diff --git a/UIViewController-Transitions-Example/TLTransitionAnimator.m b/UIViewController-Transitions-Example/TLTransitionAnimator.m
index b8dded1..6deaffe 100644
--- a/UIViewController-Transitions-Example/TLTransitionAnimator.m
+++ b/UIViewController-Transitions-Example/TLTransitionAnimator.m
@@ -25,7 +25,6 @@ - (void)animateTransition:(id <UIViewControllerContextTransitioning>)transitionC
     if (self.presenting) {
         fromViewController.view.userInteractionEnabled = NO;
         
-        [transitionContext.containerView addSubview:fromViewController.view];
         [transitionContext.containerView addSubview:toViewController.view];
         
         CGRect startFrame = endFrame;
@@ -43,9 +42,6 @@ - (void)animateTransition:(id <UIViewControllerContextTransitioning>)transitionC
     else {
         toViewController.view.userInteractionEnabled = YES;
         
-        [transitionContext.containerView addSubview:toViewController.view];
-        [transitionContext.containerView addSubview:fromViewController.view];
-        
         endFrame.origin.x += 320;
         
         [UIView animateWithDuration:[self transitionDuration:transitionContext] animations:^{