diff --git a/tests/phpunit/tests/db.php b/tests/phpunit/tests/db.php
index a715ba822c..ac807d006a 100644
--- a/tests/phpunit/tests/db.php
+++ b/tests/phpunit/tests/db.php
@@ -379,6 +379,7 @@ class Tests_DB extends WP_UnitTestCase {
 
 	/**
 	 * @expectedIncorrectUsage wpdb::prepare
+	 * @requires PHP < 8.0
 	 */
 	function test_prepare_sprintf_invalid_args() {
 		global $wpdb;
@@ -401,6 +402,7 @@ class Tests_DB extends WP_UnitTestCase {
 
 	/**
 	 * @expectedIncorrectUsage wpdb::prepare
+	 * @requires PHP < 8.0
 	 */
 	function test_prepare_vsprintf_invalid_args() {
 		global $wpdb;
@@ -418,6 +420,7 @@ class Tests_DB extends WP_UnitTestCase {
 	 * @ticket 42040
 	 * @dataProvider data_prepare_incorrect_arg_count
 	 * @expectedIncorrectUsage wpdb::prepare
+	 * @requires PHP < 8.0
 	 */
 	public function test_prepare_incorrect_arg_count( $query, $args, $expected ) {
 		global $wpdb;