diff --git a/dist/zone.js.d.ts b/dist/zone.js.d.ts
index 1fb6681a1..719aa4242 100644
--- a/dist/zone.js.d.ts
+++ b/dist/zone.js.d.ts
@@ -442,8 +442,4 @@ interface MacroTask extends Task {
 }
 interface EventTask extends Task {
 }
-/** @internal */
-declare type AmbientZone = Zone;
-/** @internal */
-declare type AmbientZoneDelegate = ZoneDelegate;
 declare var Zone: ZoneType;
diff --git a/package.json b/package.json
index 76b2201c9..af456f295 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "zone.js",
-  "version": "0.6.8",
+  "version": "0.6.9",
   "description": "Zones for JavaScript",
   "main": "dist/zone-node.js",
   "browser": "dist/zone.js",