diff --git a/test/karma.config.ts b/test/karma.config.ts
index a89437b2dd8..bade868597b 100644
--- a/test/karma.config.ts
+++ b/test/karma.config.ts
@@ -19,18 +19,18 @@ export function config(config) {
       require('karma-firefox-launcher'),
     ],
     files: [
-      {pattern: 'node_modules/es6-shim/es6-shim.min.js', included: true, watched: true},
-      {pattern: 'node_modules/systemjs/dist/system-polyfills.js', included: true, watched: true},
+      {pattern: 'node_modules/es6-shim/es6-shim.min.js', included: true, watched: false},
+      {pattern: 'node_modules/systemjs/dist/system-polyfills.js', included: true, watched: false},
       'node_modules/angular2/es6/dev/src/testing/shims_for_IE.js',
 
       // Angular 2 polyfills *must* be loaded after es6-shim and system-polyfills in order to
       // setup the monkey-patches for zones.
-      {pattern: 'node_modules/angular2/bundles/angular2-polyfills.js', included: true, watched: true},
-      {pattern: 'node_modules/systemjs/dist/system.src.js', included: true, watched: true},
-      {pattern: 'node_modules/rxjs/bundles/Rx.js', included: true, watched: true},
+      {pattern: 'node_modules/angular2/bundles/angular2-polyfills.js', included: true, watched: false},
+      {pattern: 'node_modules/systemjs/dist/system.src.js', included: true, watched: false},
+      {pattern: 'node_modules/rxjs/bundles/Rx.js', included: true, watched: false},
       'node_modules/reflect-metadata/Reflect.js',
-      {pattern: 'node_modules/angular2/bundles/angular2.dev.js', included: true, watched: true},
-      {pattern: 'node_modules/angular2/bundles/testing.dev.js', included: true, watched: true},
+      {pattern: 'node_modules/angular2/bundles/angular2.dev.js', included: true, watched: false},
+      {pattern: 'node_modules/angular2/bundles/testing.dev.js', included: true, watched: false},
 
       {pattern: 'test/karma-test-shim.js', included: true, watched: true},