diff --git a/Demo/AppDelegate.swift b/Demo/AppDelegate.swift
index 07330e2..b54a001 100644
--- a/Demo/AppDelegate.swift
+++ b/Demo/AppDelegate.swift
@@ -29,8 +29,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
     var window: UIWindow?
 
-
-    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey : Any]? = nil) -> Bool {
         // Override point for customization after application launch.
         return true
     }
diff --git a/Demo/ViewController.swift b/Demo/ViewController.swift
index 5eda373..01e8979 100644
--- a/Demo/ViewController.swift
+++ b/Demo/ViewController.swift
@@ -29,9 +29,9 @@ class ViewController: UICollectionViewController {
 
     var colors: [UIColor]!
     
-    private var count = 99
-    private var hue: Hue = .random
-    private var luminosity: Luminosity = .light
+    fileprivate var count = 99
+    fileprivate var hue: Hue = .random
+    fileprivate var luminosity: Luminosity = .light
     
     //MARK: Life cycle
     override func viewDidLoad() {
@@ -41,7 +41,7 @@ class ViewController: UICollectionViewController {
     }
     
     //MARK: Segue Transition
-    override func prepare(for segue: UIStoryboardSegue, sender: AnyObject?) {
+    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
         if segue.identifier == "showSetting" {
             let settingVC = (segue.destination as! UINavigationController).topViewController as! SettingViewController
             settingVC.delegate = self
diff --git a/RandomColorSwift.xcodeproj/project.pbxproj b/RandomColorSwift.xcodeproj/project.pbxproj
index efb6355..882411b 100644
--- a/RandomColorSwift.xcodeproj/project.pbxproj
+++ b/RandomColorSwift.xcodeproj/project.pbxproj
@@ -645,6 +645,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CLANG_ENABLE_MODULES = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
 				CURRENT_PROJECT_VERSION = 1;
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
@@ -671,6 +672,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CLANG_ENABLE_MODULES = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
 				CURRENT_PROJECT_VERSION = 1;
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;