diff --git a/core/api/src/main/java/org/onosproject/net/flow/criteria/IndexedLambdaCriterion.java b/core/api/src/main/java/org/onosproject/net/flow/criteria/IndexedLambdaCriterion.java
index bc612cd..17ea2d0 100644
--- a/core/api/src/main/java/org/onosproject/net/flow/criteria/IndexedLambdaCriterion.java
+++ b/core/api/src/main/java/org/onosproject/net/flow/criteria/IndexedLambdaCriterion.java
@@ -24,6 +24,8 @@
 
 /**
  * Implementation of indexed lambda criterion.
+ *
+ * @deprecated in Emu (ONOS 1.4).
  */
 @Deprecated
 public class IndexedLambdaCriterion implements Criterion {