diff --git a/build.gradle b/build.gradle
index 17ccd116ac..cb0308d819 100644
--- a/build.gradle
+++ b/build.gradle
@@ -274,7 +274,7 @@ project('reactor-core') {
 	//TODO after a release, bump the gradle.properties baseline
 	//TODO after a release, remove the reactor-core exclusions below if any
 	//gh-1036
-	classExcludes = ['reactor.core.publisher.FluxIndex', 'reactor.core.publisher.FluxIndexFuseable', 'reactor.core.publisher.FluxDelaySequence']
+	classExcludes = ['reactor.core.publisher.FluxIndex', 'reactor.core.publisher.FluxIndexFuseable', 'reactor.core.publisher.FluxDelaySequence', 'reactor.util.concurrent.MpscLinkedQueue']
   }
 
   javadoc {
diff --git a/reactor-core/src/main/java/reactor/util/concurrent/MpscLinkedQueue.java b/reactor-core/src/main/java/reactor/util/concurrent/MpscLinkedQueue.java
index c63ee2dc30..87d315a68e 100644
--- a/reactor-core/src/main/java/reactor/util/concurrent/MpscLinkedQueue.java
+++ b/reactor-core/src/main/java/reactor/util/concurrent/MpscLinkedQueue.java
@@ -32,7 +32,7 @@
  * A multi-producer single consumer unbounded queue.
  * @param <E> the contained value type
  */
-public class MpscLinkedQueue<E> extends AbstractQueue<E> implements BiPredicate<E, E> {
+final class MpscLinkedQueue<E> extends AbstractQueue<E> implements BiPredicate<E, E> {
 	private volatile LinkedQueueNode<E> producerNode;
 
 	private final static AtomicReferenceFieldUpdater<MpscLinkedQueue, LinkedQueueNode> PRODUCER_NODE_UPDATER