To delete a tag, use the `-d` or `--delete` option:  
```bash
>>> huggingface-cli tag -d Wauplin/my-cool-model v1.0
You are about to delete tag v1.0 on model Wauplin/my-cool-model
Proceed? [Y/n] y
Tag v1.0 deleted on Wauplin/my-cool-model
```  
You can also pass `-y` to skip the confirmation step.