diff --git a/tests/phpunit/tests/theme/wpThemeJson.php b/tests/phpunit/tests/theme/wpThemeJson.php
index dbb82482fe440..811fd8a9ffd3c 100644
--- a/tests/phpunit/tests/theme/wpThemeJson.php
+++ b/tests/phpunit/tests/theme/wpThemeJson.php
@@ -5271,12 +5271,7 @@ public function test_get_resolved_background_image_styles() {
 						'core/group'        => array(
 							'background' => array(
 								'backgroundImage' => array(
-									/*
-									 * Merged theme.json and global styles retain the "ref" value,
-									 * even though the URL is provided in the global styles.
-									 */
 									'id'  => 123,
-									'ref' => 'styles.background.backgroundImage',
 									'url' => 'http://example.org/group.png',
 								),
 							),