diff --git a/client.go b/client.go
index ea962a3..7a3cdc1 100644
--- a/client.go
+++ b/client.go
@@ -19,11 +19,6 @@ import (
 	"unicode"
 )
 
-type ReadWriter struct {
-	io.Reader
-	io.Writer
-}
-
 type Client struct {
 	key          *rsa.PrivateKey
 	host         string