--- a/testing/marionette/client/marionette/tests/unit/test_window_title.py
+++ b/testing/marionette/client/marionette/tests/unit/test_window_title.py
@@ -1,15 +1,15 @@
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-from marionette import MarionetteTestCase
+from marionette.marionette_test import MarionetteTestCase, skip_if_b2g
 
-#TODO use @skip_if_b2g when Bug 875921 is fixed
+@skip_if_b2g
 class TestTitleChrome(MarionetteTestCase):
     def setUp(self):
         MarionetteTestCase.setUp(self)
         self.marionette.set_context("chrome")
         self.win = self.marionette.current_window_handle
         self.marionette.execute_script("window.open('chrome://marionette/content/test.xul', 'foo', 'chrome,centerscreen');")
         self.marionette.switch_to_window('foo')
         self.assertNotEqual(self.win, self.marionette.current_window_handle)
@@ -25,9 +25,8 @@ class TestTitleChrome(MarionetteTestCase
         self.assertEqual(title, self.marionette.title)
         self.assertEqual('Title Test', self.marionette.title)
 
 class TestTitle(MarionetteTestCase):
     def test_get_html_title(self):
         test_html = self.marionette.absolute_url("test.html")
         self.marionette.navigate(test_html)
         self.assertEqual('Marionette Test', self.marionette.title)
-

--- a/testing/marionette/client/marionette/tests/unit/unit-tests.ini
+++ b/testing/marionette/client/marionette/tests/unit/unit-tests.ini
@@ -119,16 +119,17 @@ b2g = false
 b2g = false
 
 [test_appcache.py]
 [test_screenshot.py]
 [test_cookies.py]
 b2g = false
 [test_window_title.py]
 [test_window_type.py]
+b2g = false
 [test_implicit_waits.py]
 [test_wait.py]
 [test_expected.py]
 [test_date_time_value.py]
 [test_getactiveframe_oop.py]
 disabled = "Bug 925688"
 b2g = false
 [test_submit.py]
@@ -147,8 +148,9 @@ skip-if = os == "linux" # Bug 1085717
 [test_with_using_context.py]
 
 [test_modal_dialogs.py]
 b2g = false
 [test_key_actions.py]
 [test_mouse_action.py]
 b2g = false
 [test_teardown_context_preserved.py]
+b2g = false