private void removeSecure(String key) {
    try {
      synchronized (myProxyCredentials) {
        final Properties props = myProxyCredentials.getValue();
        props.remove(key);
        myEncryptionSupport.store(props, "Proxy Credentials", PROXY_CREDENTIALS_FILE);
      }
    }
    catch (Exception e) {
      LOG.info(e);
    }
  }
private void removeSecure(String key)