diff --git a/modules/lang-mustache/src/main/java/org/elasticsearch/script/mustache/MultiSearchTemplateRequestBuilder.java b/modules/lang-mustache/src/main/java/org/elasticsearch/script/mustache/MultiSearchTemplateRequestBuilder.java
deleted file mode 100644
index c4dac0dd88e..00000000000
--- a/modules/lang-mustache/src/main/java/org/elasticsearch/script/mustache/MultiSearchTemplateRequestBuilder.java
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Licensed to Elasticsearch under one or more contributor
- * license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright
- * ownership. Elasticsearch licenses this file to you under
- * the Apache License, Version 2.0 (the "License"); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.elasticsearch.script.mustache;
-
-import org.elasticsearch.action.ActionRequestBuilder;
-import org.elasticsearch.action.support.IndicesOptions;
-import org.elasticsearch.client.ElasticsearchClient;
-
-public class MultiSearchTemplateRequestBuilder
-        extends ActionRequestBuilder<MultiSearchTemplateRequest, MultiSearchTemplateResponse> {
-
-    protected MultiSearchTemplateRequestBuilder(ElasticsearchClient client, MultiSearchTemplateAction action) {
-        super(client, action, new MultiSearchTemplateRequest());
-    }
-
-    public MultiSearchTemplateRequestBuilder add(SearchTemplateRequest request) {
-        if (request.getRequest().indicesOptions() == IndicesOptions.strictExpandOpenAndForbidClosed()
-                && request().indicesOptions() != IndicesOptions.strictExpandOpenAndForbidClosed()) {
-            request.getRequest().indicesOptions(request().indicesOptions());
-        }
-
-        super.request.add(request);
-        return this;
-    }
-
-    public MultiSearchTemplateRequestBuilder add(SearchTemplateRequestBuilder request) {
-        if (request.request().getRequest().indicesOptions() == IndicesOptions.strictExpandOpenAndForbidClosed()
-                && request().indicesOptions() != IndicesOptions.strictExpandOpenAndForbidClosed()) {
-            request.request().getRequest().indicesOptions(request().indicesOptions());
-        }
-
-        super.request.add(request);
-        return this;
-    }
-
-    public MultiSearchTemplateRequestBuilder setIndicesOptions(IndicesOptions indicesOptions) {
-        request().indicesOptions(indicesOptions);
-        return this;
-    }
-
-    /**
-     * Sets how many search requests specified in this multi search requests are allowed to be ran concurrently.
-     */
-    public MultiSearchTemplateRequestBuilder setMaxConcurrentSearchRequests(int maxConcurrentSearchRequests) {
-        request().maxConcurrentSearchRequests(maxConcurrentSearchRequests);
-        return this;
-    }
-}