How to clear b_sale_viewed_product?

Question

1C-Bitrix

There is a table b_sale_viewed_product, weighing many GB, data from 19 years old, needs to be cleaned.
Cron doesn't work.

I want to clean my hands.
I found a method

I create a typical page, I place the code there

\Bitrix\Main\Loader::includeModule('catalog');
\Bitrix\Catalog\CatalogViewedProductTable::clear(10);

those. that would leave only the goods for the last 10 days, but does not roll.
Similarly, when changing days, it does not help, I can not understand why.

I also read it here , but either I'm doing something wrong (calling the CSaleViewedProduct::ClearViewed() function), it doesn't help.

Who cleans up? Or where to dig?