Remove prelude-fullscreen

core/prelude-core.el

@@ -95,7 +95,6 @@ PROMPT sets the `read-string prompt."
     "Press <C-S-Backspace> or <s-k> to kill the whole line."
     "Press <s-j> or <C-^> to join lines."
     "Press <s-.> or <C-c j> to jump to the start of a word in any visible window."
-    "Press <f11> to toggle fullscreen mode."
     "Press <f12> to toggle the menu bar."
     "Explore the Tools->Prelude menu to find out about some of Prelude extensions to Emacs."
     "Access the official Emacs manual by pressing <C-h r>."))
@@ -145,18 +144,6 @@ With a prefix ARG updates all installed packages."
                                      (epl-installed-packages))))
     (message "Update finished. Restart Emacs to complete the process.")))
 
-;;; Emacs in macOS already has fullscreen support
-;;; Emacs has a similar built-in command in 24.4
-(defun prelude-fullscreen ()
-  "Make Emacs window fullscreen.
-
-This follows freedesktop standards, should work in X servers."
-  (interactive)
-  (if (eq window-system 'x)
-      (x-send-client-message nil 0 nil "_NET_WM_STATE" 32
-                             '(2 "_NET_WM_STATE_FULLSCREEN" 0))
-    (error "Only X server is supported")))
-
 (defun prelude-wrap-with (s)
   "Create a wrapper function for smartparens using S."
   `(lambda (&optional arg)

core/prelude-global-keybindings.el

@@ -94,9 +94,6 @@
 ;; replace buffer-menu with ibuffer
 (global-set-key (kbd "C-x C-b") 'ibuffer)
 
-(unless (fboundp 'toggle-frame-fullscreen)
-  (global-set-key (kbd "<f11>") 'prelude-fullscreen))
-
 ;; toggle menu-bar visibility
 (global-set-key (kbd "<f12>") 'menu-bar-mode)