diff --git a/Attribution.txt b/Attribution.txt
index bbb12d4..ad1febc 100644
--- a/Attribution.txt
+++ b/Attribution.txt
@@ -1,8 +1,5 @@
 The following open source projects are referenced by Device UART:
 
-pkg/errors (BSD-2) https://github.com/pkg/errors
-https://github.com/pkg/errors/blob/master/LICENSE
-
 cenkalti/backoff (MIT) https://github.com/cenkalti/backoff
 https://github.com/cenkalti/backoff/blob/master/LICENSE