How to delete table cells in LibreOffice Writer

To delete cells the only option is removing its borders. Here I have a table from which I want to remove three of the top cells that are leftover:

To do this, click on the Borders button that appears below when we select the table cells we want to delete and then click on No Borders, as I do in the following image:

In case you get lost, here is also a video demonstration:

Here is the result: