diff --git a/src/class-names/index.js b/src/class-names/index.js
index c456d5bdd640dc47f80cbcc4fa49cde3697d206f..595102900105aa7712db367e280bbb1cc7c9e993 100644
--- a/src/class-names/index.js
+++ b/src/class-names/index.js
@@ -10,7 +10,6 @@ import invariant from 'tiny-invariant'
 import getPlugins from './getPlugins'
 import getVariants from './getVariants'
 import resolveConfig from './resolveConfig'
-import * as util from 'util'
 import * as path from 'path'
 import * as fs from 'fs'
 import { getUtilityConfigMap } from './getUtilityConfigMap'