Disable the WooCommerce product zoom

// Disable the zoom
add_filter( 'woocommerce_single_product_zoom_options', 'custom_single_product_zoom_options', 10, 3 );
function custom_single_product_zoom_options( $zoom_options ) {
    // Disable zoom magnify:
    $zoom_options['magnify'] = 0;

    return $zoom_options;
}

//Change zoom event option:
add_filter( 'woocommerce_single_product_zoom_options', 'custom_single_product_zoom_options', 10, 3 );
function custom_single_product_zoom_options( $zoom_options ) {
    // Changing the zoom event option:
    $zoom_options['on'] = 'click';

    return $zoom_options;
}

// Permanent disable
add_filter( 'woocommerce_single_product_zoom_enabled', '__return_false' );