diff --git a/early-init.el b/early-init.el
index d2097b3..0f729c8 100644
--- a/early-init.el
+++ b/early-init.el
@@ -140,7 +140,7 @@ See `no-littering' for examples.")
 
 ;; Setup `setup'
 
-(add-to-list 'setup-modifier-list 'setup-wrap-to-demote-errors)
+(add-to-list 'setup-modifier-list '+setup-wrap-to-demote-errors)
 (unless (memq debug-on-error '(nil init))
   (define-advice setup (:around (fn head &rest args) +setup-report)
     (+with-progress ((format "[Setup] %S..." head))
diff --git a/lisp/+setup.el b/lisp/+setup.el
index db59223..194baa8 100644
--- a/lisp/+setup.el
+++ b/lisp/+setup.el
@@ -88,50 +88,7 @@ If PATH does not exist, abort the evaluation."
                                                  ',recipe)
                                     ,(setup-quit))
                                    (:success t)))
-(defun setup--straight-handle-arg (arg var)
-  (cond
-   ((and (boundp var) (symbol-value var)) t)
-   ((keywordp arg) (set var t))
-   ((functionp arg) (set var nil) (funcall arg))
-   ((listp arg) (set var nil) (eval arg :lexical))))
-
-(setup-define :straight
-  (lambda (recipe &rest predicates)
-    (let* ((skp (make-symbol "straight-keyword-p"))
-           (straight-use-p
-            (cl-every (lambda (f) (setup--straight-handle-arg f skp))
-                      predicates))
-           (form `(unless (and ,straight-use-p
-                               (condition-case e
-                                   (straight-use-package ',recipe)
-                                 (error
-                                  (+setup-warn ":straight error: %S"
-                                               ',recipe)
-                                  ,(setup-quit))
-                                 (:success t)))
-                    ,(setup-quit))))
-      ;; Keyword arguments --- :quit is special and should short-circuit
-      (if (memq :quit predicates)
-          (setq form `,(setup-quit))
-        ;; Otherwise, handle the rest of them ...
-        (when-let ((after (cadr (memq :after predicates))))
-          (setq form `(with-eval-after-load ,(if (eq after t)
-                                                 (setup-get 'feature)
-                                               after)
-                        ,form))))
-      ;; Finally ...
-      form))
-  :documentation "Install RECIPE with `straight-use-package'.
-If PREDICATES are given, only install RECIPE if all of them return non-nil.
-The following keyword arguments are also recognized:
-- :quit          --- immediately stop evaluating.  Good for commenting.
-- :after FEATURE --- only install RECIPE after FEATURE is loaded.
-                     If FEATURE is t, install RECIPE after the current feature."
-  :repeatable nil
-  :indent 1
-  :shorthand (lambda (sexp)
-               (let ((recipe (cadr sexp)))
-                 (or (car-safe recipe) recipe))))                      ,(setup-quit))))
+                      ,(setup-quit))))
         ;; Keyword arguments --- :quit is special and should short-circuit
         (if (memq :quit predicates)
             (setq form `,(setup-quit))