diff --git a/lisp/progmodes/cc-mode.el b/lisp/progmodes/cc-mode.el
index 6eed5b53c19..f930d2d34f3 100644
--- a/lisp/progmodes/cc-mode.el
+++ b/lisp/progmodes/cc-mode.el
@@ -3401,22 +3401,6 @@ Key bindings:
 	(insert (format "Buffer Style: %s\nc-emacs-features: %s\n"
 			style c-features)))))))
 
-
-;; Make entries in `major-mode-remap-defaults' to ensure that when CC
-;; Mode has been loaded, the symbols `c-mode' etc., will call CC Mode's
-;; modes rather than c-ts-mode etc..
-(when (boundp 'major-mode-remap-defaults)
-  (add-to-list 'major-mode-remap-defaults '(c++-mode . c++-ts-mode))
-  (add-to-list 'major-mode-remap-defaults '(c-mode . c-ts-mode))
-  (add-to-list 'major-mode-remap-defaults '(c-or-c++-mode . c-or-c++-ts-mode))
-  (let (entry)
-    (dolist (mode '(c-mode c++-mode c-or-c++-mode))
-      (if (and (setq entry (assq mode major-mode-remap-defaults))
-	       (null (cdr entry)))
-	  (setq major-mode-remap-defaults
-		(delq entry major-mode-remap-defaults)))
-      (push (cons mode nil) major-mode-remap-defaults))))
-
 
 (cc-provide 'cc-mode)