class WillPaginateWithoutFirstPage < WillPaginate::ViewHelpers::LinkRenderer

  protected

    def add_current_page_param(url_params, page)
      unless page==1
        super(url_params, page)
      else
        unless param_name.index(/[^\w-]/)
          url_params[param_name.to_sym] = nil
        else
          symbolized_update(url_params, {param_name.to_sym=>nil})
        end
      end
    end
end

WillPaginate::ViewHelpers.pagination_options[:renderer] = WillPaginateWithoutFirstPage