Electro v2 - Remove departments v2 menu from header v6

functions.php

function electro_set_header_v6_hooks() {
    remove_action( 'electro_header_logo_area', 'electro_off_canvas_nav', 20 );
}

style.css

.header-v6 .masthead .header-logo-area {
    flex: 0 0 1%;
    max-width: none;
    min-width: auto;
}