If you do not want a leave type to be available at the time of applying for leave, you can inactivate it or delete it. However, you cannot delete a leave type that has already been used to apply for leave.
At the top of your dashboard, click the module access icon > Administration > Human Resource > HR Settings > Leave Types to open the Leave Types page.
- Click Edit beside the leave type, make the necessary changes, and then click the Update button. Leave types that are inactivated are moved under the Inactive leave types list.
- Click the checkbox Inactive under Status in order to Inactivate the leave types as depicted in Fig2.
Fig 2.
- Click Delete beside the leave type you want to delete as depicted in Fig 3.
Fig 3
For more information, watch this-