code: public void deleteCache(TemplateClass tc) {
          if (!writeEnabled()) return;
          try {
              File f = getCacheFile(tc);
              if (f.exists() && !f.delete()) {
                  f.deleteOnExit();
              }
          } catch (Exception e) {
              throw new RuntimeException(e);
          }
      }
docs: Delete the bytecode
  
  @param tc The template class