From 035fddeb5dc0eecefd711b3be0e0be976c3a93a9 Mon Sep 17 00:00:00 2001
From: Marten Seemann <martenseemann@gmail.com>
Date: Wed, 5 May 2021 19:52:21 +0700
Subject: [PATCH] remove unused field permanent from mapping

---
 mapping.go | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/mapping.go b/mapping.go
index 33f25f6..1835ed9 100644
--- a/mapping.go
+++ b/mapping.go
@@ -38,12 +38,11 @@ type Mapping interface {
 type mapping struct {
 	sync.Mutex // guards all fields
 
-	nat       *NAT
-	proto     string
-	intport   int
-	extport   int
-	permanent bool
-	proc      goprocess.Process
+	nat     *NAT
+	proto   string
+	intport int
+	extport int
+	proc    goprocess.Process
 
 	cached    net.IP
 	cacheTime time.Time