diff --git a/Container/tests/System/V1/ClusterManagerSmokeTest.php b/Container/tests/System/V1/ClusterManagerSmokeTest.php
deleted file mode 100644
index 59485b59efc0..000000000000
--- a/Container/tests/System/V1/ClusterManagerSmokeTest.php
+++ /dev/null
@@ -1,50 +0,0 @@
-<?php
-/*
- * Copyright 2018 Google LLC
- *
- * Licensed 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
- *
- *     https://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.
- */
-
-/*
- * GENERATED CODE WARNING
- * This file was automatically generated - do not edit!
- */
-
-namespace Google\Cloud\Container\Tests\System\V1;
-
-use Google\Cloud\Container\V1\Client\ClusterManagerClient;
-use Google\Cloud\Container\V1\ListClustersRequest;
-use Google\ApiCore\Testing\GeneratedTest;
-
-/**
- * @group container
- * @group gapic
- */
-class ClusterManagerSmokeTest extends GeneratedTest
-{
-    /**
-     * @test
-     */
-    public function listClustersTest()
-    {
-        $projectId = getenv('PROJECT_ID');
-        if (false === $projectId) {
-            $this->fail('Environment variable PROJECT_ID must be set for smoke test');
-        }
-
-        $clusterManagerClient = new ClusterManagerClient();
-        $zone = 'us-central1-a';
-        $request = ListClustersRequest::build($projectId, $zone);
-        $clusterManagerClient->listClusters($request);
-    }
-}