diff --git a/src/addons/transitions/__tests__/ReactTransitionGroup-test.js b/src/addons/transitions/__tests__/ReactTransitionGroup-test.js
index 8455d3fba1..1e5801f3bd 100644
--- a/src/addons/transitions/__tests__/ReactTransitionGroup-test.js
+++ b/src/addons/transitions/__tests__/ReactTransitionGroup-test.js
@@ -85,7 +85,7 @@ describe('ReactTransitionGroup', function() {
 
   describe('with an undefined child', function () {
     it('should fail silently', function () {
-      var a = React.renderComponent(
+      React.renderComponent(
         <ReactTransitionGroup transitionName="yolo">
         </ReactTransitionGroup>,
         container