diff --git a/package.json b/package.json
index 555ac7824..7d0bf4dfa 100644
--- a/package.json
+++ b/package.json
@@ -20,10 +20,8 @@
     "karma": "^0.13.19",
     "karma-chai": "^0.1.0",
     "karma-chai-sinon": "^0.1.5",
-    "karma-chrome-launcher": "^0.2.2",
     "karma-cli": "^0.1.2",
     "karma-coverage": "^0.5.3",
-    "karma-firefox-launcher": "^0.1.7",
     "karma-junit-reporter": "^0.3.8",
     "karma-mocha": "^0.2.1",
     "karma-phantomjs-launcher": "^1.0.0",