How to Delete Old Facebook Friend Requests
If you’ve had a Facebook account for years, you might have sent out quite a few friend requests when you first opened your account. Not all of those requests were likely answered. That’s all right, because you can go through your pending requests and delete them.
26 Jan 2015 ... Simply select “Cancel Request” to delete it, and you're done. Now go through the rest of your old sent requests and do the same thing for each ...