How to disable magento default search without modifying "form.mini.phtml" file

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How can i disable magento default search without modifying form.mini.phtml file.Is there any way to change url to “#” instead of

<?php /* @escapeNotVerified */ echo $block->getUrl('search/ajax/suggest', ['_secure' => $block->getRequest()->isSecure()]); ?>

data-mage-init='{"quickSearch":{
	"formSelector":"#search_mini_form",
	"url":"<?php /* @escapeNotVerified */ echo $block->getUrl('search/ajax/suggest', ['_secure' => $block->getRequest()->isSecure()]); ?>",
	"destinationSelector":"#search_autocomplete"}
}'