diff --git a/zones/selby.ca.nix b/zones/selby.ca.nix
index 6ab59f5..198e554 100644
--- a/zones/selby.ca.nix
+++ b/zones/selby.ca.nix
@@ -1,6 +1,4 @@
 {
-  mx = [ "smtp.fudo.org." ];
-
   aliases = {
     forum = "hanover.fudo.org.";
     imap = "mail.fudo.org.";