You can remove some or all of the hashes from the allow list or the block list and mark them as unclassified. The hashes are removed from the Manager database but are available in the NTBA database as unclassified.
Steps:
Select an entry that you want to remove. To select multiple entries, hold the SHIFT key while selecting.
From the Other Actions drop-down list, select Detele All.
The selected entry is no longer displayed on this page.
You can use the Replace option to put back the removed entry or to overwrite the old entries with new ones. A confirmation message will be displayed.
Click OK to continue.
The old list is replaced with the new list.