2 files changed, 2 insertions, 2 deletions

diff --git a/lisp/emacs-lisp/cl-preloaded.el b/lisp/emacs-lisp/cl-preloaded.el
index d11c97a3e3a..cba56e0bbd4 100644
--- a/lisp/emacs-lisp/cl-preloaded.el
+++ b/lisp/emacs-lisp/cl-preloaded.el
@@ -365,6 +365,7 @@
 (cl--define-built-in-type buffer atom)
 (cl--define-built-in-type window atom)
 (cl--define-built-in-type process atom)
+(cl--define-built-in-type finalizer atom)
 (cl--define-built-in-type window-configuration atom)
 (cl--define-built-in-type overlay atom)
 (cl--define-built-in-type number-or-marker atom
diff --git a/lisp/emacs-lisp/seq.el b/lisp/emacs-lisp/seq.el
index 20077db9e60..a20cff16982 100644
--- a/lisp/emacs-lisp/seq.el
+++ b/lisp/emacs-lisp/seq.el
@@ -362,8 +362,7 @@ the result.
 
 The result is a sequence of the same type as SEQUENCE."
   (seq-concatenate
-   (let ((type (type-of sequence)))
-     (if (eq type 'cons) 'list type))
+   (if (listp sequence) 'list (type-of sequence))
    (seq-subseq sequence 0 n)
    (seq-subseq sequence (1+ n))))