diff --git a/modules/angular2/globals.ts b/modules/angular2/globals.ts
index a678ed9bbf..e0b1de5e97 100644
--- a/modules/angular2/globals.ts
+++ b/modules/angular2/globals.ts
@@ -19,6 +19,5 @@ interface Window {
   JSON: typeof JSON;
   Math: typeof Math;
   assert: typeof assert;
-  NaN: typeof NaN;
   gc(): void;
 }
diff --git a/modules/angular2/src/facade/math.ts b/modules/angular2/src/facade/math.ts
index f813fd8d85..4c15bf1e3e 100644
--- a/modules/angular2/src/facade/math.ts
+++ b/modules/angular2/src/facade/math.ts
@@ -6,4 +6,4 @@ import {global} from 'angular2/src/facade/lang';
 export var __esModule = true;
 
 export var Math = global.Math;
-export var NaN = global.NaN;
+export var NaN = typeof NaN;
diff --git a/modules/angular2/tsd.json b/modules/angular2/tsd.json
index 3ce6280f40..86f68cf83b 100644
--- a/modules/angular2/tsd.json
+++ b/modules/angular2/tsd.json
@@ -72,9 +72,6 @@
     "selenium-webdriver/selenium-webdriver.d.ts": {
       "commit": "be0b6b394f77a59e192ad7cfec18078706e44db5"
     },
-    "touch-events/touch-events.d.ts": {
-      "commit": "055b3172e8eb374a75826710c4d08677872620d3"
-    },
     "zone/zone.d.ts": {
       "commit": "055b3172e8eb374a75826710c4d08677872620d3"
     }
diff --git a/npm-shrinkwrap.clean.json b/npm-shrinkwrap.clean.json
index 8bcfd28c51..1d22a7e60f 100644
--- a/npm-shrinkwrap.clean.json
+++ b/npm-shrinkwrap.clean.json
@@ -8712,7 +8712,7 @@
     },
     "typescript": {
       "version": "1.5.0",
-      "resolved": "git://github.com/alexeagle/TypeScript.git#93dbbe2a2d0b42cefd02ac949e4bc8ab6b5b5823"
+      "resolved": "git://github.com/mhegazy/TypeScript.git#v1.5-beta"
     },
     "vinyl": {
       "version": "0.4.6",
diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 6f748db0da..f8eb37bde0 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -13443,8 +13443,8 @@
     },
     "typescript": {
       "version": "1.5.0",
-      "from": "git://github.com/alexeagle/TypeScript.git#93dbbe2a2d0b42cefd02ac949e4bc8ab6b5b5823",
-      "resolved": "git://github.com/alexeagle/TypeScript.git#93dbbe2a2d0b42cefd02ac949e4bc8ab6b5b5823"
+      "from": "git://github.com/mhegazy/TypeScript.git#v1.5-beta",
+      "resolved": "git://github.com/mhegazy/TypeScript.git#v1.5-beta"
     },
     "vinyl": {
       "version": "0.4.6",
diff --git a/package.json b/package.json
index ac119d3707..0951fc1779 100644
--- a/package.json
+++ b/package.json
@@ -108,7 +108,7 @@
     "through2": "^0.6.1",
     "ts2dart": "^0.3.0",
     "tsd": "^0.5.7",
-    "typescript": "alexeagle/TypeScript#93dbbe2a2d0b42cefd02ac949e4bc8ab6b5b5823",
+    "typescript": "mhegazy/TypeScript#v1.5-beta",
     "vinyl": "^0.4.6",
     "walk-sync": "^0.1.3",
     "xtend": "^4.0.0",