Proper way to delete a Data Source from a Form in VB 2010

The procedure below came up when I searched Google.

I have 2 questions.
1. Is this the proper way?
2. What is being referred to in step 5 (delete Schema)?

'********* how to delete a Data Source *************
'1.Delete Binding Source
' 2.Delete table adapter
' 3.DO NOT DELETE TABLE ADAPTER MANAGER if there are any other data sources.
' 4.Remove lines of code placed in form Load event
' 5.Delete schema from Solution Explorer
'***************************************************