diff --git a/chai-jquery/chai-jquery-tests.ts b/chai-jquery/chai-jquery-tests.ts
index fbd05480e..97ed7a36a 100644
--- a/chai-jquery/chai-jquery-tests.ts
+++ b/chai-jquery/chai-jquery-tests.ts
@@ -1,5 +1,5 @@
-/// <reference path="../chai/chai.d.ts" />
-/// <reference path="chai-jquery.d.ts" />
+/// <reference path="../chai/chai.d.ts" />
+/// <reference path="chai-jquery.d.ts" />
 
 declare var $;
 var expect = chai.expect;
diff --git a/chai/chai-assert-test.ts b/chai/chai-assert-tests.ts
similarity index 99%
rename from chai/chai-assert-test.ts
rename to chai/chai-assert-tests.ts
index b4a5a15be..19429b4c9 100644
--- a/chai/chai-assert-test.ts
+++ b/chai/chai-assert-tests.ts
@@ -330,7 +330,7 @@ suite('assert', function () {
 
 	test('isArray', function () {
 		assert.isArray([]);
-		assert.isArray(new Array);
+		assert.isArray(new Array<any>());
 
 		err(function () {
 			assert.isArray({});
@@ -345,7 +345,7 @@ suite('assert', function () {
 		}, "expected [] not to be an array");
 
 		err(function () {
-			assert.isNotArray(new Array);
+			assert.isNotArray(new Array<any>());
 		}, "expected [] not to be an array");
 	});
 
diff --git a/chai/chai-tests.ts b/chai/chai-tests.ts
index 3774e3895..ab26aadbc 100644
--- a/chai/chai-tests.ts
+++ b/chai/chai-tests.ts
@@ -1,6 +1,5 @@
 /// <reference path="chai.d.ts" />
 
-var chai: chai;
 var expect = chai.expect;
 
 function test_be() {
diff --git a/chai/chai.d.ts b/chai/chai.d.ts
index f74673727..6a9010322 100644
--- a/chai/chai.d.ts
+++ b/chai/chai.d.ts
@@ -116,10 +116,6 @@ declare module chai {
         to: To;
     }
 
+    function expect(target: any): chai.ExpectMatchers;
 }
 
-interface chai {
-    expect: {
-        (target: any): chai.ExpectMatchers;
-    }
-}
diff --git a/sinon-chai/sinon-chai-tests.ts b/sinon-chai/sinon-chai-tests.ts
index 1ada034de..e4de0f5a4 100644
--- a/sinon-chai/sinon-chai-tests.ts
+++ b/sinon-chai/sinon-chai-tests.ts
@@ -1,5 +1,5 @@
-/// <reference path="../chai/chai.d.ts" />
-/// <reference path="sinon-chai.d.ts" />
+/// <reference path="../chai/chai.d.ts" />
+/// <reference path="sinon-chai.d.ts" />
 
 var expect = chai.expect;