diff --git a/examples/custom-control.php b/examples/custom-control.php
index 9c80d555b..45e7d5e06 100644
--- a/examples/custom-control.php
+++ b/examples/custom-control.php
@@ -26,8 +26,8 @@ class DateInput extends Nette\Forms\Controls\BaseControl
 	public function __construct($label = NULL)
 	{
 		parent::__construct($label);
-		$this->addCondition(Form::FILLED)
-			->addRule(__CLASS__ . '::validateDate', 'Date is invalid.');
+		$this->setRequired(FALSE)
+			->addRule([__CLASS__, 'validateDate'], 'Date is invalid.');
 	}
 
 
diff --git a/examples/custom-validator.php b/examples/custom-validator.php
index 902aaf5b9..7be5de757 100644
--- a/examples/custom-validator.php
+++ b/examples/custom-validator.php
@@ -32,10 +32,6 @@ static function divisibilityValidator($item, $arg)
 	->setDefaultValue(5)
 	->addRule('MyValidators::divisibilityValidator', 'First number must be %d multiple', 8);
 
-$form->addText('num2', 'Not multiple of 5:')
-	->setDefaultValue(5)
-	->addRule(~'MyValidators::divisibilityValidator', 'Second number must not be %d multiple', 5); // negative
-
 $form->addSubmit('submit', 'Send');