protected function deleteCacheEntries() {

		if(($cachePath = $this->folder->getCachePath(TRUE))) {

			$di	= new \DirectoryIterator($cachePath);

			foreach($di as $fileinfo) {
				if(	$fileinfo->isDot() ||
					!$fileinfo->isFile() ||
					strpos($fileinfo->getFilename(), $this->filename) !== 0
				) {
					continue;
				}

				unlink($fileinfo->getRealPath());
			}
		}
	}