Very basic question: getting rid of all evidence of a macro

I'm working in an office that uses both Excel 2010 and Excel 2003 (don't ask me why) and there's a spreadsheet I'm working in that someone else created in Excel 2003 which won't let me save changes unless I edit it using Excel 2003. There are a lot of hyperlinks in this spreadsheet which were making it look cluttered and ugly, and since Excel 2003 doesn't have an automatic "remove hyperlinks" feature, I used Google to find this page.

I wrote the macro as per the instructions on the page, and it ran just fine. Now, however, every time I open the file, I get a message saying that the sheet has DANGEROUS MACROS OH NO and am I really sure I want to open it. I went in to the VBA and removed the module I'd added, but I still get the message. This is only a minor annoyance, but it is an annoyance, and though I'm sure the answer to getting rid of it is fairly simple, I don't know what it is. Can anyone help me out?