That's how software works. Software tries to save historical data. For example, your browser history and search history are saved. Imagine that all browsers had no history. You would not be able to go back to your webpage if you have trouble remembering it. Also, many GPS devices will save your recent locations. This is for convenience so that you do not have to slowly retype the address.
I just got a Nokia 521, my first smartphone. There are like 10 different checkboxes as different settings for sharing data with Microsoft, Bing, and Nokia. Some of those checkboxes are enabled by default.