Verb
wipe the slate clean (third-person singular simple present wipes the slate clean, present participle wiping the slate clean, simple past and past participle wiped the slate clean)
(idiomatic) To make a fresh start, for example by forgetting about previous differences and disagreements.
It can’t really be too late to wipe the slate clean and start afresh. Source: Internet
None of them will look back on the 2017-18 season with any fondness, but the new campaign is a chance to wipe the slate clean and start again. Source: Internet
The rockers get spiritual on this track, which encourages listeners to wipe the slate clean and hope for better days ahead. Source: Internet
It’s a chance to wipe the slate clean and start over. Source: Internet