How I used FloFlo to read my first book in Japanese

[Naphthalene]

Yes, there is!
Go to the lesson page, navigate to the “find words” section.
Look up the word you want to trash.
If it is in your queue, it will have a blue outline.
Select it, then click trash. (You can also go for “remove”, which just removes it from your queue, it will appear again as an unknown word)

[yorbon]

Thanks for the quick reply!
I have been on that page, but completely overlooked it.