How to remove material theme (or reset to defaults) from IntelliJ / PyCharm?

Question

I have installed Material Theme UI and it made my IDE blackish. Later I decided to remove and and removed plugin. Unfortunately, this didn\'t give default colors back, some part

Answer 1

A tad brute force, but you could try and delete the theme directly.

Close IntelliJ
Go to: ..\JetBrains\themes
Delete Material UI
Open IntelliJ