If you are looking at reports on a cash basis, then the sales / income is based on the date of the payment.  There is no sales/ income reported based on the invoice date on cash basis reports.  Thus, no change when you void or delete an invoice.

Resolution for 'cash basis reports issue: 'Why did my previous year sales totals not change if I went back and voided unpaid invoices?' available: Yes.

The cash basis reports issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the cash basis reports issue yourself by looking for a resolution described in the article. If it is a complex cash basis reports issue or you are unable to solve the issue, you may contact us by clicking here or by using other cash basis reports support options.

For more information about resolving issues related to cash basis reports in Quickbooks/QBO or to get support for the issue 'Why did my previous year sales totals not change if I went back and voided unpaid invoices?', click the link below: