diff --git a/js/cards/disk2.js b/js/cards/disk2.js
index e1f389c..27d3f78 100644
--- a/js/cards/disk2.js
+++ b/js/cards/disk2.js
@@ -10,7 +10,7 @@
  */
 
 import { base64_decode, base64_encode } from '../base64';
-import { bytify, debug, toHex } from '../util';
+import { bytify, debug } from '../util';
 
 export const DISK_TYPES = ['dsk','d13','do','po','raw','nib','2mg'];