To remove an erroneous Cash Receipt from Design Manager, select the Cash Receipt Grouping on the Existing Cash Receipts Grid of the Cash Receipts Window - Existing Tab.
Select the proper entry on the Payment Distributions Grid (below) and click the Void button.
Upon doing so, you will be asked "Do you wish to void the highlighted receipt?". Clicking Yes will permanently remove the Cash Receipt Distribution.
If only one Cash Receipt Distribution exists for the Cash Receipt Grouping on the Existing Cash Receipts Grid, the Cash Receipt Grouping will also be deleted.
If multiple Cash Receipt Distributions exist for the Cash Receipt Grouping, then the Amount of the Cash Receipt Grouping will be updated accordingly.
To remove all Payment Distributions for the entire Cash Receipt Grouping and the Grouping itself, select the Grouping on the Existing Cash Receipts Grid and click the Void All button.