1 files changed, 3 insertions, 3 deletions

diff --git a/lisp/custom.el b/lisp/custom.el
index ea7afc45fc5..ef0fce7ecb4 100644
--- a/lisp/custom.el
+++ b/lisp/custom.el
@@ -137,8 +137,8 @@ not the default value itself."
                 ((eq keyword :options)
                  (if (get symbol 'custom-options)
                      ;; Slow safe code to avoid duplicates.
-                     (mapcar (lambda (option)
-                               (custom-add-option symbol option))
+                     (mapc (lambda (option)
+                             (custom-add-option symbol option))
                              value)
                    ;; Fast code for the common case.
                    (put symbol 'custom-options (copy-sequence value))))
@@ -453,7 +453,7 @@ COMMENT is a comment string about SYMBOL."
                  set)
             (when requests
               (put symbol 'custom-requests requests)
-              (mapcar 'require requests))
+              (mapc 'require requests))
             (setq set (or (get symbol 'custom-set) 'custom-set-default))
             (put symbol 'saved-value (list value))
             (put symbol 'saved-variable-comment comment)