I am using ARC successfully in my project. However, I have encountered a few files (e.g., in unit tests and mock objects) where the rules of ARC are a little more fragile ri
GO to App -> then Targets -> Build Phases -> Compile Source
Now, Select the file in which you want to disable ARC
paste this snippet "-fno-objc-arc" After pasting press ENTER
in each file where you want to disable ARC.