These are pretty straight forward.
I propose that Crier be made a unique role like the Mayor.
-Having 2 criers is very annoying at night
-It is very OP for town to have 2 players that can self confirm their roles
I also propose that the Janitor be able to clean a players role from a lynch. Example:
Janitor cleans 'Player X' N2. D3 starts and 'Player X' is lynched. 'Player X' role could not be identified.
-This would be tough to pull off as mafia and require coordination
-This would make coroners more useful
-This would make for more interesting mafia plays and promote skill over leaning on power roles.