diff --git a/app/components/Button.js b/app/components/Button.js
index b6825c78..35d6f562 100644
--- a/app/components/Button.js
+++ b/app/components/Button.js
@@ -1,7 +1,7 @@
 // @flow
 import * as React from 'react';
 import styled from 'styled-components';
-import { darken, lighten } from 'polished';
+import { darken } from 'polished';
 
 const RealButton = styled.button`
   display: inline-block;