1 files changed, 0 insertions, 40 deletions
diff --git a/app/assets/javascripts/authentication/u2f/util.js b/app/assets/javascripts/authentication/u2f/util.js
deleted file mode 100644
index b706481c02f..00000000000
--- a/app/assets/javascripts/authentication/u2f/util.js
+++ /dev/null
@@ -1,40 +0,0 @@
-function isOpera(userAgent) {
-  return userAgent.indexOf('Opera') >= 0 || userAgent.indexOf('OPR') >= 0;
-}
-
-function getOperaVersion(userAgent) {
-  const match = userAgent.match(/OPR[^0-9]*([0-9]+)[^0-9]+/);
-  return match ? parseInt(match[1], 10) : false;
-}
-
-function isChrome(userAgent) {
-  return userAgent.indexOf('Chrom') >= 0 && !isOpera(userAgent);
-}
-
-function getChromeVersion(userAgent) {
-  const match = userAgent.match(/Chrom(?:e|ium)\/([0-9]+)\./);
-  return match ? parseInt(match[1], 10) : false;
-}
-
-export function canInjectU2fApi(userAgent) {
-  const isSupportedChrome = isChrome(userAgent) && getChromeVersion(userAgent) >= 41;
-  const isSupportedOpera = isOpera(userAgent) && getOperaVersion(userAgent) >= 40;
-  const isMobile =
-    userAgent.indexOf('droid') >= 0 ||
-    userAgent.indexOf('CriOS') >= 0 ||
-    /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent);
-  return (isSupportedChrome || isSupportedOpera) && !isMobile;
-}
-
-export default function importU2FLibrary() {
-  if (window.u2f) {
-    return Promise.resolve(window.u2f);
-  }
-
-  const userAgent = typeof navigator !== 'undefined' ? navigator.userAgent : '';
-  if (canInjectU2fApi(userAgent) || (gon && gon.test_env)) {
-    return import(/* webpackMode: "eager" */ 'vendor/u2f').then(() => window.u2f);
-  }
-
-  return Promise.reject();
-}