diff --git a/elasticsearch-transport-client/src/test/java/org/elasticsearch/xpack/client/PreBuiltXPackTransportClientTests.java b/elasticsearch-transport-client/src/test/java/org/elasticsearch/xpack/client/PreBuiltXPackTransportClientTests.java
index 903d1509eeb..7f3c6d8f0e1 100644
--- a/elasticsearch-transport-client/src/test/java/org/elasticsearch/xpack/client/PreBuiltXPackTransportClientTests.java
+++ b/elasticsearch-transport-client/src/test/java/org/elasticsearch/xpack/client/PreBuiltXPackTransportClientTests.java
@@ -22,8 +22,6 @@ public class PreBuiltXPackTransportClientTests extends RandomizedTest {
 
     @Test
     public void testPluginInstalled() {
-        // TODO: remove when Netty 4.1.6 is upgraded to Netty 4.1.7 including https://github.com/netty/netty/pull/6068
-        assumeFalse(Constants.JRE_IS_MINIMUM_JAVA9);
         try (TransportClient client = new PreBuiltXPackTransportClient(Settings.EMPTY)) {
             Settings settings = client.settings();
             assertEquals(Security.NAME4, NetworkModule.TRANSPORT_TYPE_SETTING.get(settings));