diff --git a/common_test.go b/common_test.go
index 2a35c366..66750ca1 100644
--- a/common_test.go
+++ b/common_test.go
@@ -2,7 +2,6 @@ package main
 
 import (
 	"bytes"
-	"encoding/hex"
 	"fmt"
 	"testing"
 )