diff --git a/karma.conf.js b/karma.conf.js
index 357147f..07bcc3e 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -22,7 +22,7 @@ module.exports = function (config) {
     },
     coverageIstanbulReporter: {
       dir: require('path').join(__dirname, './coverage'),
-      reports: ['html', 'lcovonly', 'text-summary'],
+      reports: ['lcovonly'],
       fixWebpackSourcePaths: true
     },
     customLaunchers: {