I think my record on FR might speak to this question.
I come down mighty heavily on the side of being able to trust what is written in Scripture; and this; surely is; in SCRIPTURE!
1 John 1:9 KJV
If we confess our sins, he is faithful and just to forgive us [our] sins, and to cleanse us from all unrighteousness
Are you familiar with the reference ‘Bema Seat of Christ’, and if so are you conflating that with the Great White Throne of Judgment?