Step 1:
Go to MORE-> Application and Profile Builder
Step 2:
Once there, look for the application form or profile from where you need to remove a children question and click the edit / pencil icon of the application
Step 3:
Go to the booking section -> add "Exclude Children Question" in additional properties
Step 4:
Save the selected builder by clicking the "Save" button
The following video is from a previous interface but the information is still accurate.
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