diff --git a/lib/SimpleSAML/Auth/ProcessingFilter.php b/lib/SimpleSAML/Auth/ProcessingFilter.php
index be5c2fc5ce7de5b1c554ba80b8b7e1c043d93374..038900e5e7b9e30af9375d41354c9055120c44c1 100644
--- a/lib/SimpleSAML/Auth/ProcessingFilter.php
+++ b/lib/SimpleSAML/Auth/ProcessingFilter.php
@@ -47,7 +47,7 @@ abstract class ProcessingFilter
      * @param array &$config  Configuration for this filter.
      * @param mixed $reserved  For future use.
      */
-    public function __construct(array &$config, $reserved)
+    public function __construct(array &$config, /** @scrutinizer ignore-unused */ $reserved)
     {
         if (array_key_exists('%priority', $config)) {
             $this->priority = $config['%priority'];
diff --git a/lib/SimpleSAML/Metadata/MetaDataStorageHandlerPdo.php b/lib/SimpleSAML/Metadata/MetaDataStorageHandlerPdo.php
index 7d88000e10e0703fe1d7d12dd2382609b113c337..8136c7aeab088b034030500ee2b9fcecd523611e 100644
--- a/lib/SimpleSAML/Metadata/MetaDataStorageHandlerPdo.php
+++ b/lib/SimpleSAML/Metadata/MetaDataStorageHandlerPdo.php
@@ -58,7 +58,7 @@ class MetaDataStorageHandlerPdo extends MetaDataStorageSource
      *
      * @param array $config An associative array with the configuration for this handler.
      */
-    public function __construct(array $config)
+    public function __construct(/** @scrutinizer ignore-unused */ array $config)
     {
         $this->db = Database::getInstance();
     }
diff --git a/lib/SimpleSAML/Stats/Output.php b/lib/SimpleSAML/Stats/Output.php
index 251bc63b0b2716c0879a615bc7a537d54836ed1c..89be3c8ef01dc3451a69f6c125cc958b7273c458 100644
--- a/lib/SimpleSAML/Stats/Output.php
+++ b/lib/SimpleSAML/Stats/Output.php
@@ -19,7 +19,7 @@ abstract class Output
      *
      * @param \SimpleSAML\Configuration $config The configuration for this output.
      */
-    public function __construct(Configuration $config)
+    public function __construct(/** @scrutinizer ignore-unused */ Configuration $config)
     {
         // do nothing by default
     }
diff --git a/modules/saml/lib/SP/LogoutStore.php b/modules/saml/lib/SP/LogoutStore.php
index 47af236b7a6526b478275e98bd8c66d9ce853d90..9b8f423d28d93ef920fb52f995345df83ef4d8ed 100644
--- a/modules/saml/lib/SP/LogoutStore.php
+++ b/modules/saml/lib/SP/LogoutStore.php
@@ -291,14 +291,12 @@ class LogoutStore
      * Retrieve all session IDs from a key-value store.
      *
      * @param \SimpleSAML\Store $store  The datastore.
-     * @param string $authId  The authsource ID.
      * @param string $nameId  The hash of the users NameID.
      * @param array $sessionIndexes  The session indexes.
      * @return array  Associative array of SessionIndex =>  SessionId.
      */
     private static function getSessionsStore(
         Store $store,
-        string $authId,
         string $nameId,
         array $sessionIndexes
     ): array {
@@ -412,7 +410,7 @@ class LogoutStore
                 // We cannot fetch all sessions without a SQL store
                 return false;
             }
-            $sessions = self::getSessionsStore($store, $authId, $strNameId, $sessionIndexes);
+            $sessions = self::getSessionsStore($store, $strNameId, $sessionIndexes);
         }
 
         if (empty($sessionIndexes)) {