Tips on Customizing Easy Charts

How to Hide Easy Charts Admin Menus

function plt_hide_easy_charts_menus() {
	//Hide "Easy Charts".
	remove_menu_page('edit.php?post_type=easy_charts');
	//Hide "Easy Charts → All Charts".
	remove_submenu_page('edit.php?post_type=easy_charts', 'edit.php?post_type=easy_charts');
	//Hide "Easy Charts → Add New Chart".
	remove_submenu_page('edit.php?post_type=easy_charts', 'post-new.php?post_type=easy_charts');
	//Hide "Easy Charts → Charts settings".
	remove_submenu_page('edit.php?post_type=easy_charts', 'easy-charts-settings');
}

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

Where do I put this code?

How to Hide Easy Charts Meta Boxes

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

	//Hide the "Data" meta box.
	remove_meta_box('easy_charts_data_metabox', $screen->id, 'advanced');
	//Hide the "Preview" meta box.
	remove_meta_box('easy_charts_preview_metabox', $screen->id, 'advanced');
	//Hide the "Configuration" meta box.
	remove_meta_box('easy_charts_configuration_metabox', $screen->id, 'advanced');
	//Hide the "Shortcode" meta box.
	remove_meta_box('easy_charts_shortcode_metabox', $screen->id, 'side');
}

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