How to remove Report Server Web Service URLs from Reporting Service Configuration Manager

To start with, I am completely new to SSRS reporting. Please excuse me if I miss any basic details here. I am trying to create a reporting service. Accidently, I have selected an existing Report Server Web Service Site Identification. Now I have 2 Web service URLs. HTTP and one HTTPS I want to remove the HTTPS URL. But I am not getting any option to do that. To have a clear picture, I am adding the images below. Kindly help.