diff --git a/testem.json b/testem.json
index 977793f..f70f575 100644
--- a/testem.json
+++ b/testem.json
@@ -1,8 +1,6 @@
 {
   "framework": "mocha",
   "src_files": [
-    "node_modules/chai/chai.js",
-    "node_modules/sinon/pkg/sinon.js",
     "build/tests.js"
   ],
   "launchers": {