diff --git a/src/components/box/box.jsx b/src/components/box/box.jsx
index a5d993d1..95b1fbac 100644
--- a/src/components/box/box.jsx
+++ b/src/components/box/box.jsx
@@ -2,7 +2,6 @@
 @todo This file is copied from GUI and should be pulled out into a shared library.
 See https://github.com/LLK/scratch-paint/issues/13 */
 
-import classNames from 'classnames';
 import PropTypes from 'prop-types';
 import React from 'react';
 import stylePropType from 'react-style-proptype';