Removing computer analysis and comments

I find myself often removing computer analysis and comments to create a "clean" pgn file. Does anyone have a genius method for removing them quickly and/or easily?

This might work, use
https://www.cs.kent.ac.uk/people/staff/djb/pgn-extract/
see https://www.cs.kent.ac.uk/people/staff/djb/pgn-extract/help.html#suppress
If Chessbase is available, create a new database, open the pgn
and copy the games to the new database.
Afterwards choose 'Unannotate' from contextmenu on the database symbol.
Finally you may copy the cleaned games to a pgn again.

Thanks! I'll give it a go.

If it's on Lichess.org, you can use "download raw" instead of "download annotated".

SCID has the option to delete annotations and/or variations.