Pimcore\Model\Object\ClassDefinition::deletePhpClasses PHP Method

    protected function deletePhpClasses()
    {
        // delete the class files
        @unlink(PIMCORE_CLASS_DIRECTORY . "/Object/" . ucfirst($this->getName()) . ".php");
        @unlink(PIMCORE_CLASS_DIRECTORY . "/Object/" . ucfirst($this->getName()) . "/Listing.php");
        @rmdir(PIMCORE_CLASS_DIRECTORY . "/Object/" . ucfirst($this->getName()));
        @unlink($this->getDefinitionFile());
    }