diff --git a/composer.json b/composer.json
index 1f7dd335e24fcfe10a426b2e4f160d3698c4ec7a..b56e2abb252c153f809471ff7ba11b00f6e912a2 100644
--- a/composer.json
+++ b/composer.json
@@ -64,6 +64,7 @@
     "require-dev": {
         "ext-curl": "*",
         "mikey179/vfsstream": "~1.6",
+        "simplesamlphp/simplesamlphp-module-adfs": "dev-master",
         "simplesamlphp/simplesamlphp-test-framework": "^0.1.3"
     },
     "suggest": {
diff --git a/lib/SimpleSAML/Metadata/SAMLBuilder.php b/lib/SimpleSAML/Metadata/SAMLBuilder.php
index 26f3a36d95a485acd1d10a131bfd1147453dd5c9..82ea3f8915edff3a9101de980e10e8c9d51b1564 100644
--- a/lib/SimpleSAML/Metadata/SAMLBuilder.php
+++ b/lib/SimpleSAML/Metadata/SAMLBuilder.php
@@ -153,10 +153,6 @@ class SAMLBuilder
         $metadata = Configuration::loadFromArray($metadata, $metadata['entityid']);
         $defaultEndpoint = $metadata->getDefaultEndpoint('SingleSignOnService');
 
-        /**
-         * @psalm-var \SAML2\XML\md\RoleDescriptor $e
-         * @psalm-suppress UndefinedClass
-         */
         $e = new SecurityTokenServiceType();
         $e->setLocation($defaultEndpoint['Location']);