Salient 8.5.4 is Now Compatible with Woocommerce 3.3.1 . Kindly update the Theme if you have updated Woocommerce . 

Okay
  Print

Remove thin bottom border on transparent header

Add this into the Custom CSS box located in your Salient Options panel :

body #header-outer[data-transparent-header="true"].transparent {
    border: none !important;
}