diff --git a/saml-core/src/main/java/org/keycloak/saml/processing/core/parsers/saml/mdattr/SAMLEntityAttributesParser.java b/saml-core/src/main/java/org/keycloak/saml/processing/core/parsers/saml/mdattr/SAMLEntityAttributesParser.java
index dabafddddbe..d28636b9a16 100644
--- a/saml-core/src/main/java/org/keycloak/saml/processing/core/parsers/saml/mdattr/SAMLEntityAttributesParser.java
+++ b/saml-core/src/main/java/org/keycloak/saml/processing/core/parsers/saml/mdattr/SAMLEntityAttributesParser.java
@@ -1,7 +1,5 @@
 package org.keycloak.saml.processing.core.parsers.saml.mdattr;
 
-import java.io.Serializable;
-
 import javax.xml.stream.XMLEventReader;
 import javax.xml.stream.events.StartElement;
 
@@ -13,7 +11,7 @@ import org.keycloak.saml.processing.core.parsers.saml.assertion.SAMLAttributePar
 import org.keycloak.saml.processing.core.parsers.saml.metadata.AbstractStaxSamlMetadataParser;
 import org.keycloak.saml.processing.core.parsers.saml.metadata.SAMLMetadataQNames;
 
-public class SAMLEntityAttributesParser extends AbstractStaxSamlMetadataParser<EntityAttributes> implements Serializable {
+public class SAMLEntityAttributesParser extends AbstractStaxSamlMetadataParser<EntityAttributes> {
     private static final SAMLEntityAttributesParser INSTANCE = new SAMLEntityAttributesParser();
 
     private SAMLEntityAttributesParser() {
@@ -43,4 +41,4 @@ public class SAMLEntityAttributesParser extends AbstractStaxSamlMetadataParser<E
                 throw LOGGER.parserUnknownTag(StaxParserUtil.getElementName(elementDetail), elementDetail.getLocation());
         }
     }
-}
\ No newline at end of file
+}