Yes pull the Males when they are 100% males and they show...
No need to guess ever...
Females, generally show their sex after males [not always]...
So, Male would need to be Sexually mature... with a seed pod opening and dropping pollen...
I have seen it happen in a day...
Then you would also need to have a female plant with viable buds to attract and gather up pollen...
Then you would get seeds 12-27 days later [after pollen from male gets to female bud]
Wait and watch the growing...
Sometimes what you see will be nothing...
sometimes it will be a branch...
Other times...it will be a miniature calyx that shows you... yes female...
Wait and watch and learn....