Unable to remove breadcrumbs

I’m trying to remove the breadcrumbs at the top of the page. I’m using a Child theme of Enigma.

I’ve tried adding the following CSS to my child’s style.css file, to no avail:

.breadcrumb li {
	display: none;
}

.breadcrumb ul {
	display: none;
}

I’ve also tried creating a child breadcrums.php page with the following code:

<?php
// This page is blank to REMOVE the breadcrumbs
?>

Still doesn’t work. Can anyone help? Thanks in advance.
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