diff --git a/addon/ng2/models/webpack-build-common.ts b/addon/ng2/models/webpack-build-common.ts
index 3e56c9b58ead..98abd8ebfe5b 100644
--- a/addon/ng2/models/webpack-build-common.ts
+++ b/addon/ng2/models/webpack-build-common.ts
@@ -25,6 +25,15 @@ export function getWebpackCommonConfig(projectRoot: string, sourceDir: string, o
       filename: '[name].bundle.js'
     },
     module: {
+      preLoaders: [
+        {
+          test: /\.js$/,
+          loader: 'source-map-loader',
+          exclude: [
+            /node_modules/
+          ]
+        }
+      ],
       loaders: [
         {
           test: /\.ts$/,
diff --git a/addon/ng2/models/webpack-build-development.ts b/addon/ng2/models/webpack-build-development.ts
index e1ffa729bfa7..e738c89a69e4 100644
--- a/addon/ng2/models/webpack-build-development.ts
+++ b/addon/ng2/models/webpack-build-development.ts
@@ -4,7 +4,6 @@ const path = require('path')
 export const getWebpackDevConfigPartial = function(projectRoot: string, sourceDir: string, outputDir: string) {
   
   return {
-    debug: true,
     devtool: 'source-map',
     output: {
       path: path.resolve(projectRoot, outputDir),
@@ -12,14 +11,6 @@ export const getWebpackDevConfigPartial = function(projectRoot: string, sourceDi
       sourceMapFilename: '[name].map',
       chunkFilename: '[id].chunk.js'
     },
-    module: {
-      preLoaders: [
-        {
-          test: /\.js$/,
-          loader: 'source-map-loader'
-        }
-      ]
-    },
     tslint: {
       emitErrors: false,
       failOnHint: false,
diff --git a/addon/ng2/models/webpack-build-production.ts b/addon/ng2/models/webpack-build-production.ts
index db51c6b85b17..cde91bbd8bb8 100644
--- a/addon/ng2/models/webpack-build-production.ts
+++ b/addon/ng2/models/webpack-build-production.ts
@@ -16,17 +16,6 @@ export const getWebpackProdConfigPartial = function(projectRoot: string, sourceD
       sourceMapFilename: '[name].[chunkhash].bundle.map',
       chunkFilename: '[id].[chunkhash].chunk.js'
     },
-    module: {
-      preLoaders: [
-        {
-          test: /\.js$/,
-          loader: 'source-map-loader',
-          exclude: [
-            /node_modules/ // don't pull in vendor sourcemaps for production builds, increased speed for build
-          ]
-        }
-      ]
-    },
     plugins: [
       new WebpackMd5Hash(),
       new webpack.optimize.DedupePlugin(),
diff --git a/addon/ng2/models/webpack-build-utils.ts b/addon/ng2/models/webpack-build-utils.ts
index 579ee34662cd..dcaa15558593 100644
--- a/addon/ng2/models/webpack-build-utils.ts
+++ b/addon/ng2/models/webpack-build-utils.ts
@@ -19,6 +19,5 @@ export const webpackDevServerOutputOptions = {
   hash: true,
   timings: true,
   chunks: false,
-  chunkModules: false,
-  warnings: false
+  chunkModules: false
 }