how to remove my apple account from my device

For the general case... What to do before you sell, give away, or trade in your iPhone, iPad, or iPod touch - Apple Support

If you’re looking for something different than that general outcome, some details might help there.

rsm8607 wrote:

how do i remove my apple account from my device?

Click on the following blue-text link for information on how to disassociate your device and your Apple ID:

What to do before you sell, give away, or trade in your iPhone, iPad, or iPod touch - Apple Support