diff --git a/.circleci/config.yml b/.circleci/config.yml
index b40ace9dab6f..cd1465560269 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -279,7 +279,6 @@ jobs:
       - run:
           name: 'End-to-End Tests'
           command: node build-system/pr-check/e2e-tests.js
-      - store_test_output
       - fail_fast
       - teardown_vm
   'Performance Tests':
diff --git a/build-system/tasks/e2e/index.js b/build-system/tasks/e2e/index.js
index 73388be26648..7d4bc21818ed 100644
--- a/build-system/tasks/e2e/index.js
+++ b/build-system/tasks/e2e/index.js
@@ -24,18 +24,16 @@ const fs = require('fs');
 const glob = require('glob');
 const http = require('http');
 const Mocha = require('mocha');
-const MochaJUnitReporter = require('mocha-junit-reporter');
 const path = require('path');
 const {
   createCtrlcHandler,
   exitCtrlcHandler,
 } = require('../../common/ctrlcHandler');
 const {buildRuntime, getFilesFromArgv} = require('../../common/utils');
-const {createMultiplexedReporter} = require('./mocha-report-multiplexer');
 const {cyan} = require('kleur/colors');
 const {execOrDie} = require('../../common/exec');
 const {HOST, PORT, startServer, stopServer} = require('../serve');
-const {isCiBuild, isCircleciBuild} = require('../../common/ci');
+const {isCiBuild} = require('../../common/ci');
 const {log} = require('../../common/logging');
 const {maybePrintCoverageMessage} = require('../helpers');
 const {reportTestStarted} = require('../report-test-status');
@@ -88,26 +86,14 @@ function createMocha_() {
     reporter = dotsReporter;
   }
 
-  const options = {
+  return new Mocha({
     // e2e tests have a different standard for when a test is too slow,
     // so we set a non-default threshold.
     slow: SLOW_TEST_THRESHOLD_MS,
     reporter,
     retries: TEST_RETRIES,
     fullStackTrace: true,
-  };
-
-  if (isCircleciBuild()) {
-    options.reporter = createMultiplexedReporter([
-      options.reporter,
-      MochaJUnitReporter,
-    ]);
-    options.reporterOptions = {
-      mochaFile: 'result-reports/e2e.xml',
-    };
-  }
-
-  return new Mocha(options);
+  });
 }
 
 /**
diff --git a/build-system/tasks/e2e/mocha-report-multiplexer.js b/build-system/tasks/e2e/mocha-report-multiplexer.js
deleted file mode 100644
index af25e92688bb..000000000000
--- a/build-system/tasks/e2e/mocha-report-multiplexer.js
+++ /dev/null
@@ -1,48 +0,0 @@
-/**
- * Copyright 2021 The AMP HTML Authors. All Rights Reserved.
- *
- * 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
- *
- *      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.
- */
-const Mocha = require('mocha');
-const {Base} = Mocha.reporters;
-
-/**
- * Creates a custom Mocha reporter which runs many reporters at once.
- * @param {Base[]} reporters
- * @return {Function<*,MochaReportMultiplexer>}
- */
-function createMultiplexedReporter(reporters) {
-  return class DynamicReportMultiplexer extends Base {
-    /**
-     * @param {*} runner
-     * @param {Mocha.Runner.options} options
-     */
-    constructor(runner, options) {
-      super(runner, options);
-      // If there are too many reporters listening to events on the runner a
-      // warning will be displayed about a potential emitter leak. This should
-      // allow each reporter to listen to every event without exceeding the max.
-      // The default max listeners is 10.
-      const potentialEvents = Object.keys(Mocha.Runner.constants);
-      runner.setMaxListeners(potentialEvents.length * reporters.length);
-
-      this.reporters = reporters.map(
-        (reporter) => new reporter(runner, options)
-      );
-    }
-  };
-}
-
-module.exports = {
-  createMultiplexedReporter,
-};