diff --git a/tests/phpunit/tests/locale.php b/tests/phpunit/tests/locale.php
index 4788d57d90..9790ca14bf 100644
--- a/tests/phpunit/tests/locale.php
+++ b/tests/phpunit/tests/locale.php
@@ -15,11 +15,6 @@ class Tests_Locale extends WP_UnitTestCase {
 		$this->locale = new WP_Locale();
 	}
 
-	public function test_rtl_src_admin_notice() {
-		$this->expectOutputRegex( '#<div class="error"><p>.*</p></div>#' );
-		$this->locale->rtl_src_admin_notice();
-	}
-
 	public function test_get_weekday() {
 		$this->assertEquals( __( 'Sunday' ), $this->locale->get_weekday( 0 ) );
 		$this->assertEquals( __( 'Monday' ), $this->locale->get_weekday( 1 ) );