diff --git a/inc/class-inputfactory.php b/inc/class-inputfactory.php
index b159ce11..6edca37c 100644
--- a/inc/class-inputfactory.php
+++ b/inc/class-inputfactory.php
@@ -122,7 +122,7 @@ private static function get_attributes( array $params ): string {
 	}
 
 	/**
-	 * @psalm-param HelpArgs $args
+	 * @psalm-param HelpArgs&mixed[] $args
 	 */
 	private static function render_help( array $args ): void {
 		if ( ! empty( $args['help'] ) ) {
diff --git a/inc/class-plugin.php b/inc/class-plugin.php
index 63718118..940bcaad 100644
--- a/inc/class-plugin.php
+++ b/inc/class-plugin.php
@@ -32,6 +32,7 @@ public function init(): void {
 	/**
 	 * @psalm-param array<class-string,string> $providers
 	 * @psalm-return array<class-string,string>
+	 * @psalm-suppress MoreSpecificReturnType, LessSpecificReturnStatement
 	 */
 	public function two_factor_providers( array $providers ): array {
 		$providers[ TwoFactor_Provider_WebAuthn::class ] = __DIR__ . '/class-twofactor-provider-webauthn.php';
diff --git a/inc/class-webauthn-provider.php b/inc/class-webauthn-provider.php
index e941b02a..246c2bb5 100644
--- a/inc/class-webauthn-provider.php
+++ b/inc/class-webauthn-provider.php
@@ -54,7 +54,6 @@ public function get_label() {
 	 * @return void
 	 */
 	public function authentication_page( $user ) {
-		/** @psalm-suppress UnresolvableInclude */
 		require_once ABSPATH . '/wp-admin/includes/template.php';
 
 		if ( ! is_ssl() ) {
diff --git a/stubs/wordpress.stubs.php b/stubs/wordpress.stubs.php
index 859421c3..e0095e52 100644
--- a/stubs/wordpress.stubs.php
+++ b/stubs/wordpress.stubs.php
@@ -77,4 +77,15 @@ function wp_send_json_error( $data = null, $status_code = null, $options = 0 ) {
 	 * @psalm-return never-return
 	 */
 	function wp_send_json( $response, $status_code = null, $options = 0 ) {}
+
+	/**
+	 * @param string   $id
+	 * @param string   $title
+	 * @param callable $callback
+	 * @param string   $page
+	 * @param string   $section
+	 * @psalm-param array{class?: string, label_for?: string, ...} $args
+	 * @return void
+	 */
+	function add_settings_field( $id, $title, $callback, $page, $section = 'default', $args = array() ) {}
 }