public void unmasquerade(TXStateProxy tx) {
    if (tx != null) {
      if (tx.isOnBehalfOfClient()) {
        updateLastOperationTime(tx);
      }
      try {
        cleanupTransactionIfNoLongerHostCausedByFailover(tx);
      } finally {
        setTXState(null);
        tx.getLock().unlock();
      }
    }
  }
Remove the association created by {@link #masqueradeAs(TransactionMessage)}
geode-core/src/main/java/org/apache/geode/internal/cache/TXManagerImpl.java