class Sass::Plugin::Compiler

def clean(individual_files = [])
  file_list(individual_files).each do |(_, css_file, sourcemap_file)|
    if File.exist?(css_file)
      run_deleting_css css_file
      File.delete(css_file)
    end
    if sourcemap_file && File.exist?(sourcemap_file)
      run_deleting_sourcemap sourcemap_file
      File.delete(sourcemap_file)
    end
  end
  nil
end