Tips on Customizing Simple History – Track, Log, and Audit WordPress Changes

How to Hide Simple History Admin Menus

function plt_hide_simple_history_menus() {
	//Hide "Simple History".
	remove_menu_page('simple_history_admin_menu_page');
	//Hide "Simple History → Event Log".
	remove_submenu_page('simple_history_admin_menu_page', 'simple_history_admin_menu_page');
	//Hide "Simple History → Settings".
	remove_submenu_page('simple_history_admin_menu_page', 'simple_history_settings_page');
	//Hide "Simple History → Stats & Summaries New".
	remove_submenu_page('simple_history_admin_menu_page', 'simple_history_stats_page');
	//Hide "Simple History → Help & Support".
	remove_submenu_page('simple_history_admin_menu_page', 'simple_history_help_support');
	//Hide "Simple History → Export".
	remove_submenu_page('simple_history_admin_menu_page', 'simple_history_export_history');
	//Hide "Simple History → Get Premium".
	remove_submenu_page('simple_history_admin_menu_page', 'simple_history_promo_upsell');
}

add_action('admin_menu', 'plt_hide_simple_history_menus', 101);

Where do I put this code?

How to Hide the "Simple History" Dashboard Widget

function plt_hide_simple_history_dashboard_widgets() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Remove the "Simple History" widget.
	remove_meta_box('simple_history_dashboard_widget', 'dashboard', 'normal');
}

add_action('wp_dashboard_setup', 'plt_hide_simple_history_dashboard_widgets', 20);