Do I need locking to take cassette off?

So just got delivery of my planet X ct45's wanted to get them on the bike before Sunday's ride.
I need to get the cassette (Shimano 105) off AXIS 2.0 and get them onto the ct45 is it possible to do this without the locking? If so, how?
Thanks.
I need to get the cassette (Shimano 105) off AXIS 2.0 and get them onto the ct45 is it possible to do this without the locking? If so, how?
Thanks.
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Thanks saved me lots of time.
Bought a cheap toolkit from Halfords as it was my closet place, watched a youtube video and within minutes the cassette was swapped over. Looking forward to tomorrow ride all that much more now.