If we follow the wordpress contact info section then we can see then AIM, Yahoo IM, Jabber/Google talk etc. showing a contact form in below:
Now showing you how to remove default contact fields from wordpress blog user profile (manually). We will remove AIM, Yahoo IM and Jabber/Google talk field from this contact form.
At first, you have to login you site. Then go to Dashboard>Appearane>Editor. Then you have to open functions.php file. Then copy the following code and add code before ?>. If you want you can add this code in your php block.
Now for save this change you need to click update button. Then go to User>Your Profile, you can see that these three field was removed from contact info section.