Remove “Listing Expires” column from Job Dashboard

 
add_filter( 'job_manager_job_dashboard_columns', 'remove_expires_column' ); 
function remove_expires_column( $columns ) {
    unset( $columns['expires'] );
    return $columns;
}
 
/* This snippet removes the “Listing Expires” column from All Jobs in wp-admin  */
add_filter( 'manage_edit-job_listing_columns', 'remove_expires_column_admin' );
function remove_expires_column_admin( $columns ) {
    unset( $columns['job_expires'] );
    return $columns;
}