diff --git a/kartei/krebs/default.nix b/kartei/krebs/default.nix
index 6c5c86ead..7e3f1b542 100644
--- a/kartei/krebs/default.nix
+++ b/kartei/krebs/default.nix
@@ -87,7 +87,6 @@ in {
             "irc.r"
             "wiki.r"
           ];
-          tinc.port = 0;
           tinc.pubkey = ''
             -----BEGIN RSA PUBLIC KEY-----
             MIIBCgKCAQEAs9+Au3oj29C5ol/YnkG9GjfCH5z53wxjH2iy8UPike8C7GASZKqc
@@ -114,7 +113,6 @@ in {
             "go.r"
             "rss.r"
           ];
-          tinc.port = 0;
           tinc.pubkey = ''
             -----BEGIN PUBLIC KEY-----
             MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA9PY6t6P1ytgo8qYL2QDc
@@ -225,7 +223,6 @@ in {
             "build.puyak.r"
             "cgit.puyak.r"
           ];
-          tinc.port = 0;
           tinc.pubkey = ''
             -----BEGIN RSA PUBLIC KEY-----
             MIIBCgKCAQEAwwDvaVKSJmAi1fpbsmjLz1DQVTgqnx56GkHKbz5sHwAfPVQej955