diff --git a/lib/SimpleSAML/Metadata/SAMLParser.php b/lib/SimpleSAML/Metadata/SAMLParser.php
index 7a4bc2573ddbf71543ce03c94c75be1f8377ba14..7acccd27b25f4a915c784f62aa4755cbeaa89cc4 100644
--- a/lib/SimpleSAML/Metadata/SAMLParser.php
+++ b/lib/SimpleSAML/Metadata/SAMLParser.php
@@ -1217,10 +1217,6 @@ class SimpleSAML_Metadata_SAMLParser
             $attrname = $child->Name;
             $sp['attributes'][] = $attrname;
 
-            if ($child->isRequired) {
-                $sp['attributes.required'][] = $attrname;
-            }
-
             if ($child->isRequired !== null && $child->isRequired === true) {
                 $sp['attributes.required'][] = $attrname;
             }