diff --git a/README.md b/README.md
index 76a922d..beb0dd2 100644
--- a/README.md
+++ b/README.md
@@ -82,7 +82,7 @@ structure of Boon is as follows:
    above. (For good measure, some random extra commands are thrown
    in.) These commands may be used in combination with a modal system,
    or not. A few commands also switch to insert mode.
-5. boon-keys, boon-extras, boon-colemak, boon-qwerty, ...:
+5. boon-keys, boon-colemak, boon-qwerty, ...:
    frontends. Those require all the above and provide a mapping of
    moves, selectors and commands onto keys. They may also bind keys
    for other modes, such as helm.
diff --git a/boon-extras.el b/boon-extras.el
deleted file mode 100644
index 9bb7221..0000000
--- a/boon-extras.el
+++ /dev/null
@@ -1,39 +0,0 @@
-;;; boon-extras.el --- An Ergonomic Command Mode  -*- lexical-binding: t -*-
-
-;;; Commentary:
-
-;; This module provides (arguably) more useful bindings to the "x"
-;; prefix map.
-
-;;; Code:
-
-(require 'boon-core)
-
-(define-key boon-x-map "rr" 'boon-query-replace) ; replace the region if it is selected
-(define-key boon-x-map "t" 'boon-toggle-comment) ; commenT
-(define-key boon-x-map "i" 'boon-adjust-indent)
-(define-key boon-x-map [(return)] 'boon-split-line)
-
-(define-key boon-x-map ":" 'eval-expression)
-(define-key boon-x-map "M" 'menu-bar-open)
-(define-key boon-x-map "O" 'previous-window) ;; o is next window
-(define-key boon-x-map "S" 'save-some-buffers)
-(define-key boon-x-map "U" 'undo-tree-visualize)
-(define-key boon-x-map "\\" 'align-regexp)
-(define-key boon-x-map "b" 'ido-switch-buffer)
-(define-key boon-x-map "f" 'ido-find-file)
-(define-key boon-x-map "g" 'helm-for-files) ;; see http://amitp.blogspot.se/2012/10/emacs-helm-for-finding-files.html
-(define-key boon-x-map "h" help-map)
-(define-key boon-x-map "j" 'join-line)
-(define-key boon-x-map "k" 'kill-this-buffer)
-(define-key boon-x-map "l" 'fill-paragraph)
-(define-key boon-x-map "s" 'save-buffer)
-(define-key boon-x-map "vv" 'magit-status)
-(define-key boon-x-map "x" 'helm-M-x)
-
-(with-eval-after-load 'flycheck
-  (define-key boon-x-map "y" flycheck-command-map))
-
-
-(provide 'boon-extras)
-;;; boon-extras.el ends here
diff --git a/boon.el b/boon.el
index a031b60..cb21779 100644
--- a/boon.el
+++ b/boon.el
@@ -13,7 +13,6 @@
 (require 'boon-main)
 (require 'boon-keys)
 (require 'boon-search)
-(require 'boon-extras)
 (require 'boon-core)
 (require 'boon-moves)