync(defaultQueue, 0, 100);
+  expect(res1.totalItems).toBe(2);
+  const items = res1.items.map((i) => i.id).sort((a, b) => (a > b ? 1 : -1));
+  expect(items).toEqual(ids);
+
+  const count = await pendingMessages.countMessagesAsync(defaultQueue);
+  expect(count).toBe(2);
+
+  const message = await getMessage();
+  await message.deleteMessagesByIdsAsync([msg1, msg2]);
+
+  const res2 = await pendingMessages.getMessagesAsync(defaultQueue, 0, 100);
+  expect(res2.totalItems).toBe(0);
+  expect(res2.items.length).toBe(0);
+
+  const count2 = await pendingMessages.countMessagesAsync(defaultQueue);
+  expect(count2).toBe(0);
+});
diff --git a/tests/tests/deleting-messages/test00007.test.ts b/tests/tests/deleting-messages/test00007.test.ts
new file mode 100644
index 00000000..6a023fe5
--- /dev/null
+++ b/tests/tests/deleting-messages/test00007.test.ts
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c)
+ * Weyoss <weyoss@protonmail.com>
+ * https://github.com/weyoss
+ *
+ * This source code is licensed under the MIT license found in the LICENSE file
+ * in the root directory of this source tree.
+ */
+
+import { test, expect } from '@jest/globals';
+import { getMessage } from '../../common/message.js';
+import {
+  createQueue,
+  defaultQueue,
+  produceAndAcknowledgeMessage,
+} from '../../common/message-producing-consuming.js';
+import { getQueueAcknowledgedMessages } from '../../common/queue-acknowledged-messages.js';
+
+test('Combined test: Delete acknowledged messages by IDs. Check acknowledged messages. Check queue metrics.', async () => {
+  await createQueue(defaultQueue, false);
+  const { messageId: msg1 } = await produceAndAcknowledgeMessage(
+    defaultQueue,
+    true,
+  );
+  const { messageId: msg2 } = await produceAndAcknowledgeMessage(
+    defaultQueue,
+    true,
+  );
+  const ids = [msg1, msg2].sort((a, b) => (a > b ? 1 : -1));
+
+  const acknowledgedMessages = await getQueueAcknowledgedMessages();
+
+  const res1 = await acknowledgedMessages.getMessagesAsync(
+    defaultQueue,
+    0,
+    100,
+  );
+  expect(res1.totalItems).toBe(2);
+  const items = res1.items.map((i) => i.id).sort((a, b) => (a > b ? 1 : -1));
+  expect(items).toEqual(ids);
+
+  const count = await acknowledgedMessages.countMessagesAsync(defaultQueue);
+  expect(count).toBe(2);
+
+  const message = await getMessage();
+  await message.deleteMessagesByIdsAsync([msg1, msg2]);
+
+  const res2 = await acknowledgedMessages.getMessagesAsync(
+    defaultQueue,
+    0,
+    100,
+  );
+  expect(res2.totalItems).toBe(0);
+  expect(res2.items.length).toBe(0);
+
+  const count2 = await acknowledgedMessages.countMessagesAsync(defaultQueue);
+  expect(count2).toBe(0);
+});
diff --git a/tests/tests/deleting-messages/test00008.test.ts b/tests/tests/deleting-messages/test00008.test.ts
new file mode 100644
index 00000000..5ef31965
--- /dev/null
+++ b/tests/tests/deleting-messages/test00008.test.ts
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c)
+ * Weyoss <weyoss@protonmail.com>
+ * https://github.com/weyoss
+ *
+ * This source code is licensed under the MIT license found in the LICENSE file
+ * in the root directory of this source tree.
+ */
+
+import { test, expect } from '@jest/globals';
+import { getMessage } from '../../common/message.js';
+import {
+  createQueue,
+  defaultQueue,
+  produceAndDeadLetterMessage,
+} from '../../common/message-producing-consuming.js';
+import { getQueueDeadLetteredMessages } from '../../common/queue-dead-lettered-messages.js';
+
+test('Combined test: Delete dead-lettered messages by IDs. Check dead-lettered messages. Check queue metrics.', async () => {
+  await createQueue(defaultQueue, false);
+  const { messageId: msg1 } = await produceAndDeadLetterMessage(
+    defaultQueue,
+    true,
+  );
+  const { messageId: msg2 } = await produceAndDeadLetterMessage(
+    defaultQueue,
+    true,
+  );
+  const ids = [msg1, msg2].sort((a, b) => (a > b ? 1 : -1));
+
+  const deadLetteredMessages = await getQueueDeadLetteredMessages();
+
+  const res1 = await deadLetteredMessages.getMessagesAsync(
+    defaultQueue,
+    0,
+    100,
+  );
+  expect(res1.totalItems).toBe(2);
+  const items = res1.items.map((i) => i.id).sort((a, b) => (a > b ? 1 : -1));
+  expect(items).toEqual(ids);
+
+  const count = await deadLetteredMessages.countMessagesAsync(defaultQueue);
+  expect(count).toBe(2);
+
+  const message = await getMessage();
+  await message.deleteMessagesByIdsAsync([msg1, msg2]);
+
+  const res2 = await deadLetteredMessages.getMessagesAsync(
+    defaultQueue,
+    0,
+    100,
+  );
+  expect(res2.totalItems).toBe(0);
+  expect(res2.items.length).toBe(0);
+
+  const count2 = await deadLetteredMessages.countMessagesAsync(defaultQueue);
+  expect(count2).toBe(0);
+});
diff --git a/tests/tests/deleting-messages/test00009.test.ts b/tests/tests/deleting-messages/test00009.test.ts
new file mode 100644
index 00000000..64b2203b
--- /dev/null
+++ b/tests/tests/deleting-messages/test00009.test.ts
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c)
+ * Weyoss <weyoss@protonmail.com>
+ * https://github.com/weyoss
+ *
+ * This source code is licensed under the MIT license found in the LICENSE file
+ * in the root directory of this source tree.
+ */
+
+import { test, expect } from '@jest/globals';
+import { getMessage } from '../../common/message.js';
+import {
+  createQueue,
+  defaultQueue,
+  scheduleMessage,
+} from '../../common/message-producing-consuming.js';
+import { getQueueScheduledMessages } from '../../common/queue-scheduled-messages.js';
+
+test('Combined test: Delete scheduled messages by IDs. Check scheduled messages. Check queue metrics.', async () => {
+  await createQueue(defaultQueue, false);
+
+  const { messageId: msg1 } = await scheduleMessage();
+  const { messageId: msg2 } = await scheduleMessage();
+  const ids = [msg1, msg2].sort((a, b) => (a > b ? 1 : -1));
+
+  const scheduledMessages = await getQueueScheduledMessages();
+
+  const res1 = await scheduledMessages.getMessagesAsync(defaultQueue, 0, 100);
+  expect(res1.totalItems).toBe(2);
+  const items = res1.items.map((i) => i.id).sort((a, b) => (a > b ? 1 : -1));
+  expect(items).toEqual(ids);
+
+  const count = await scheduledMessages.countMessagesAsync(defaultQueue);
+  expect(count).toBe(2);
+
+  const message = await getMessage();
+  await message.deleteMessagesByIdsAsync([msg1, msg2]);
+
+  const res2 = await scheduledMessages.getMessagesAsync(defaultQueue, 0, 100);
+  expect(res2.totalItems).toBe(0);
+  expect(res2.items.length).toBe(0);
+
+  const count2 = await scheduledMessages.countMessagesAsync(defaultQueue);
+  expect(count2).toBe(0);
+});
diff --git a/tests/tests/deleting-messages/test00010.test.ts b/tests/tests/deleting-messages/test00010.test.ts
new file mode 100644
index 00000000..c870139c
--- /dev/null
+++ b/tests/tests/deleting-messages/test00010.test.ts
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c)
+ * Weyoss <weyoss@protonmail.com>
+ * https://github.com/weyoss
+ *
+ * This source code is licensed under the MIT license found in the LICENSE file
+ * in the root directory of this source tree.
+ */
+
+import { expect, test } from '@jest/globals';
+import { EQueueType } from '../../../src/lib/queue/types/queue.js';
+import {
+  createQueue,
+  defaultQueue,
+  produceMessageWithPriority,
+} from '../../common/message-producing-consuming.js';
+import { getMessage } from '../../common/message.js';
+import { getQueuePendingMessages } from '../../common/queue-pending-messages.js';
+
+test('Combined test: Delete pending priority messages by IDs. Check pending priority messages. Check queue metrics.', async () => {
+  await createQueue(defaultQueue, EQueueType.PRIORITY_QUEUE);
+  const { messageId: msg1 } = await produceMessageWithPriority();
+  const { messageId: msg2 } = await produceMessageWithPriority();
+  const ids = [msg1, msg2].sort((a, b) => (a > b ? 1 : -1));
+
+  const pendingMessages = await getQueuePendingMessages();
+
+  const res1 = await pendingMessages.getMessagesAsync(defaultQueue, 0, 100);
+  expect(res1.totalItems).toBe(2);
+  const items = res1.items.map((i) => i.id).sort((a, b) => (a > b ? 1 : -1));
+  expect(items).toEqual(ids);
+  const count = await pendingMessages.countMessagesAsync(defaultQueue);
+  expect(count).toBe(2);
+
+  const message = await getMessage();
+  await message.deleteMessagesByIdsAsync([msg1, msg2]);
+
+  const res2 = await pendingMessages.getMessagesAsync(defaultQueue, 0, 100);
+  expect(res2.totalItems).toBe(0);
+  expect(res2.items.length).toBe(0);
+
+  const count2 = await pendingMessages.countMessagesAsync(defaultQueue);
+  expect(count2).toBe(0);
+});