Remove lines from Metatrader indicator

I have an indicator that calculates the Position Size for any given trade based on 2 horizontal lines: Entry and SL. When I remove the indicator from my charts, those 2 lines will stay on the charts. I need this fix: - When I remove the indicator from the charts, both lines should be removed automatically from the charts Watch this video to see what needs to be done in more detail: [login to view URL] This should be a very quick and easy task for any of you.