diff --git a/lib/jsdom/browser/Window.js b/lib/jsdom/browser/Window.js
index 9b2d75f55050f865382e2f0e8a88f066e0bff2da..d4a635da8eae02eaf0543693356f1252f8b6bac0 100644
--- a/lib/jsdom/browser/Window.js
+++ b/lib/jsdom/browser/Window.js
@@ -24,7 +24,6 @@ const External = require("../living/generated/External");
 const Navigator = require("../living/generated/Navigator");
 const Performance = require("../living/generated/Performance");
 const Screen = require("../living/generated/Screen");
-const Storage = require("../living/generated/Storage");
 const Selection = require("../living/generated/Selection");
 const reportException = require("../living/helpers/runtime-script-errors");
 const { getCurrentEventHandlerValue } = require("../living/helpers/create-event-accessor.js");
@@ -285,40 +284,6 @@ function Window(options) {
   this._pretendToBeVisual = options.pretendToBeVisual;
   this._storageQuota = options.storageQuota;
 
-  // Some properties (such as localStorage and sessionStorage) share data
-  // between windows in the same origin. This object is intended
-  // to contain such data.
-  if (options.commonForOrigin && options.commonForOrigin[documentOrigin]) {
-    this._commonForOrigin = options.commonForOrigin;
-  } else {
-    this._commonForOrigin = {
-      [documentOrigin]: {
-        localStorageArea: new Map(),
-        sessionStorageArea: new Map(),
-        windowsInSameOrigin: [this]
-      }
-    };
-  }
-
-  this._currentOriginData = this._commonForOrigin[documentOrigin];
-
-  // ### WEB STORAGE
-
-  this._localStorage = Storage.create(window, [], {
-    associatedWindow: this,
-    storageArea: this._currentOriginData.localStorageArea,
-    type: "localStorage",
-    url: this._document.documentURI,
-    storageQuota: this._storageQuota
-  });
-  this._sessionStorage = Storage.create(window, [], {
-    associatedWindow: this,
-    storageArea: this._currentOriginData.sessionStorageArea,
-    type: "sessionStorage",
-    url: this._document.documentURI,
-    storageQuota: this._storageQuota
-  });
-
   // ### SELECTION
 
   // https://w3c.github.io/selection-api/#dfn-selection
@@ -416,26 +381,6 @@ function Window(options) {
         configurable: true
       });
     },
-    get localStorage() {
-      if (idlUtils.implForWrapper(this._document)._origin === "null") {
-        throw DOMException.create(window, [
-          "localStorage is not available for opaque origins",
-          "SecurityError"
-        ]);
-      }
-
-      return this._localStorage;
-    },
-    get sessionStorage() {
-      if (idlUtils.implForWrapper(this._document)._origin === "null") {
-        throw DOMException.create(window, [
-          "sessionStorage is not available for opaque origins",
-          "SecurityError"
-        ]);
-      }
-
-      return this._sessionStorage;
-    },
     get customElements() {
       return customElementRegistry;
     },