diff --git a/core/api/src/main/java/org/onosproject/net/DefaultAnnotations.java b/core/api/src/main/java/org/onosproject/net/DefaultAnnotations.java
index 514152e..a0ed261 100644
--- a/core/api/src/main/java/org/onosproject/net/DefaultAnnotations.java
+++ b/core/api/src/main/java/org/onosproject/net/DefaultAnnotations.java
@@ -29,6 +29,8 @@
  */
 public final class DefaultAnnotations implements SparseAnnotations {
 
+    public static final Annotations EMPTY = DefaultAnnotations.builder().build();
+
     private final Map<String, String> map;
 
     // For serialization