Use the Vendor and Ship-from prompts to display the standard buy and click Remove From.
The Remove From window displays the vendor, ship-from, and the lines that are currently on file for this selection.
Specify the vendor in the Remove From Vendor prompt and the ship-from location in the Remove From Ship-from prompt.
You have these options:
In the grid check the Remove box for the lines you want to remove from the standard buy file. Optionally click the All or None buttons to select/deselect all lines.
Click OK to remove the lines and return to Standard Buy Entry.