diff --git a/drupal_seamless_cilogon.info.yml b/drupal_seamless_cilogon.info.yml
index 12dda95..b280ff9 100644
--- a/drupal_seamless_cilogon.info.yml
+++ b/drupal_seamless_cilogon.info.yml
@@ -2,4 +2,4 @@ name: Drupal Seamless Cilogon
 description: Drupal Seamless Cilogon Module
 package: Custom
 type: module
-core_version_requirement: ^9 || ^10
+core_version_requirement: ^10 || ^11
diff --git a/src/Controller/NcController.php b/src/Controller/NcController.php
index f04677a..8fe7515 100644
--- a/src/Controller/NcController.php
+++ b/src/Controller/NcController.php
@@ -31,7 +31,7 @@ public function __construct(KillSwitch $kill_switch) {
    * {@inheritdoc}
    */
   public static function create(ContainerInterface $container) {
-    return new static(
+    return new self(
       $container->get('page_cache_kill_switch')
     );
   }
diff --git a/src/Form/DrupalSeamlessCilogon.php b/src/Form/DrupalSeamlessCilogon.php
index b2eddf6..f3d0c2e 100644
--- a/src/Form/DrupalSeamlessCilogon.php
+++ b/src/Form/DrupalSeamlessCilogon.php
@@ -100,7 +100,7 @@ public function getFormId()
    */
   public function submitForm(array &$form, FormStateInterface $form_state)
   {
-    parent::submitForm($form, $form_state);
+
   }
 
   /**