 public let SKPHOTO_LOADING_DID_END_NOTIFICATION = "photoLoadingDidEndNotification"
 
 // MARK: - SKPhotoBrowser
-public class SKPhotoBrowser: UIViewController, UIScrollViewDelegate, UIActionSheetDelegate {
+public class SKPhotoBrowser: UIViewController, UIScrollViewDelegate {
     
     final let pageIndexTagOffset: Int = 1000
     // animation property

        
        if numberOfPhotos > 0 && photo.underlyingImage != nil {
            if let titles = actionButtonTitles {
                actionSheet = UIActionSheet()
                actionSheet.delegate = self
                for actionTitle in titles {
                    actionSheet.addButtonWithTitle(actionTitle)
                }
                actionSheet.cancelButtonIndex = actionSheet.addButtonWithTitle("Cancel")
                actionSheet.actionSheetStyle = .BlackTranslucent
                if UI_USER_INTERFACE_IDIOM() == .Phone {
                    actionSheet.showInView(view)
                } else {
                    actionSheet.showFromBarButtonItem(toolActionButton, animated: true)
                }
            } else {
                var activityItems: [AnyObject] = [photo.underlyingImage]

    public var displayDeleteButton = false

    // actions
    private var activityViewController: UIActivityViewController!
    
    // tool for controls
