UIActivityViewController memory leaks

ViewController

import UIKit

class ViewController: UIViewController {

    
    @IBAction func hayatiShare(sender: AnyObject) {
        
         if let textLink = NSURL(string: "http://www.google.com.tr") {
            
            let textToShare = "≪ Hayata Dair Paylaşımlar ≫ \r\n \r\nArama motorunu kullanıp inceleyin: \(textLink)"
            
            let activityVC = UIActivityViewController(activityItems: [textToShare], applicationActivities: nil)
            
            activityVC.setValue("Uygulama", forKey: "subject")
                
                self.presentViewController(activityVC, animated: true, completion: nil)
            
        }
       
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }

}