Activating Quick Buy is a one time process. If you ever wish to disable Quick Buy, you can do so in Your Account settings. Simply confirm your default delivery and payment details, and your order will automatically process.
You have Quick Buy enabled, just swipe to deactivate your Quick Buy. Dont worry! you can come anytime to activate it again, we have your settings saved until you change it next. Terms and Conditions
You will miss out on using Quick Buy single click purchase.