--- a/devtools/.eslintrc
+++ b/devtools/.eslintrc
@@ -1,38 +1,28 @@
 {
   "plugins": [
     "react"
   ],
   "globals": {
     "atob": true,
     "btoa": true,
-    "Cc": true,
-    "Ci": true,
     "Components": true,
     "clearInterval": true,
     "clearTimeout": true,
     "console": true,
-    "Cr": true,
-    "Cu": true,
     "devtools": true,
     "dump": true,
-    "EventEmitter": true,
     "exports": true,
     "isWorker": true,
     "loader": true,
     "module": true,
-    "reportError": true,
     "require": true,
     "setInterval": true,
     "setTimeout": true,
-    "Services": true,
-    "Task": true,
-    "XPCNativeWrapper": true,
-    "XPCOMUtils": true,
     "_Iterator": true,
   },
   "rules": {
     // These are the rules that have been configured so far to match the
     // devtools coding style.
 
     // Rules from the mozilla plugin
     "mozilla/mark-test-function-used": 1,