diff --git a/src/main/java/org/apache/commons/collections/bidimap/DualLinkedHashBidiMap.java b/src/main/java/org/apache/commons/collections/bidimap/DualLinkedHashBidiMap.java
index 16a865fda..5183e699e 100644
--- a/src/main/java/org/apache/commons/collections/bidimap/DualLinkedHashBidiMap.java
+++ b/src/main/java/org/apache/commons/collections/bidimap/DualLinkedHashBidiMap.java
@@ -76,6 +76,7 @@ public class DualLinkedHashBidiMap<K, V> extends AbstractDualBidiMap<K, V> imple
      * @param inverseBidiMap the inverse BidiMap
      * @return new bidi map
      */
+    @Override
     protected BidiMap<V, K> createBidiMap(final Map<V, K> normalMap, final Map<K, V> reverseMap,
             final BidiMap<K, V> inverseBidiMap) {
         return new DualLinkedHashBidiMap<V, K>(normalMap, reverseMap, inverseBidiMap);
diff --git a/src/test/java/org/apache/commons/collections/queue/TransformedQueueTest.java b/src/test/java/org/apache/commons/collections/queue/TransformedQueueTest.java
index 55e1ef497..14cbe0f3d 100644
--- a/src/test/java/org/apache/commons/collections/queue/TransformedQueueTest.java
+++ b/src/test/java/org/apache/commons/collections/queue/TransformedQueueTest.java
@@ -102,6 +102,7 @@ public class TransformedQueueTest<E> extends AbstractCollectionTest<E> {
         assertEquals(true, queue.remove(new Integer((String) els[0])));
     }
 
+    @Override
     public String getCompatibilityVersion() {
         return "4";
     }