LOBSTR Vault provides an option to remove unwanted transactions from the list of transactions to sign so you don't have to deny all transactions manually.
This can be done by following the steps below:
1) Open the “Transactions” tab;
2) Tap on the "Clear" button in the upper right corner.
Then a pop-up will prompt you to choose one of the options:
— Remove all
Will remove all the current transactions from the list.
— Remove invalid
Will remove only invalid transactions from the list.