diff --git a/src/Symfony/DependencyInjection/Configuration.php b/src/Symfony/DependencyInjection/Configuration.php
index c6436ebb..0ce6dc43 100644
--- a/src/Symfony/DependencyInjection/Configuration.php
+++ b/src/Symfony/DependencyInjection/Configuration.php
@@ -45,7 +45,6 @@ final readonly class Configuration implements ConfigurationInterface
             ->children()
                 ->scalarNode('default')
                     ->info('Default notification library (e.g., "flasher", "toastr", "noty", "notyf", "sweetalert")')
-                    ->isRequired()
                     ->cannotBeEmpty()
                     ->defaultValue($this->plugin->getDefault())
                 ->end()