diff --git a/transport/internet/context.go b/transport/internet/context.go
index da9168f6..afd5ccd5 100644
--- a/transport/internet/context.go
+++ b/transport/internet/context.go
@@ -10,7 +10,6 @@ type key int
 
 const (
 	streamSettingsKey key = iota
-	dialerSrcKey
 	bindAddrKey
 )