Unless you absolutely never use data at all I suggest you leave it alone (that's even if it can be removed - if it's as stated above you won't be able to) otherwise data use is charged at £1 a day.
I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.