diff --git a/tests/phpunit/tests/customize/manager.php b/tests/phpunit/tests/customize/manager.php
index 16d1e4a615..c141e38ff5 100644
--- a/tests/phpunit/tests/customize/manager.php
+++ b/tests/phpunit/tests/customize/manager.php
@@ -2026,15 +2026,6 @@ class Tests_WP_Customize_Manager extends WP_UnitTestCase {
 		return $setting_class;
 	}
 
-	/**
-	 * Test is_ios() method.
-	 *
-	 * @see WP_Customize_Manager::is_ios()
-	 */
-	function test_is_ios() {
-		$this->markTestSkipped( 'WP_Customize_Manager::is_ios() cannot be tested because it uses wp_is_mobile() which contains a static var.' );
-	}
-
 	/**
 	 * Test get_document_title_template() method.
 	 *