diff --git a/AgileWorks/AgileWorks/WebView/View/WebViewController.swift b/AgileWorks/AgileWorks/WebView/View/WebViewController.swift
index 811846b871f4e81da7f7e463af81dcb12826a9be..995b398286d92d5f761d9c1e66e36b7072bd19ad 100644
--- a/AgileWorks/AgileWorks/WebView/View/WebViewController.swift
+++ b/AgileWorks/AgileWorks/WebView/View/WebViewController.swift
@@ -90,6 +90,7 @@ class WebViewController: UIViewController {
         let configuration = WKWebViewConfiguration()
         configuration.userContentController = userContentController
         configuration.applicationNameForUserAgent = kCustomUserAgent
+        configuration.websiteDataStore = .nonPersistent()
         mainWebView = WKWebView(frame: self.formView.bounds, configuration: configuration)
 
         // スクロール設定