(defun disable-invasive-ui ()
  (interactive)
  (when window-system
    (menu-bar-mode -1)                            ; No menubar
    (tool-bar-mode -1)                            ; No toolbar
    (scroll-bar-mode -1)                          ; No scrollbar
    (blink-cursor-mode 0)))                       ; Disable cursor blinking

(add-hook 'after-init-hook 'disable-invasive-ui)
(add-hook 'after-make-frame-functions 'disable-invasive-ui)