diff --git a/protocol/rtsp/rtsp.go b/protocol/rtsp/rtsp.go
index 415368c2..596fcec3 100644
--- a/protocol/rtsp/rtsp.go
+++ b/protocol/rtsp/rtsp.go
@@ -23,10 +23,6 @@ const (
 	setup    = "SETUP"
 )
 
-type ResponseWriter interface {
-	http.ResponseWriter
-}
-
 type Request struct {
 	Method        string
 	URL           *url.URL