diff --git a/Header.h b/Header.h
index 350de15..01826e4 100644
--- a/Header.h
+++ b/Header.h
@@ -77,6 +77,15 @@
 @property (nonatomic, assign, readwrite) BOOL enableSnapToChapter;
 @end
 
+// SponsorBlock button in Nav bar
+@interface MDCButton : UIButton
+@end
+
+@interface YTRightNavigationButtons : UIView
+@property YTQTMButton *notificationButton;
+@property YTQTMButton *sponsorBlockButton;
+@end
+
 // IAmYouTube
 @interface SSOConfiguration : NSObject
 @end
diff --git a/Source/Settings.xm b/Source/Settings.xm
index 16fa53c..73b4310 100644
--- a/Source/Settings.xm
+++ b/Source/Settings.xm
@@ -15,6 +15,9 @@ static int GetSelection(NSString *key) {
 static int colorContrastMode() {
     return [[NSUserDefaults standardUserDefaults] integerForKey:@"lcmColor"];
 }
+static int appVersionSpoofer() {
+    return [[NSUserDefaults standardUserDefaults] integerForKey:@"versionSpoofer"];
+}
 static const NSInteger YTLitePlusSection = 500;
 
 @interface YTSettingsSectionItemManager (YTLitePlus)