Revert "Check if lexical-binding is enabled before warning"

This reverts commit 7de192680fdac6938f5704aea0310b85b0da9c5e.
The logic is wrong (bug#70068).

1 files changed, 1 insertions, 2 deletions

diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el
index 3af7ede4c8e..5cff86784f0 100644
--- a/lisp/emacs-lisp/bytecomp.el
+++ b/lisp/emacs-lisp/bytecomp.el
@@ -2234,8 +2234,7 @@ See also `emacs-lisp-byte-compile-and-load'."
         (setq buffer-read-only nil
               filename buffer-file-name))
       ;; Don't inherit lexical-binding from caller (bug#12938).
-      (unless (or (local-variable-p 'lexical-binding)
-                  (null lexical-binding))
+      (unless (local-variable-p 'lexical-binding)
         (let ((byte-compile-current-buffer (current-buffer)))
           (displaying-byte-compile-warnings
            (byte-compile-warn-x