How do I delete an editorial task?

You can delete a task from editing a post or from the editorial calendar.

To delete a task within the edit post page, just hover the task you want to delete with your mouse (for instance, «Translate post»):

Editorial Task List
Screenshot of the editorial task box. It contains a list with all the tasks (completed, pending, and overdue) that are related to the current post.

so that available actions become visible:

Editorial Task Actions
While editing a post, hover over an editorial task with your mouse to reveal which actions are available.

The only possible action for a task—besides completing itis removing the task. Click on the Trash icon to delete the task.

From the editorial calendar, you can also delete an editorial task. To do so, simply select the task you want to delete from the calendar and drag it to the trash.

To delete a task, select it in the calendar and drag it to the bin.
To delete a task, select it in the calendar and drag it to the bin.

And that’s it, that task will have been deleted.