diff --git a/types/dc/dc-tests.ts b/types/dc/dc-tests.ts
index 643594276d..7e1a49727e 100644
--- a/types/dc/dc-tests.ts
+++ b/types/dc/dc-tests.ts
@@ -1,3 +1,8 @@
+import * as CrossFilter from 'crossfilter';
+import * as d3 from "d3";
+import * as dc from "dc";
+
+
 interface IYelpData {
     city: string;
     review_count: number;
diff --git a/types/dc/index.d.ts b/types/dc/index.d.ts
index 4ba0e5e4ab..9100acdc26 100644
--- a/types/dc/index.d.ts
+++ b/types/dc/index.d.ts
@@ -5,10 +5,6 @@
 //                 matthias jobst <https://github.com/MatthiasJobst>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-// this makes only sense together with d3 and crossfilter so you need the d3.d.ts and crossfilter.d.ts files
-
-///<reference types="crossfilter" />
-
 import * as d3 from "d3";
 
 export = dc;