diff --git a/lib/offline/indexeddb/storage_mechanism.js b/lib/offline/indexeddb/storage_mechanism.js
index 88a2fb0afa..9019e7d4ca 100644
--- a/lib/offline/indexeddb/storage_mechanism.js
+++ b/lib/offline/indexeddb/storage_mechanism.js
@@ -368,8 +368,10 @@ shaka.offline.indexeddb.StorageMechanism.SESSION_ID_STORE = 'session-ids';
 shaka.offline.StorageMuxer.register(
     'idb',
     () => {
-      // Offline storage is not supported on the Chromecast platform.
-      if (shaka.util.Platform.isChromecast()) {
+      // Offline storage is not supported on the Chromecast or Xbox One
+      // platforms.
+      if (shaka.util.Platform.isChromecast() ||
+          shaka.util.Platform.isXboxOne()) {
         return null;
       }
       // Offline storage requires the IndexedDB API.
diff --git a/test/offline/indexeddb_storage_unit.js b/test/offline/indexeddb_storage_unit.js
index f210b9b496..40396656b4 100644
--- a/test/offline/indexeddb_storage_unit.js
+++ b/test/offline/indexeddb_storage_unit.js
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-filterDescribe('IndexeddbStorageCell', () => window.indexedDB, () => {
+filterDescribe('IndexeddbStorageCell', offlineSupported, () => {
   const IndexedDBUtils = shaka.test.IndexedDBUtils;
   const OfflineUtils = shaka.test.OfflineUtils;
   const Util = shaka.test.Util;
diff --git a/test/offline/storage_compatibility_unit.js b/test/offline/storage_compatibility_unit.js
index 8f97b4fafe..32bdb426f0 100644
--- a/test/offline/storage_compatibility_unit.js
+++ b/test/offline/storage_compatibility_unit.js
@@ -91,7 +91,7 @@ const compatibilityTestsMetadata = [
   },
 ];
 
-filterDescribe('Storage Compatibility', () => window.indexedDB, () => {
+filterDescribe('Storage Compatibility', offlineSupported, () => {
   for (const metadata of compatibilityTestsMetadata) {
     describe(metadata.name, () => {
       makeTests(metadata);
diff --git a/test/test/boot.js b/test/test/boot.js
index 999bd6f425..99e7d70259 100644
--- a/test/test/boot.js
+++ b/test/test/boot.js
@@ -242,6 +242,15 @@ window.xfilterDescribe = (describeName, cond, describeBody) => {
   window['describe'] = oldDescribe;
 };
 
+/**
+ * A very short alias for filtering offline integration tests.
+ *
+ * @return {boolean}
+ */
+window.offlineSupported = () => {
+  return shaka.offline.StorageMuxer.support();
+};
+
 /**
  * Load node modules used in testing and install them into window.
  * @return {!Promise}
diff --git a/test/test/externs/filters.js b/test/test/externs/filters.js
index 2417299ea1..28616add81 100644
--- a/test/test/externs/filters.js
+++ b/test/test/externs/filters.js
@@ -38,3 +38,7 @@ var filterDescribe = function(name, cond, callback) {};
  * @param {function()} callback
  */
 var xfilterDescribe = function(name, cond, callback) {};
+
+
+/** @return {boolean} */
+var offlineSupported = function() {};