diff --git a/conn/conn_default.go b/conn/conn_default.go
index 8be3c9d..7bd05e9 100644
--- a/conn/conn_default.go
+++ b/conn/conn_default.go
@@ -37,7 +37,7 @@ func CreateEndpoint(s string) (Endpoint, error) {
 	return (*NativeEndpoint)(addr), err
 }
 
-func (_ *NativeEndpoint) ClearSrc() {}
+func (*NativeEndpoint) ClearSrc() {}
 
 func (e *NativeEndpoint) DstIP() net.IP {
 	return (*net.UDPAddr)(e).IP