Disable Password Reset

// Disable Password Reset Functionality

function disable_password_reset() {

    return false;

}

add_filter('allow_password_reset', 'disable_password_reset');   

// Remove "Lost Your Password?" Link 

function remove_lostpassword_text($text) {

    if ($text == 'Lost your password?') {

        $text = '';

    }

    return $text;

}

add_filter('gettext', 'remove_lostpassword_text');   

// Block Direct URL Access

add_action('login_init', function() {

    if (isset($_GET['action']) && in_array($_GET['action'], ['lostpassword', 'retrievepassword'])) {

        wp_redirect(wp_login_url(), 301);

        exit;

    }

});