diff --git a/bindings/nodejs/lib/client/client.ts b/bindings/nodejs/lib/client/client.ts
index d14fc18869..991c72cc87 100644
--- a/bindings/nodejs/lib/client/client.ts
+++ b/bindings/nodejs/lib/client/client.ts
@@ -340,7 +340,7 @@ export class Client {
     /**
      * Get the token supply.
      */
-    async getTokenSupply(): Promise<BigInt> {
+    async getTokenSupply(): Promise<bigint> {
         const tokenSupply = (await this.getProtocolParameters()).tokenSupply;
         if (tokenSupply !== undefined) {
             return BigInt(tokenSupply);
diff --git a/bindings/nodejs/tests/types/block.spec.ts b/bindings/nodejs/tests/types/block.spec.ts
index a2c24d991a..4d73d2a94e 100644
--- a/bindings/nodejs/tests/types/block.spec.ts
+++ b/bindings/nodejs/tests/types/block.spec.ts
@@ -2,7 +2,6 @@
 // SPDX-License-Identifier: Apache-2.0
 
 import 'reflect-metadata';
-import { plainToInstance } from 'class-transformer';
 
 import { expect, describe, it } from '@jest/globals';
 import * as basic_block_tagged_data_payload_json from '../../../../sdk/tests/types/fixtures/basic_block_tagged_data_payload.json';