diff --git a/extlib/benz b/extlib/benz
index db71ce9b..1c2af963 160000
--- a/extlib/benz
+++ b/extlib/benz
@@ -1 +1 @@
-Subproject commit db71ce9bfa0dabc860b13ec94e0d24b1e7fb2af0
+Subproject commit 1c2af96340f026681b0391ad2383ee65155af341
diff --git a/piclib/picrin/base.scm b/piclib/picrin/base.scm
index 17497072..1af0e5c7 100644
--- a/piclib/picrin/base.scm
+++ b/piclib/picrin/base.scm
@@ -178,8 +178,6 @@
           dictionary-set!
           dictionary-delete!
           dictionary-size
-          dictionary-map
-          dictionary-for-each
           dictionary->plist
           plist->dictionary
           dictionary->alist