diff --git a/mocha/mocha-tests.ts b/mocha/mocha-tests.ts
index 19c869c13..597d9cbe2 100644
--- a/mocha/mocha-tests.ts
+++ b/mocha/mocha-tests.ts
@@ -1,7 +1,5 @@
 /// <reference path="mocha.d.ts" />
 
-var mocha: Mocha;
-
 function test_describe() {
     describe('something', () => { });
 
diff --git a/mocha/mocha.d.ts b/mocha/mocha.d.ts
index bf930d3b0..9b55761c6 100644
--- a/mocha/mocha.d.ts
+++ b/mocha/mocha.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for mocha 1.9.0
+// Type definitions for mocha 1.17.1
 // Project: http://visionmedia.github.io/mocha/
 // Definitions by: Kazi Manzur Rashid <https://github.com/kazimanzurrashid/>
 // DefinitelyTyped: https://github.com/borisyankov/DefinitelyTyped
@@ -46,12 +46,12 @@ interface MochaSetupOptions {
     grep?: any;
 }
 
-declare module mocha {
-    interface Done {
-        (error?: Error): void;
-    }
+interface MochaDone {
+    (error?: Error): void;
 }
 
+declare var mocha: Mocha;
+
 declare var describe : {
     (description: string, spec: () => void): void;
     only(description: string, spec: () => void): void;
@@ -61,42 +61,42 @@ declare var describe : {
 
 declare var it: {
     (expectation: string, assertion?: () => void): void;
-    (expectation: string, assertion?: (done: mocha.Done) => void): void;
+    (expectation: string, assertion?: (done: MochaDone) => void): void;
     only(expectation: string, assertion?: () => void): void;
-    only(expectation: string, assertion?: (done: mocha.Done) => void): void;
+    only(expectation: string, assertion?: (done: MochaDone) => void): void;
     skip(expectation: string, assertion?: () => void): void;
-    skip(expectation: string, assertion?: (done: mocha.Done) => void): void;
+    skip(expectation: string, assertion?: (done: MochaDone) => void): void;
     timeout(ms: number): void;
 };
 
 declare function before(action: () => void): void;
 
-declare function before(action: (done: mocha.Done) => void): void;
+declare function before(action: (done: MochaDone) => void): void;
 
 declare function setup(action: () => void): void;
 
-declare function setup(action: (done: mocha.Done) => void): void;
+declare function setup(action: (done: MochaDone) => void): void;
 
 declare function after(action: () => void): void;
 
-declare function after(action: (done: mocha.Done) => void): void;
+declare function after(action: (done: MochaDone) => void): void;
 
 declare function teardown(action: () => void): void;
 
-declare function teardown(action: (done: mocha.Done) => void): void;
+declare function teardown(action: (done: MochaDone) => void): void;
 
 declare function beforeEach(action: () => void): void;
 
-declare function beforeEach(action: (done: mocha.Done) => void): void;
+declare function beforeEach(action: (done: MochaDone) => void): void;
 
 declare function suiteSetup(action: () => void): void;
 
-declare function suiteSetup(action: (done: mocha.Done) => void): void;
+declare function suiteSetup(action: (done: MochaDone) => void): void;
 
 declare function afterEach(action: () => void): void;
 
-declare function afterEach(action: (done: mocha.Done) => void): void;
+declare function afterEach(action: (done: MochaDone) => void): void;
 
 declare function suiteTeardown(action: () => void): void;
 
-declare function suiteTeardown(action: (done: mocha.Done) => void): void;
+declare function suiteTeardown(action: (done: MochaDone) => void): void;