diff --git a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DelegatingAsyncConsistentTreeMap.java b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DelegatingAsyncConsistentTreeMap.java
index 48c0b85..f474f7b 100644
--- a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DelegatingAsyncConsistentTreeMap.java
+++ b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DelegatingAsyncConsistentTreeMap.java
@@ -16,10 +16,12 @@
 
 package org.onosproject.store.primitives.impl;
 
+import org.onosproject.store.primitives.MapUpdate;
 import org.onosproject.store.primitives.TransactionId;
 import org.onosproject.store.service.AsyncConsistentTreeMap;
 import org.onosproject.store.service.MapEventListener;
-import org.onosproject.store.service.MapTransaction;
+import org.onosproject.store.service.TransactionLog;
+import org.onosproject.store.service.Version;
 import org.onosproject.store.service.Versioned;
 
 import java.util.Collection;
@@ -253,9 +255,18 @@
     }
 
     @Override
-    public CompletableFuture<Boolean> prepare(
-            MapTransaction<String, V> transaction) {
-        return delegateMap.prepare(transaction);
+    public CompletableFuture<Version> begin(TransactionId transactionId) {
+        return delegateMap.begin(transactionId);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> prepare(TransactionLog<MapUpdate<String, V>> transactionLog) {
+        return delegateMap.prepare(transactionLog);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> prepareAndCommit(TransactionLog<MapUpdate<String, V>> transactionLog) {
+        return delegateMap.prepareAndCommit(transactionLog);
     }
 
     @Override
@@ -269,12 +280,6 @@
     }
 
     @Override
-    public CompletableFuture<Boolean> prepareAndCommit(
-            MapTransaction<String, V> transaction) {
-        return delegateMap.prepareAndCommit(transaction);
-    }
-
-    @Override
     public boolean equals(Object other) {
         if (other instanceof DelegatingAsyncConsistentTreeMap) {
             DelegatingAsyncConsistentTreeMap<V> that =