diff --git a/framework/test/ts_mon_js_test.py b/framework/test/ts_mon_js_test.py
index 4231b76..da48378 100644
--- a/framework/test/ts_mon_js_test.py
+++ b/framework/test/ts_mon_js_test.py
@@ -1,7 +1,6 @@
-# Copyright 2018 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style
-# license that can be found in the LICENSE file or at
-# https://developers.google.com/open-source/licenses/bsd
+# Copyright 2018 The Chromium Authors
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
 
 """Tests for MonorailTSMonJSHandler."""
 from __future__ import print_function
@@ -13,10 +12,8 @@
 from mock import patch
 
 import flask
-import webapp2
 from google.appengine.ext import testbed
 
-from framework.ts_mon_js import FlaskMonorailTSMonJSHandler
 from framework.ts_mon_js import MonorailTSMonJSHandler
 from services import service_manager
 
@@ -27,66 +24,12 @@
     self.testbed = testbed.Testbed()
     self.testbed.activate()
     self.testbed.init_user_stub()
-
-  def tearDown(self):
-    self.testbed.deactivate()
-
-  @patch('framework.xsrf.ValidateToken')
-  @patch('time.time')
-  def testSubmitMetrics(self, _mockTime, _mockValidateToken):
-    """Test normal case POSTing metrics."""
-    _mockTime.return_value = 1537821859
-    req = webapp2.Request.blank('/_/ts_mon_js')
-    req.body = json.dumps({
-      'metrics': [{
-        'MetricInfo': {
-          'Name': 'monorail/frontend/issue_update_latency',
-          'ValueType': 2,
-        },
-        'Cells': [{
-          'value': {
-            'sum': 1234,
-            'count': 4321,
-            'buckets': {
-              0: 123,
-              1: 321,
-              2: 213,
-            },
-          },
-          'fields': {
-            'client_id': '789',
-            'host_name': 'rutabaga',
-            'document_visible': True,
-          },
-          'start_time': 1537821859 - 60,
-        }],
-      }],
-    })
-    res = webapp2.Response()
-    ts_mon_handler = MonorailTSMonJSHandler(request=req, response=res)
-    class MockApp(object):
-      def __init__(self):
-        self.config = {'services': service_manager.Services()}
-    ts_mon_handler.app = MockApp()
-
-    ts_mon_handler.post()
-
-    self.assertEqual(res.status_int, 201)
-    self.assertEqual(res.body, 'Ok.')
-
-
-class FlaskMonorailTSMonJSHandlerTest(unittest.TestCase):
-
-  def setUp(self):
-    self.testbed = testbed.Testbed()
-    self.testbed.activate()
-    self.testbed.init_user_stub()
     self.services = service_manager.Services()
     self.app = flask.Flask('test_app')
     self.app.config['TESTING'] = True
     self.app.add_url_rule(
         '/_/ts_mon_js.do',
-        view_func=FlaskMonorailTSMonJSHandler(
+        view_func=MonorailTSMonJSHandler(
             services=self.services).PostMonorailTSMonJSHandler,
         methods=['POST'])
 
@@ -95,7 +38,7 @@
 
   @patch('framework.xsrf.ValidateToken')
   @patch('time.time')
-  def testFlaskSubmitMetrics(self, _mockTime, _mockValidateToken):
+  def testSubmitMetrics(self, _mockTime, _mockValidateToken):
     """Test normal case POSTing metrics."""
     _mockTime.return_value = 1537821859
     res = self.app.test_client().post(