diff --git a/nix/nixos-module/container/bird.nix b/nix/nixos-module/container/bird.nix
index d8be60e..049ccc6 100644
--- a/nix/nixos-module/container/bird.nix
+++ b/nix/nixos-module/container/bird.nix
@@ -97,8 +97,8 @@ in
                   if config.site.net.${net}.ospf.secret != null
                   then ''
                     interface "${net}" {
-                      authentication cryptographic;
                       # TODO: enable when all bird 1.x have shut down
+                      #authentication cryptographic;
                       #password "${config.site.net.${net}.ospf.secret}";
                     };
                   ''