diff --git a/addon/ng2/blueprints/ng2/files/src/tsconfig.json b/addon/ng2/blueprints/ng2/files/src/tsconfig.json
deleted file mode 120000
index 4ec6ff6afff9..000000000000
--- a/addon/ng2/blueprints/ng2/files/src/tsconfig.json
+++ /dev/null
@@ -1 +0,0 @@
-../tsconfig.json
\ No newline at end of file
diff --git a/addon/ng2/blueprints/ng2/files/src/tsconfig.json b/addon/ng2/blueprints/ng2/files/src/tsconfig.json
new file mode 100644
index 000000000000..87d7f339fd9a
--- /dev/null
+++ b/addon/ng2/blueprints/ng2/files/src/tsconfig.json
@@ -0,0 +1,17 @@
+{
+  "compilerOptions": {
+    "declaration": false,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "mapRoot": "",
+    "module": "system",
+    "moduleResolution": "node",
+    "noEmitOnError": true,
+    "noImplicitAny": false,
+    "outDir": "../dist/",
+    "rootDir": ".",
+    "sourceMap": true,
+    "sourceRoot": "/",
+    "target": "es5"
+  }
+}
diff --git a/addon/ng2/blueprints/ng2/files/src/typings.d.ts b/addon/ng2/blueprints/ng2/files/src/typings.d.ts
new file mode 100644
index 000000000000..beb6cefcecec
--- /dev/null
+++ b/addon/ng2/blueprints/ng2/files/src/typings.d.ts
@@ -0,0 +1 @@
+/// <reference path="../typings/browser.d.ts" />
diff --git a/addon/ng2/blueprints/ng2/files/tsconfig.json b/addon/ng2/blueprints/ng2/files/tsconfig.json
deleted file mode 100644
index b697ea88669b..000000000000
--- a/addon/ng2/blueprints/ng2/files/tsconfig.json
+++ /dev/null
@@ -1,23 +0,0 @@
-{
-  "compilerOptions": {
-    "declaration": false,
-    "emitDecoratorMetadata": true,
-    "experimentalDecorators": true,
-    "mapRoot": "",
-    "module": "system",
-    "moduleResolution": "node",
-    "noEmitOnError": true,
-    "noImplicitAny": false,
-    "outDir": "../dist/",
-    "rootDir": ".",
-    "sourceMap": true,
-    "sourceRoot": "/",
-    "target": "es5"
-  },
-  "exclude": [
-    "e2e/",
-    "node_modules/",
-    "typings/main",
-    "typings/main.d.ts"
-  ]
-}
diff --git a/lib/broccoli/angular2-app.js b/lib/broccoli/angular2-app.js
index f51810160e68..cd9a5a172fe2 100644
--- a/lib/broccoli/angular2-app.js
+++ b/lib/broccoli/angular2-app.js
@@ -3,17 +3,17 @@ var Concat = require('broccoli-concat');
 var configReplace = require('./broccoli-config-replace');
 var compileWithTypescript = require('./broccoli-typescript').default;
 var fs = require('fs');
-var glob = require('glob');
 var Funnel = require('broccoli-funnel');
 var mergeTrees = require('broccoli-merge-trees');
 var Project = require('ember-cli/lib/models/project');
 
 module.exports = Angular2App;
 
-function Angular2App(defaults, options) {
+function Angular2App(defaults, options, additionalPaths) {
     this._initProject();
     this._notifyAddonIncluded();
     this.options = options;
+    this.additionalPaths = additionalPaths || [];
 }
 
 Angular2App.prototype.toTree = function() {
@@ -34,24 +34,11 @@ Angular2App.prototype.toTree = function() {
       vendorNpmFiles = vendorNpmFiles.concat(this.options.vendorNpmFiles);
     }
 
-    var tsConfig = JSON.parse(fs.readFileSync('tsconfig.json', 'utf-8'));
-    var tsConfigCompilerOptions = tsConfig.compilerOptions;
-
-    // `rootFilesPath` is used by the broccoli-typescript to add files to the compilation.
-    // It is _not_ part of the `tsconfig.json` spec, so it won't be found in
-    // tsConfigCompilerOptions. This adds the typings manually to the compilation step.
-    // We pass in all files except those that matches excluded paths.
-    var exclude = tsConfig.exclude || [];
-    var files = glob.sync('**/*.ts');
-    tsConfigCompilerOptions.rootFilePaths = files
-      .filter(function(x) {
-        // Remove those who start with paths in the tsconfig exclude list.
-        return !exclude.some(function(y) { return x.startsWith(y); });
-      })
-      .map((function(x) {
-        // Map them around the current working directory.
-        return path.join(process.cwd(), x);
-      }));
+    var tsConfigCompilerOptions = JSON.parse(fs.readFileSync('src/tsconfig.json', 'utf-8')).compilerOptions;
+    tsConfigCompilerOptions.rootFilePaths = ['typings.d.ts'].concat(this.additionalPaths)
+      .map(function(name) {
+        return path.join(process.cwd(), sourceTree, name)
+      });
 
     var tsTree = compileWithTypescript(sourceTree, tsConfigCompilerOptions);
     var tsSrcTree = new Funnel(sourceTree, {