diff --git a/ImageEditor/HFImageEditorViewController.m b/ImageEditor/HFImageEditorViewController.m
index b23a5b4..2913652 100644
--- a/ImageEditor/HFImageEditorViewController.m
+++ b/ImageEditor/HFImageEditorViewController.m
@@ -11,7 +11,6 @@
 static const CGFloat kPreviewImageSize = 120;
 static const CGFloat kDefaultCropWidth = 320;
 static const CGFloat kDefaultCropHeight = 320;
-static const CGFloat kBoundingBoxInset = 15;
 static const NSTimeInterval kAnimationIntervalReset = 0.25;
 static const NSTimeInterval kAnimationIntervalTransform = 0.2;