diff --git a/scripts/karma/karma.config.ts b/scripts/karma/karma.config.ts
index 7e4764c6e5..6e7e2d50a3 100644
--- a/scripts/karma/karma.config.ts
+++ b/scripts/karma/karma.config.ts
@@ -12,8 +12,7 @@ export function config(config) {
       require('karma-jasmine'),
       require('karma-coverage'),
       require('karma-sourcemap-loader'),
-      require('karma-chrome-launcher'),
-      require('karma-firefox-launcher'),
+      require('karma-chrome-launcher')
     ],
     files: [
       {pattern: 'dist/vendor/core-js/client/core.js', included: true, watched: false},