Tips on Customizing Frontend Post Submission Manager Lite – Frontend Posting WordPress Plugin

How to Hide Frontend Post Submission Manager Lite Admin Menus

function plt_hide_frontend_post_submission_manager_lite_menus() {
	//Hide "Frontend Post Submission".
	remove_menu_page('fpsm');
	//Hide "Frontend Post Submission → All Forms".
	remove_submenu_page('fpsm', 'fpsm');
	//Hide "Frontend Post Submission → Settings".
	remove_submenu_page('fpsm', 'fpsml-settings');
	//Hide "Frontend Post Submission → Help".
	remove_submenu_page('fpsm', 'fpsml-help');
	//Hide "Frontend Post Submission → About".
	remove_submenu_page('fpsm', 'fpsml-about');
	//Hide "Frontend Post Submission → Upgrade to PRO".
	remove_submenu_page('fpsm', 'fpsml-upgrade');
}

add_action('admin_menu', 'plt_hide_frontend_post_submission_manager_lite_menus', 11);

Where do I put this code?

How to Hide the "Frontend Post Submission Manager" Meta Box

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

	//Hide the "Frontend Post Submission Manager" meta box.
	remove_meta_box('fpsml-metabox', $screen->id, 'advanced');
}

add_action('add_meta_boxes', 'plt_hide_frontend_post_submission_manager_lite_metaboxes', 20);