diff --git a/firebase.json b/firebase.json
index e05bedc..5396853 100644
--- a/firebase.json
+++ b/firebase.json
@@ -1,6 +1,6 @@
 {
   "hosting": {
-    "public": "build/modern",
+    "public": "build/default",
     "rewrites": [
       {
         "source": "!/__/**",
diff --git a/polymer.json b/polymer.json
index 9d49f9e..e7d94f5 100644
--- a/polymer.json
+++ b/polymer.json
@@ -19,14 +19,8 @@
     "rules": ["polymer-2"]
   },
   "builds": [{
-    "name": "fallback",
-    "preset": "es5-bundled",
-    "basePath": false,
-    "browserCapabilities": []
-  }, {
-    "name": "modern",
-    "preset": "es6-unbundled",
-    "basePath": false,
-    "browserCapabilities": ["es2015", "push"]
+    "name": "default",
+    "preset": "es6-bundled",
+    "basePath": false
   }]
 }