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
Select your project and select your target and show Build Phases. Search the name of the file in which you want to hide, and you should see it listed in the Compile Sources phase. Double-click in the Compiler Flags column for that file and enter -w to turn off all warnings for that file. Hope it will help you.