diff --git a/roles/matrix.nix b/roles/matrix.nix
index b04ebcd..695519d 100644
--- a/roles/matrix.nix
+++ b/roles/matrix.nix
@@ -141,7 +141,6 @@
     acceptTerms = true;
     certs = {
       "chat.mcwhirter.io" = {
-        group = "matrix-synapse";
         postRun = "systemctl reload nginx.service";
         email = "acme@mcwhirter.io";
       };