Flat bur grinder changes after cleaning

I disassembled and cleaned my Eureka the other day, my first time doing so, and now what was a “2” grind size is closer to a “4.” In other words, it’s grinding finer overall. I’m guessing something was changed during reassembly? Do I need to recalibrate it or anything? I had notes about grind sizes for different coffees, are these all moot now?