diff --git a/modules/services/matrix/default.nix b/modules/services/matrix/default.nix
index 3ea2ed3..474ac1a 100644
--- a/modules/services/matrix/default.nix
+++ b/modules/services/matrix/default.nix
@@ -175,8 +175,6 @@ in {
         max_upload_size = "100M";
         report_stats = false;
         server_name = cfg.serverName;
-        app_service_config_files = (lib.optional cfg.bridges.whatsapp
-          "/var/lib/mautrix-whatsapp/whatsapp-registration.yaml");
       };
     };
     systemd.services.matrix-synapse.serviceConfig.SupplementaryGroups =