diff --git a/federation/src/graphql/util/calculateRecipientBalance.ts b/federation/src/graphql/util/calculateRecipientBalance.ts
deleted file mode 100644
index 2a9c2aa1c..000000000
--- a/federation/src/graphql/util/calculateRecipientBalance.ts
+++ /dev/null
@@ -1,20 +0,0 @@
-import { Decimal } from 'decimal.js-light'
-
-import { getLastTransaction } from './getLastTransaction'
-import { calculateDecay } from './decay'
-import { Decay } from '../api/1_0/model/Decay'
-
-export async function calculateRecipientBalance(
-  userId: number,
-  amount: Decimal,
-  time: Date,
-): Promise<{ balance: Decimal; decay: Decay; lastTransactionId: number } | null> {
-  const lastTransaction = await getLastTransaction(userId)
-  if (!lastTransaction) return null
-
-  const decay = calculateDecay(lastTransaction.balance, lastTransaction.balanceDate, time)
-
-  const balance = decay.balance.add(amount.toString())
-
-  return { balance, lastTransactionId: lastTransaction.id, decay }
-}