If you are a Shopify Plus customer we have some great news! You can now hide the pickup address fields from appearing in the checkout with a couple of lines of code. This helps eliminate any customer confusion.
Open your themes checkout.liquid file.
Copy and paste the following code above the ##{{ tracking_code }} line.
{% if checkout.attributes['Checkout-Method'] == 'pickup' %} <script type="text/javascript"> document.querySelector('.section--shipping-address [data-address-field="address1"]').style.display = 'none'; document.querySelector('.section--shipping-address [data-address-field="address2"]').style.display = 'none'; document.querySelector('.section--shipping-address [data-address-field="city"]').style.display = 'none'; document.querySelector('.section--shipping-address [data-address-field="country"]').style.display = 'none'; document.querySelector('.section--shipping-address [data-address-field="zip"]').style.display = 'none'; </script> {% endif %}Click Save.