diff --git a/typescript-services/typescriptServices.d.ts b/typescript-services/typescriptServices.d.ts
index 25f174b43b..dfa2c633d0 100644
--- a/typescript-services/typescriptServices.d.ts
+++ b/typescript-services/typescriptServices.d.ts
@@ -592,12 +592,6 @@ declare module TypeScript.Collections {
     function createHashTable<TKey, TValue>(capacity?: number, hash?: (k: TKey) => number): HashTable<TKey, TValue>;
     function identityHashCode(value: any): number;
 }
-declare class Enumerator {
-    public atEnd(): boolean;
-    public moveNext(): boolean;
-    public item(): any;
-    constructor(o: any);
-}
 declare module TypeScript {
     var nodeMakeDirectoryTime: number;
     var nodeCreateBufferTime: number;