Step 1: Create customer_form.xml in the below path
app\code\Vendor\Extension\view\base\ui_component\
And add the below code
<?xml version=”1.0″ encoding=”UTF-8″?>
<form xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance” xsi:noNamespaceSchemaLocation=”urn:magento:module:Magento_Ui:etc/ui_configuration.xsd”>
<fieldset name=”customer”>
<field name=”your_attribute_name”>
<settings>
<visible>false</visible>
</settings>
</field>
</fieldset>
</form>