diff --git a/src/wp-includes/class-wp-roles.php b/src/wp-includes/class-wp-roles.php
index f829d8146a..23e05d7b1b 100644
--- a/src/wp-includes/class-wp-roles.php
+++ b/src/wp-includes/class-wp-roles.php
@@ -149,7 +149,7 @@ class WP_Roles {
 	 * @access public
 	 */
 	public function reinit() {
-		__deprecated_function( __METHOD__, '4.7.0', 'new WP_Roles()' );
+		_deprecated_function( __METHOD__, '4.7.0', 'new WP_Roles()' );
 		$this->_init();
 	}
 
diff --git a/tests/phpunit/tests/user/capabilities.php b/tests/phpunit/tests/user/capabilities.php
index 0948d88e75..8ed2c65857 100644
--- a/tests/phpunit/tests/user/capabilities.php
+++ b/tests/phpunit/tests/user/capabilities.php
@@ -1654,4 +1654,13 @@ class Tests_User_Capabilities extends WP_UnitTestCase {
 	public function _hook_wp_roles_init( $wp_roles ) {
 		$wp_roles->add_role( $this->_role_test_wp_roles_init['role'], $this->_role_test_wp_roles_init['info']['name'], $this->_role_test_wp_roles_init['info']['capabilities'] );
 	}
+
+	/**
+	 * @ticket 23016
+	 * @expectedDeprecated WP_Roles::reinit
+	 */
+	public function test_wp_roles_reinit_deprecated() {
+		$wp_roles = new WP_Roles();
+		$wp_roles->reinit();
+	}
 }