diff --git a/modules/game/actors.scm b/modules/game/actors.scm
index 8035b93..25c9951 100644
--- a/modules/game/actors.scm
+++ b/modules/game/actors.scm
@@ -5,11 +5,6 @@
   #:export (^cell
             ^level))
 
-;; ^wall
-;; ^wire
-;; ^electron-head
-;; ^electron-tail
-
 (define* (^cell bcom #:optional val)
   (case-lambda
     (() val)