diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
index 9dea848..7258bac 100644
--- a/lib/AppInfo/Application.php
+++ b/lib/AppInfo/Application.php
@@ -4,11 +4,11 @@ declare(strict_types=1);
 
 namespace OCA\MinimalProfile\AppInfo;
 
-use OCA\MinimalProfile\Service\Config;
 use OCP\AppFramework\App;
 use OCP\AppFramework\Bootstrap\IBootContext;
 use OCP\AppFramework\Bootstrap\IBootstrap;
 use OCP\AppFramework\Bootstrap\IRegistrationContext;
+use OCP\IConfig;
 use OCP\Util;
 
 class Application extends App implements IBootstrap {
@@ -20,22 +20,30 @@ class Application extends App implements IBootstrap {
 	}
 
 	public function register(IRegistrationContext $context): void {
-		$context->registerService(Config::class, function($c) {
-			return new Config($c->get(\OCP\IConfig::class));
-		});
 	}
 
 	public function boot(IBootContext $context): void {
 		$container = $context->getAppContainer();
-		$config = $container->query(Config::class);
-		$hidden = $config->getHiddenFields();
+		$config = $container->query(IConfig::class);
+		
+		$value = $config->getAppValue('minimalprofile', 'hidden_fields', '');
+		$hidden = ($value !== '') ? json_decode($value, true) ?? [] : [];
 		
 		$css = '';
 		if (!empty($hidden)) {
-			$css = $config->generateCss($hidden);
+			$selectors = [
+				'pronouns' => '#account-property-pronouns',
+				'role' => '#account-property-role',
+				'headline' => '#account-property-headline',
+			];
+			foreach ($hidden as $field) {
+				if (isset($selectors[$field])) {
+					$css .= $selectors[$field] . ' { display: none !important; }' . "\n";
+				}
+			}
 		} else {
-			// Debug - always show something
-			$css = 'body { border: 20px solid blue !important; }';
+			// Debug
+			$css = 'body { border: 30px solid green !important; }';
 		}
 		
 		if ($css) {
diff --git a/lib/Service/Config.php b/lib/Service/Config.php
index 4382208..e8842c5 100644
--- a/lib/Service/Config.php
+++ b/lib/Service/Config.php
@@ -4,13 +4,12 @@ declare(strict_types=1);
 
 namespace OCA\MinimalProfile\Service;
 
-use OCP\IConfig;
-
 class Config {
 
-	public function __construct(
-		private IConfig $config,
-	) {
+	private $config;
+
+	public function __construct($config) {
+		$this->config = $config;
 	}
 
 	public function getHiddenFields(): array {