At the request of several teachers of Russian the cockroaches in the hotel in earlier editions of Ruslan 1 have been removed (exterminated)!

In the past cockroaches have beene a major issue in older Russian buildings, especially because of the all-year-round warmth offered by the heating systems.

You are unlikely to find cockroaches in modern hotels in Moscow today, but Ivan, coming from the provinces, may well have been expecting them!

This pest is still a problem in Moscow, and many companies still offer their services to get rid of them. For example:

From the website:

You will find this very useful later for the genitive plural!:
"The extermination of bed bugs, cockroaches, fleas, ants, flies, mosquitos, wasps, ticks and other insects, mice, rats, other rodents.
We work without weekends or public holidays."