diff --git a/Helper/ImagePicker.swift b/Helper/ImagePicker.swift
deleted file mode 100644
index c29fa0a..0000000
--- a/Helper/ImagePicker.swift
+++ /dev/null
@@ -1,82 +0,0 @@
-//
-//  ImagePicker.swift
-//
-//  Created by JungpyoHong on 4/21/21.
-//
-
-import UIKit
-
-public protocol ImagePickerDelegate: AnyObject {
-    func didSelect(image: UIImage?)
-}
-
-open class ImagePicker: NSObject {
-    
-    private let imagePicker: UIImagePickerController
-    private weak var presentationController: UIViewController?
-    private weak var delegate: ImagePickerDelegate?
-    
-    public init(presentationController: UIViewController, delegate: ImagePickerDelegate) {
-        self.imagePicker = UIImagePickerController()
-        
-        super.init()
-        
-        self.presentationController = presentationController
-        self.delegate = delegate
-        self.imagePicker.delegate = self
-        self.imagePicker.allowsEditing = true
-        self.imagePicker.mediaTypes = ["public.image"]
-    }
-    
-    private func action(for type: UIImagePickerController.SourceType, title: String) -> UIAlertAction? {
-        guard UIImagePickerController.isSourceTypeAvailable(type) else {
-            return nil
-        }
-        
-        return UIAlertAction(title: title, style: .default) { [weak self] _ in
-            self?.imagePicker.sourceType = type
-            self?.presentationController?.present(self?.imagePicker ?? UIImagePickerController(), animated: true)
-        }
-    }
-    
-    public func present(from sourceView: UIView) {
-        
-        let alertController = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
-        if let action = self.action(for: .camera, title: "Take photo") {
-            alertController.addAction(action)
-        }
-        if let action = self.action(for: .savedPhotosAlbum, title: "Camera roll") {
-            alertController.addAction(action)
-        }
-        if let action = self.action(for: .photoLibrary, title: "Photo library") {
-            alertController.addAction(action)
-        }
-        
-        alertController.addAction(UIAlertAction(title: "Cancel", style: .cancel, handler: nil))
-        self.presentationController?.present(alertController, animated: true)
-    }
-    
-    private func pickerController(_ controller: UIImagePickerController, didSelect image: UIImage?) {
-        controller.dismiss(animated: true, completion: nil)
-        
-        self.delegate?.didSelect(image: image)
-    }
-}
-
-extension ImagePicker: UIImagePickerControllerDelegate {
-    
-    public func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
-        self.pickerController(picker, didSelect: nil)
-    }
-    
-    public func imagePickerController(_ picker: UIImagePickerController,
-                                      didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey: Any]) {
-        guard let image = info[.editedImage] as? UIImage else {
-            return self.pickerController(picker, didSelect: nil)
-        }
-        self.pickerController(picker, didSelect: image)
-    }
-}
-
-extension ImagePicker: UINavigationControllerDelegate {
-}