diff --git a/dnsforward/upstream.go b/dnsforward/upstream.go
index 4f6b18da..89016951 100644
--- a/dnsforward/upstream.go
+++ b/dnsforward/upstream.go
@@ -2,7 +2,6 @@ package dnsforward
 
 import (
 	"bytes"
-	"crypto/tls"
 	"fmt"
 	"io/ioutil"
 	"log"