diff --git a/java-client/src/test/java/co/elastic/clients/elasticsearch/model/UnionTests.java b/java-client/src/test/java/co/elastic/clients/elasticsearch/model/UnionTests.java
index 16650def4..8ea89306f 100644
--- a/java-client/src/test/java/co/elastic/clients/elasticsearch/model/UnionTests.java
+++ b/java-client/src/test/java/co/elastic/clients/elasticsearch/model/UnionTests.java
@@ -41,10 +41,6 @@
 
 public class UnionTests extends ModelTestCase {
 
-//    public UnionTests() {
-//        super(JsonImpl.Simple);
-//    }
-
     @Test
     public void testScriptDeserializer() {
         // A union discriminated by its field names (source -> inline, id -> stored)