diff --git a/examples/with-absolute-imports/package.json b/examples/with-absolute-imports/package.json
index 6d37fcb1d4230..280f74e064127 100644
--- a/examples/with-absolute-imports/package.json
+++ b/examples/with-absolute-imports/package.json
@@ -5,9 +5,11 @@
     "start": "next start"
   },
   "dependencies": {
-    "babel-plugin-module-resolver": "^2.7.1",
     "next": "latest",
     "react": "^16.1.1",
     "react-dom": "^16.1.1"
+  },
+  "devDependencies": {
+    "babel-plugin-module-resolver": "^3.1.1"
   }
 }
diff --git a/examples/with-universal-configuration/.babelrc b/examples/with-universal-configuration/.babelrc
deleted file mode 100644
index e1580ad7a468a..0000000000000
--- a/examples/with-universal-configuration/.babelrc
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "presets": [
-    "next/babel"
-  ],
-  "plugins": [
-    ["transform-define", "./env-config.js"]
-  ]
-}
diff --git a/examples/with-universal-configuration/.babelrc.js b/examples/with-universal-configuration/.babelrc.js
new file mode 100644
index 0000000000000..5d41651bbc636
--- /dev/null
+++ b/examples/with-universal-configuration/.babelrc.js
@@ -0,0 +1,6 @@
+const env = require('./env-config.js')
+
+module.exports = {
+  presets: ['next/babel'],
+  plugins: [['transform-define', env]]
+}
diff --git a/examples/with-universal-configuration/package.json b/examples/with-universal-configuration/package.json
index 317d9dce1b1aa..585b9e518b567 100644
--- a/examples/with-universal-configuration/package.json
+++ b/examples/with-universal-configuration/package.json
@@ -12,7 +12,7 @@
     "react-dom": "^16.0.0"
   },
   "devDependencies": {
-    "babel-plugin-transform-define": "^1.2.0"
+    "babel-plugin-transform-define": "^1.3.0"
   },
   "license": "ISC"
 }
diff --git a/lib/app.js b/lib/app.js
index fc1de5f25036d..886743e1f3c5c 100644
--- a/lib/app.js
+++ b/lib/app.js
@@ -79,9 +79,7 @@ export class Container extends Component {
 }
 
 const warnUrl = execOnce(() => {
-  if (process.env.NODE_ENV !== 'production') {
-    warn(`Warning: the 'url' property is deprecated. https://err.sh/next.js/url-deprecated`)
-  }
+  warn(`Warning: the 'url' property is deprecated. https://err.sh/next.js/url-deprecated`)
 })
 
 export function createUrl (router) {