diff --git a/dotfiles/emacs.d/README.org b/dotfiles/emacs.d/README.org
index 62297ae5..d67f76a7 100644
--- a/dotfiles/emacs.d/README.org
+++ b/dotfiles/emacs.d/README.org
@@ -1651,6 +1651,7 @@ I don't use auto-complete at all, so I have set up a hook to automatically disab
     (require 'smartparens-config)
     (smartparens-global-mode 1)
     (sp-use-smartparens-bindings)
+    (unbind-key "C-M-<backspace>" smartparens-mode-map)
     (unbind-key "C-<backspace>" smartparens-mode-map)
     (unbind-key "M-<backspace>" smartparens-mode-map)))
 #+END_SRC