From 879f51b0277a8d54bd31e60b76876daa55d2e197 Mon Sep 17 00:00:00 2001
From: Jakob Borg <jakob@kastelo.net>
Date: Sun, 10 Nov 2019 09:32:45 +0100
Subject: [PATCH] lib/tlsutil: Remove Go 1.12 TLS 1.3 beta opt-in

Go 1.13 enables this by default.
---
 lib/tlsutil/tlsutil.go | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/lib/tlsutil/tlsutil.go b/lib/tlsutil/tlsutil.go
index 0bce3566..f0809f0a 100644
--- a/lib/tlsutil/tlsutil.go
+++ b/lib/tlsutil/tlsutil.go
@@ -70,11 +70,6 @@ var (
 func init() {
 	// Creates the list of ciper suites that SecureDefault uses.
 	cipherSuites = buildCipherSuites()
-	if build.IsBeta {
-		// Append "tls13=1" to GODEBUG before starting TLS, to enable TLS
-		// 1.3 in Go 1.12.
-		os.Setenv("GODEBUG", os.Getenv("GODEBUG")+",tls13=1")
-	}
 }
 
 // SecureDefault returns a tls.Config with reasonable, secure defaults set.