Disable 'Reports' cache updates for higher volume sites (Subscriptions)

wcs_disable_report_cache_update.php

<?php

function wcs_disable_report_cache_update() {
	$cached_report_classes = array(
		'WC_Report_Subscription_Events_By_Date',
		'WC_Report_Upcoming_Recurring_Revenue',
		'WC_Report_Subscription_By_Product',
		'WC_Report_Subscription_By_Customer',
	);
	foreach ( $cached_report_classes as $report_class ) {
		wp_clear_scheduled_hook( 'wcs_report_update_cache', array( 'report_class' => $report_class ) );
	}
}
add_action( 'shutdown', 'wcs_disable_report_cache_update', 11 );