diff --git a/src/storage/blockchain/onchain-revocation.ts b/src/storage/blockchain/onchain-revocation.ts
index a41f628c..1444beb4 100644
--- a/src/storage/blockchain/onchain-revocation.ts
+++ b/src/storage/blockchain/onchain-revocation.ts
@@ -1,6 +1,6 @@
 import { RevocationStatus, Issuer } from '../../verifiable';
 import { Contract, JsonRpcProvider, Signer, TransactionReceipt, TransactionRequest } from 'ethers';
-import { Proof, NodeAuxJSON, Hash, ProofJSON } from '@iden3/js-merkletree';
+import { Proof, NodeAuxJSON, Hash } from '@iden3/js-merkletree';
 import { EthConnectionConfig } from './state';
 import abi from '../blockchain/abi/CredentialStatusResolver.json';
 import { ITransactionService, TransactionService } from '../../blockchain';