diff --git a/src/operations/category-chart.component.ts b/src/operations/category-chart.component.ts
index 2a76403..a1d633e 100644
--- a/src/operations/category-chart.component.ts
+++ b/src/operations/category-chart.component.ts
@@ -23,10 +23,7 @@ import * as c3 from 'c3';
 
 import * as angular from 'angular';
 
-var ngResource = require('angular-resource');
-
 module.exports = angular.module('categoryChartModule', [
-    ngResource
 ])
 
     .component('categoryChart', {