small copy image of product is showing on product page

hello
i had added a product in woocommerce and published it in my wordpress page
but when i refreshed the page the product image is showing, but a small image is also displayed on the top of my product image

its the same copy of my product image
i had tried my best but the image is not removing.

please help me out of here

i am using wordpress 4.8.1 and comre theme (purchesed version)

when i pressed F12 it shows that image link from here :

<div class=”top-brand”>
<div class=”up-to”>

</div></div>