wcml_not_display_single_fields_to_translate

/**
 * Add this code to the functions.php file of your theme.
 */

add_filter( 'wcml_not_display_single_fields_to_translate', 'remove_single_custom_fields_to_translate', 10, 1 );

function remove_single_custom_fields_to_translate( $fields ) {
	
	// Remove the "my_custom_info" field from display in WCML Translation Editor 
	$fields[] = 'my_custom_info'; 
	return $fields;
}