code: public synchronized void unregisterValidatorModule(IValidatorModule theValidator) {
  		Validate.notNull(theValidator, "theValidator must not be null");
  		ArrayList<IValidatorModule> newValidators = new ArrayList<IValidatorModule>(myValidators.size() + 1);
  		newValidators.addAll(myValidators);
  		newValidators.remove(theValidator);
  
  		myValidators = newValidators;
  	}
docs: Removes a validator module from this validator. You may register as many modules as you like, and remove them at any time.
  
  @param theValidator
  The validator module. Must not be null.