To delete a forked repository in GitHub, follow these steps:
- Click on your profile picture in the top-right corner.
- Select 'Your repositories' from the options.
- Find and click on the forked repository you want to delete.
- In the repository’s main page, click on the 'Settings' tab, usually the last tab in the row at the top.
- Scroll down to the bottom of the settings page to find the 'Danger Zone' section.
- Click on the 'Delete this repository' button.
- Click the 'I want to delete this repository' button.
- Click on the 'I have read and understand these effects' button.
- A dialog box will appear asking you to confirm the deletion. You will need to type the name of the repository as confirmation.
- Click on the 'Delete this repository' button.
- You may be prompted to enter your GitHub password to confirm the deletion.