If you do not need to use a Key store anymore, you can delete it from the "Key stores" list.
Follow the instructions below to delete a Key store.
1. Log on to the Gadget Server Management Console.
2. Click the "Configure" menu and select "Key Stores."
3. The "Key Store Management" page appears. Click on the "Delete" link associated with a certain Key store.
4. Confirm your request.
You can't undo this operation once performed.
wso2carbon.jks Key store cannot be deleted.