diff --git a/Gruntfile.js b/Gruntfile.js
index 8a71fb44148..2d5990b5f58 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -25,7 +25,6 @@ module.exports = function (grunt) {
     }
   }
 
-  config.coverage = grunt.option('coverage');
   config.phjs = grunt.option('phjsToRelease');
   config.pkg.version = grunt.option('pkgVer') || config.pkg.version;
 
diff --git a/codecov.yml b/codecov.yml
deleted file mode 100644
index b2a839365ac..00000000000
--- a/codecov.yml
+++ /dev/null
@@ -1,11 +0,0 @@
-coverage:
-  precision: 2
-  round: down
-  range: "50...100"
-
-  status:
-    project: yes
-    patch: yes
-    changes: no
-
-comment: off
diff --git a/package.json b/package.json
index f4846f9fc51..1e7ed02c87b 100644
--- a/package.json
+++ b/package.json
@@ -100,7 +100,6 @@
     "watch": "webpack --progress --colors --watch --mode development --config scripts/webpack/webpack.dev.js",
     "build": "grunt build",
     "test": "grunt test",
-    "test:coverage": "grunt test --coverage=true",
     "lint": "tslint -c tslint.json --project tsconfig.json",
     "jest": "jest --notify --watch",
     "api-tests": "jest --notify --watch --config=tests/api/jest.js",
diff --git a/scripts/grunt/options/exec.js b/scripts/grunt/options/exec.js
index 087439f7ea9..2634f2b546b 100644
--- a/scripts/grunt/options/exec.js
+++ b/scripts/grunt/options/exec.js
@@ -1,14 +1,9 @@
 module.exports = function(config, grunt) {
   'use strict';
 
-  var coverage = '';
-  if (config.coverage) {
-    coverage = '--coverage --maxWorkers 2';
-  }
-
   return {
     tslint: 'node ./node_modules/tslint/lib/tslintCli.js -c tslint.json --project ./tsconfig.json',
-    jest: 'node ./node_modules/jest-cli/bin/jest.js ' + coverage,
+    jest: 'node ./node_modules/jest-cli/bin/jest.js',
     webpack: 'node ./node_modules/webpack/bin/webpack.js --config scripts/webpack/webpack.prod.js',
   };
 };