NeetoForm allows you to delete submissions you do not wish to save, which may be no longer helpful or may be spam.
Here are the steps to delete the form submissions:
Go to the Submissions tab in the form.
Click on the checkbox next to the responses you wish to delete.
Click on the Take Action button.
Select the Delete option.
A confirmation screen will be shown to you.
Click on the Delete button.
You will get confirmation of the successful operation.