diff --git a/lib/6to5/transformation/transformers/playground-object-getter-memoization.js b/lib/6to5/transformation/transformers/playground-object-getter-memoization.js
index 39f8b711d7..3fdb70beb6 100644
--- a/lib/6to5/transformation/transformers/playground-object-getter-memoization.js
+++ b/lib/6to5/transformation/transformers/playground-object-getter-memoization.js
@@ -1,5 +1,4 @@
 var traverse = require("../../traverse");
-var util     = require("../../util");
 var t        = require("../../types");
 
 exports.Property =