Search: How to delete or manage pending Kindle deliveries?

Trying to manage pending deliveries according to:

Amazon device support> Administering your devices, content and Amazon account>

Deliver items to your Fire or Kindle

You can deliver content from Manage your content and devices to your device or Kindle reading application.

You can deliver content to compatible devices from Manage your content and devices.

Manage your content and devices

From your computer:
1. Go to Manage your content and devices.
2. Select the title, click on Actions. [...] and then select the option to deliver the content to your Default Device or Other.
3. If you selected Other, select the device (s) or the Kindle reader applications from the drop-down menu and then select Deliver.

Note: If the title you selected is not compatible with a device, the name of the device will be grayed out in the drop-down menu.

4. Choose Deliver. Your content will be automatically sent to your device or reading application once you are connected to a wireless network.

Note: You can select Pending Deliveries in the Show drop-down menu to see titles that have not been sent to your device or the Kindle reading application.

However, I have three pending deliveries that I can not eliminate. How do I delete pending deliveries?

In the actions column there is a button with a three-point ellipse, ..., when clicking, the title of the book appears, the device to which it will be sent and the date it was sent. These three articles are from November 16, last week.