diff --git a/crossfire/server.rkt b/crossfire/server.rkt
index 4156d66..8ccfef8 100644
--- a/crossfire/server.rkt
+++ b/crossfire/server.rkt
@@ -1036,6 +1036,8 @@
   (rpc-register-all server^ server-impl@)
   (init-agent-handler)
 
+  (server-cleanup-unused-files)
+
   ;; restore agents
   (for ([agent (in-list (get-nodes 'agent))])
     (log-server-info "restoring agent ~a" (node-info-id agent))