If you simply want to delete the column that shows the break time, you can right click and remove column on the T&A report.
If you want to not record break time at all, you can use First Check-In / Last Check-out in your daily schedule and
not use T&A keys on the device menu as shown below
For devices without T&A keys, configure as below:
For basic T&A configuration please refer to our T&A FAQ below:
http://support.supremainc.com/solution/articles/24000012682--biostar-1-basic-t-a-faq/en