diff --git a/backend/src/api/transaction-utils.ts b/backend/src/api/transaction-utils.ts
index b8a9a108a..0b10afdfb 100644
--- a/backend/src/api/transaction-utils.ts
+++ b/backend/src/api/transaction-utils.ts
@@ -3,7 +3,6 @@ import { IEsploraApi } from './bitcoin/esplora-api.interface';
 import { Common } from './common';
 import bitcoinApi, { bitcoinCoreApi } from './bitcoin/bitcoin-api-factory';
 import * as bitcoinjs from 'bitcoinjs-lib';
-import crypto from 'node:crypto';
 
 class TransactionUtils {
   constructor() { }
@@ -171,14 +170,6 @@ class TransactionUtils {
       16
     );
   }
-
-  public calcScriptHash(script: string): string {
-    if (!/^[0-9a-fA-F]*$/.test(script) || script.length % 2 !== 0) {
-      throw new Error('script is not a valid hex string');
-    }
-    const buf = Buffer.from(script, 'hex');
-    return crypto.createHash('sha256').update(buf).digest('hex');
-  }
 }
 
 export default new TransactionUtils();