diff --git a/src/main/java/org/opensearch/ubl/action/UserBehaviorLoggingRestHandler.java b/src/main/java/org/opensearch/ubl/action/UserBehaviorLoggingRestHandler.java
index dc2d4e0..7cc3036 100644
--- a/src/main/java/org/opensearch/ubl/action/UserBehaviorLoggingRestHandler.java
+++ b/src/main/java/org/opensearch/ubl/action/UserBehaviorLoggingRestHandler.java
@@ -56,14 +56,18 @@ protected RestChannelConsumer prepareRequest(RestRequest request, NodeClient nod
             final String storeName = request.param("store");
 
             LOGGER.info("Creating search relevance index {}", storeName);
-            return (channel) -> backend.initialize(storeName, channel);
+            backend.initialize(storeName);
+            return (channel) -> channel.sendResponse(new BytesRestResponse(RestStatus.OK, "created"));
 
         } else if (request.method() == DELETE) {
 
             final String storeName = request.param("store");
 
+            // TODO: Make sure the store actually exists first.
+
             LOGGER.info("Deleting search relevance index {}", storeName);
-            return (channel) -> backend.delete(storeName, channel);
+            backend.delete(storeName);
+            return (channel) -> channel.sendResponse(new BytesRestResponse(RestStatus.OK, "deleted"));
 
         } else if (request.method() == POST) {
 
@@ -71,6 +75,8 @@ protected RestChannelConsumer prepareRequest(RestRequest request, NodeClient nod
 
                 final String storeName = request.param("store");
 
+                // TODO: Make sure the store actually exists first.
+
                 LOGGER.info("Persisting event into {}", storeName);
                 final String eventJson = request.content().utf8ToString();
                 backend.persistEvent(storeName, eventJson);
diff --git a/src/main/java/org/opensearch/ubl/backends/Backend.java b/src/main/java/org/opensearch/ubl/backends/Backend.java
index 9ed461d..ac3639e 100644
--- a/src/main/java/org/opensearch/ubl/backends/Backend.java
+++ b/src/main/java/org/opensearch/ubl/backends/Backend.java
@@ -16,9 +16,9 @@
 
 public interface Backend {
 
-    void initialize(final String storeName, RestChannel channel);
+    void initialize(final String storeName);
 
-    void delete(final String storeName, RestChannel channel);
+    void delete(final String storeName);
 
     void persistEvent(final String storeName, String eventJson);
 
diff --git a/src/main/java/org/opensearch/ubl/backends/OpenSearchBackend.java b/src/main/java/org/opensearch/ubl/backends/OpenSearchBackend.java
index 1997ad9..7ea1e1c 100644
--- a/src/main/java/org/opensearch/ubl/backends/OpenSearchBackend.java
+++ b/src/main/java/org/opensearch/ubl/backends/OpenSearchBackend.java
@@ -18,8 +18,6 @@
 import org.opensearch.common.settings.Settings;
 import org.opensearch.common.util.io.Streams;
 import org.opensearch.common.xcontent.XContentType;
-import org.opensearch.rest.RestChannel;
-import org.opensearch.rest.action.RestToXContentListener;
 import org.opensearch.ubl.SettingsConstants;
 import org.opensearch.ubl.events.Event;
 import org.opensearch.ubl.events.OpenSearchEventManager;
@@ -51,7 +49,7 @@ public OpenSearchBackend(final Client client) {
     }
 
     @Override
-    public void initialize(final String storeName, final RestChannel channel) {
+    public void initialize(final String storeName) {
 
         // TODO: Determine if already initialized with this index name first.
         // TODO: Also need some error handling around this in case one or both of these index creations fail.
@@ -65,7 +63,7 @@ public void initialize(final String storeName, final RestChannel channel) {
                 .mapping(getResourceFile(EVENTS_MAPPING_FILE))
                 .settings(getIndexSettings());
 
-        client.admin().indices().create(createEventsIndexRequest, new RestToXContentListener<>(channel));
+        client.admin().indices().create(createEventsIndexRequest);
 
         // Create the queries index.
         final String queriesIndexName = getQueriesIndexName(storeName);
@@ -74,19 +72,19 @@ public void initialize(final String storeName, final RestChannel channel) {
                 .mapping(getResourceFile(QUERIES_MAPPING_FILE))
                 .settings(getIndexSettings());
 
-        client.admin().indices().create(createQueryIndexRequest, new RestToXContentListener<>(channel));
+        client.admin().indices().create(createQueryIndexRequest);
 
     }
 
     @Override
-    public void delete(String storeName, RestChannel channel) {
+    public void delete(String storeName) {
 
         LOGGER.info("Deleting search relevance store {}", storeName);
 
         final String eventsIndexName = getEventsIndexName(storeName);
         final String queriesIndexName = getQueriesIndexName(storeName);
         final DeleteIndexRequest deleteIndexRequest = new DeleteIndexRequest(eventsIndexName, queriesIndexName);
-        client.admin().indices().delete(deleteIndexRequest, new RestToXContentListener<>(channel));
+        client.admin().indices().delete(deleteIndexRequest);
 
     }