acf.php

<?php



/**
 * Hide ACF settings menu
 */
add_filter( 'acf/settings/show_admin', '__return_false' );



/**
 * Remove ACF from admin menu
 */
add_action(
	'admin_menu',
	function () {
		// Remove ACF
		remove_menu_page( 'edit.php?post_type=acf-field-group' );

		// Remove ACF -> Edit
		remove_submenu_page( 'edit.php?post_type=acf-field-group', 'post-new.php?post_type=acf-field-group' );

		// Remove ACF -> Tools
		remove_submenu_page( 'edit.php?post_type=acf-field-group', 'acf-settings-tools' );

		// Remove ACF -> Updates
		remove_submenu_page( 'edit.php?post_type=acf-field-group', 'acf-settings-updates' );

		// Remove custom ACF Options page
		remove_menu_page( 'acf-options-name-of-page' );
	},
	999
);



/**
 * Remove toolbar items from wysiwyg-field
 */
add_filter(
	'acf/fields/wysiwyg/toolbars',
	function( $toolbars ) {
		$toolbars['Basic'] = array();
		$toolbars['Basic'][1] = array('link,removeformat');

		return $toolbars;
	}
);