code: private void deletePropertyFile() {
          final String methodName = "deletePropertyFile()";
          final File f = new File(htodPropertyFileName);
          final CacheOnDisk cod = this;
          traceDebug(methodName, "cacheName=" + this.cacheName);
          AccessController.doPrivileged(new PrivilegedAction() {
              public Object run() {
                  try {
                      f.delete();
                  } catch (Throwable t) {
                      com.ibm.ws.ffdc.FFDCFilter.processException(t, "com.ibm.ws.cache.CacheOnDisk.deletePropertyFile", "883", cod);
                      traceDebug(methodName, "cacheName=" + cod.cacheName + "\nException: " + ExceptionUtility.getStackTrace(t));
                  }
                  return null;
              }
          });
      }
docs: Call this method to delete the HTOD property file.