1 files changed, 2 insertions, 1 deletions

diff --git a/lisp/emacs-lisp/byte-opt.el b/lisp/emacs-lisp/byte-opt.el
index 4ea9398f93d..acb882dd9a3 100644
--- a/lisp/emacs-lisp/byte-opt.el
+++ b/lisp/emacs-lisp/byte-opt.el
@@ -520,7 +520,8 @@
                 (symbolp (car-safe form))
                 (get (car-safe form) 'cl-compiler-macro)
                 (not (eq form
-                         (setq form (compiler-macroexpand form)))))
+                         (with-no-warnings
+                          (setq form (compiler-macroexpand form))))))
            (byte-optimize-form form for-effect))
 
           ((not (symbolp fn))