diff --git a/lib/testem/failure-only-per-browser-reporter.js b/lib/testem/failure-only-per-browser-reporter.js
deleted file mode 100644
index d4fdaa55b48..00000000000
--- a/lib/testem/failure-only-per-browser-reporter.js
+++ /dev/null
@@ -1,47 +0,0 @@
-const FailureOnlyReporter = require('./failure-only-reporter');
-
-class FailureOnlyPerBrowserReporter extends FailureOnlyReporter {
-  constructor(...args) {
-    super(...args);
-    this._resultsByBrowser = {};
-  }
-
-  report(prefix, data) {
-    if (!this._resultsByBrowser[prefix]) {
-      this._resultsByBrowser[prefix] = {
-        total: 0,
-        pass: 0,
-        skipped: 0,
-      };
-    }
-
-    this._resultsByBrowser[prefix].total++;
-    if (data.skipped) {
-      this._resultsByBrowser[prefix].skipped++;
-    } else if (data.passed) {
-      this._resultsByBrowser[prefix].pass++;
-    }
-
-    super.report(prefix, data);
-  }
-
-  summaryDisplay() {
-    let originalSummary = super.summaryDisplay();
-    let lines = [];
-    let resultsByBrowser = this._resultsByBrowser;
-    Object.keys(resultsByBrowser).forEach(function(browser) {
-      let results = resultsByBrowser[browser];
-
-      lines.push('#');
-      lines.push('# Browser: ' + browser);
-      lines.push('# tests ' + results.total);
-      lines.push('# pass  ' + results.pass);
-      lines.push('# skip  ' + results.skipped);
-      lines.push('# fail  ' + (results.total - results.pass - results.skipped));
-    });
-    lines.push('#');
-    return lines.join('\n') + '\n' + originalSummary;
-  }
-}
-
-module.exports = FailureOnlyPerBrowserReporter;
diff --git a/lib/testem/failure-only-reporter.js b/lib/testem/failure-only-reporter.js
deleted file mode 100644
index f89b9198cab..00000000000
--- a/lib/testem/failure-only-reporter.js
+++ /dev/null
@@ -1,23 +0,0 @@
-const TapReporter = require('testem/lib/reporters/tap_reporter');
-
-class FailureOnlyReporter extends TapReporter {
-  constructor(...args) {
-    super(...args);
-    this._reportCount = 0;
-  }
-
-  display(prefix, result) {
-    this._reportCount++;
-
-    if (!result.passed) {
-      super.display(prefix, result);
-    }
-
-    if (this._reportCount > 100) {
-      this.out.write('pass count: ' + this.pass + '\n');
-      this._reportCount = 0;
-    }
-  }
-}
-
-module.exports = FailureOnlyReporter;
diff --git a/package.json b/package.json
index cf9d57a940d..a896b920519 100644
--- a/package.json
+++ b/package.json
@@ -154,6 +154,7 @@
     "serve-static": "^1.13.2",
     "simple-dom": "^1.4.0",
     "testem": "^2.14.0",
+    "testem-failure-only-reporter": "^0.0.1",
     "tslint": "^5.12.1",
     "typescript-eslint-parser": "^21.0.2"
   },
diff --git a/testem.browserstack.js b/testem.browserstack.js
index d577d1dd98b..e9a122f885c 100644
--- a/testem.browserstack.js
+++ b/testem.browserstack.js
@@ -1,4 +1,4 @@
-const FailureOnlyPerBrowserReporter = require('./lib/testem/failure-only-per-browser-reporter');
+const FailureOnlyPerBrowserReporter = require('testem-failure-only-reporter/grouped-by-browser');
 
 module.exports = {
   test_page: 'dist/tests/index.html?hidepassed&hideskipped&timeout=60000',
diff --git a/testem.travis-browsers.js b/testem.travis-browsers.js
index ca0a83104f1..9d2d02fdd5c 100644
--- a/testem.travis-browsers.js
+++ b/testem.travis-browsers.js
@@ -1,4 +1,4 @@
-const FailureOnlyReporter = require('./lib/testem/failure-only-reporter');
+const FailureOnlyReporter = require('testem-failure-only-reporter');
 
 module.exports = {
   test_page: 'tests/index.html?hidepassed&hideskipped&timeout=60000',
diff --git a/yarn.lock b/yarn.lock
index e0631a8db77..65475856231 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8188,6 +8188,13 @@ testdouble@^3.2.6:
     quibble "^0.5.1"
     stringify-object-es5 "^2.5.0"
 
+testem-failure-only-reporter@^0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/testem-failure-only-reporter/-/testem-failure-only-reporter-0.0.1.tgz#d096a22b3c78b4d4bdc74d4f8727d75ef8c57b7a"
+  integrity sha512-a3bquFhuguXcI244mAzt8ByCIEoAOsI7NVihNafi8PTYDVCnpgxm73JluduR9GITXopdOeyLAJnlI3pavY7x3w==
+  dependencies:
+    testem "^2.9.2"
+
 testem@^2.14.0, testem@^2.9.2:
   version "2.14.0"
   resolved "https://registry.yarnpkg.com/testem/-/testem-2.14.0.tgz#418a9a15843f68381659c6a486abb4ea48d06c29"