diff --git a/polymer.json b/polymer.json
index fa3e40829..84f11af78 100644
--- a/polymer.json
+++ b/polymer.json
@@ -9,8 +9,7 @@
   ],
   "sources": [
     "src/**/*",
-    "images/**/*",
-    "bower.json"
+    "images/**/*"
   ],
   "extraDependencies": [
     "manifest.json",