How to fix the situation when two scrolls are side by side (UX, not layout)?

Question

User interface

Hello!
Tell me, what is the best thing to do in a situation where there are two scrolls next to each other in the interface?
My chat window should be strictly to the right and at the same time the content in it will scroll...
Here is the screen:

Answer 1

Make your own unique scroll for the chat. Alternatively, display it only when hovering over the chat window.