Recently I was integrating the new google sign in SDK into my project. https://developers.google.com/identity/sign-in/ios/sdk This was a new version and I was integrating it after a couple of months. I followed the usual, and when I compiled my project, I started getting these compile errors. duplicate symbol ‘OBJC_IVAR$_GTMAppAuthFetcherAuthorizationArgs.request’ in: pathInBuildDebug.build/Objects-normal/arm64/GTMAppAuthFetcherAuthorization.o pathInGoogleFolder/GoogleSignInDependencies.framework/GoogleSignInDependencies(GTMAppAuthFetcherAuthorization_8eb40aa9262502d90d50b6a28bea1d68.o) duplicate symbol ‘_OBJC_IVAR$_GTMAppAuthFetcherAuthorization._shouldAuthorizeAllRequests’ in: