diff --git a/handler.go b/handler.go
index 7d1a40a..084e427 100644
--- a/handler.go
+++ b/handler.go
@@ -2,7 +2,6 @@ package moqtransport
 
 // Common Message types. Handlers can react to any of these messages.
 const (
-	MessageSubscribe            = "SUBSCRIBE"
 	MessageFetch                = "FETCH"
 	MessageAnnounce             = "ANNOUNCE"
 	MessageAnnounceCancel       = "ANNOUNCE_CANCEL"