1
Start by navigating to your repository.
2
Click the tab labeled Pull requests.
3
Select the pull request from the options on the list.
4
Next, hit Mark As to open a dropdown menu.
5
Select "Closed" to move the pull request out of Open status.
6
Next, click "Closed" near the top of the list of pull requests.
7
Locate the pull request you want to delete and check the box next to it.
8
Open the pull request by clicking on the file name.
9
Finally, hit "Delete branch" to remove the pull request completely. Voila! You have successfully deleted a pull request.
