diff --git a/core/utils/mod.ts b/core/utils/mod.ts
index 2f302f6..68a001d 100644
--- a/core/utils/mod.ts
+++ b/core/utils/mod.ts
@@ -1,5 +1,8 @@
+import * as dotUtils from '@polkadot/util';
+
+export { dotUtils };
+
 export * from './contractTxUtils.ts';
 export * from './contracts/mod.ts';
 export * from './getExpiredItem.ts';
-export * from './parseUnits.ts';
 export * from './pseudoRandomId.ts';
diff --git a/core/utils/parseUnits.ts b/core/utils/parseUnits.ts
deleted file mode 100644
index cb38776..0000000
--- a/core/utils/parseUnits.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-import BN from 'bn.js';
-
-export const stringNumberToBN = (valWithCommas: string): typeof BN =>
-  new BN(valWithCommas.split(',').join(''));