diff --git a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/codec/MappingValueCodec.java b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/codec/MappingValueCodec.java
index f128243..199df62 100644
--- a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/codec/MappingValueCodec.java
+++ b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/codec/MappingValueCodec.java
@@ -34,8 +34,8 @@
  */
 public final class MappingValueCodec extends JsonCodec<MappingValue> {
 
-    protected static final String ACTION = "action";
-    protected static final String TREATMENTS = "treatments";
+    static final String ACTION = "action";
+    static final String TREATMENTS = "treatments";
 
     @Override
     public ObjectNode encode(MappingValue value, CodecContext context) {