Defect class hide

Dear friends,

I want to hide the defet class for all notification types. I am trying in SPRO-notification types-define screen templates-general screen. I have select radio button as hide for defect location (VIQMFE-FEQKLAS) and (RIWO00-TXTCDOT).

But when i am trying to create the notfication type it is allowing the values. It is not hiding. Please help me what is the process how cn i hide this defect location.

Regards,

Anitha