diff --git a/testem.json b/testem.json
index 5f909db9..d5ce7e2c 100644
--- a/testem.json
+++ b/testem.json
@@ -2,8 +2,8 @@
   "framework": "qunit",
   "test_page": "tests/index.html?hidepassed",
   "launch_in_ci": [
-    "SL_chrome",
-    "SL_firefox",
+    // "SL_chrome",
+    // "SL_firefox",
     "PhantomJS"
   ],
   "launch_in_dev": [