Yes I know that warnings are useful and should not be disabled and I usually correct all of them, but in XCode they mingle with my code and get on my nerves. I want to see w
First of all, it's a really bad idea: warnings exist for a reason, you really should check each of them.
There are few ways to try.
Here you can change the Selected warnings to NO by selecting the dropdown.
I hope this may help you :)