Tips on Customizing WordPress Contact Forms by Cimatti

How to Hide WordPress Contact Forms by Cimatti Admin Menus

function plt_hide_contact_forms_menus() {
	//Hide "Contact Forms".
	remove_menu_page('accua_forms');
	//Hide "Contact Forms → Dashboard".
	remove_submenu_page('accua_forms', 'accua_forms');
	//Hide "Contact Forms → Forms".
	remove_submenu_page('accua_forms', 'accua_forms_list');
	//Hide "Contact Forms → Add new".
	remove_submenu_page('accua_forms', 'accua_forms_add');
	//Hide "Contact Forms → Submissions".
	remove_submenu_page('accua_forms', 'accua_forms_submissions_list');
	//Hide "Contact Forms → Fields".
	remove_submenu_page('accua_forms', 'accua_forms_fields');
	//Hide "Contact Forms → Settings".
	remove_submenu_page('accua_forms', 'accua_forms_settings');
}

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

Where do I put this code?

How to Hide the "Contact Forms" Dashboard Widget

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

	//Remove the "Contact Forms" widget.
	remove_meta_box('accua_contact_forms_dashboard_widget_news', 'dashboard', 'normal');
}

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