diff --git a/piclib/picrin/syntax-rules.scm b/piclib/picrin/syntax-rules.scm
index 4584d7f2..092cf779 100644
--- a/piclib/picrin/syntax-rules.scm
+++ b/piclib/picrin/syntax-rules.scm
@@ -42,7 +42,6 @@
   ;; TODO
   ;; - constants
   ;; - literals
-  ;; - custom ellipsis
   ;; - splicing
   ;; - placeholder
   ;; - vector