diff --git a/module.nix b/module.nix
index 84bcf7d..41a3817 100644
--- a/module.nix
+++ b/module.nix
@@ -52,6 +52,7 @@ in {
         if ${pkgs.curl}/bin/curl http://localhost:${toString cfg.listenPort}/visits > visits-new.json; then
            cp visits-new.json "$(date +"%Y-%m-%d-%H-%M").json"
            mv visits-new.json visits.json
+           ${pkgs.findutils}/bin/find . -ctime +10 -delete
          fi
       '';
       serviceConfig = {