The pair have locked horns on Twitter many times.
The broadcaster recently quit BBC Breakfast for a new role at Channel 5.
Walker will make his debut broadcast on Channel 5 later today.
Walker recently made the jump from the 'BBC Breakfast' sofa over to Channel 5 as a news anchor.
Walker announced earlier this year that he was leaving the BBC.
The popular presenter is off to Channel 5, leaving a spot open on the couch.
The 45-year-old TV presenter is leaving BBC Breakfast after seven years.
The BBC careers account has tweeted out a job advert as the organisation looks to find a new chief presenter for its breakfast TV show, amid Dan Walker’s move to Channel 5.
The BBC Breakfast presenter has made up to £20k from corporate events this year.
His co-host Sally Nugent has promised to bake him a tart for his leaving party.
Former 'BBC Breakfast' host Minchin joked she would be replacing Walker on the red sofa.
The morning news host was not on the BBC Breakfast sofa on Monday.
The 'BBC Breakfast' presenter said his move to C5 is not about money, but he is excited to make TV shows outside of news.
Walker currently hosts 'Breakfast' on the BBC with Sally Nugent.
TV hosts were able to sit next to one another on the sofa again as government COVID restrictions ended in England.
Tess Daly reckons the success of Dan Walker could pave the way for Vernon Kay to take to the floor.
Thousands of people have been tuning in.
The 'BBC Breakfast' presenter had a run-in with a glass door just before the series began.
Normal service resumed in the world of showbiz, with red carpets given the greenlight and reality shows back on the telly.
The 'BBC Breakfast' host made it to the 'Strictly' quarter finals thanks to voted from viewers, but will not be performing on the live tour.
The 'BBC Breakfast' host exchanged public insults with the former 'GMB' presenter online.
The latest couple to be evicted has been announced.
One troll told the 'BBC Breakfast' presenter 'I hope you go bald'.
BBC Breakfast presenter Dan Walker has said he will support his former colleague Louise Minchin in her stint on I'm A Celebrity... Get Me Out Of Here! 2021.
The celebrities have been looking to contestants past as role models.