diff --git a/lib/plugins.js b/lib/plugins.js
index 8c849a79..c81f8813 100644
--- a/lib/plugins.js
+++ b/lib/plugins.js
@@ -109,61 +109,41 @@ function plugins (settings, deviceId) {
     return tx.fiat.lte(zeroConfLimit)
   }
 
-  function computeAvailableCassettes (cassettes, redeemableTxs) {
-    if (_.isEmpty(redeemableTxs)) return cassettes
-
-    const accountProvisioned = (cassettes, tx) => {
+  const accountProvisioned = (cashUnitType, cashUnits, redeemableTxs) => {
+    const kons = (cashUnits, tx) => {
       // cash-out-helper sends 0 as fallback value, need to filter it out as there are no '0' denominations
-      const cassettesBills = _.flow(
+      const cashUnitsBills = _.flow(
         _.get(['bills']),
-        _.filter(it => _.includes('cassette', it.name) && it.denomination > 0)
-        _.zip(cassettes)
+        _.filter(it => _.includes(cashUnitType, it.name) && it.denomination > 0),
+        _.zip(cashUnits),
       )(tx)
 
-      const sameDenominations = ([cassette, bill]) => cassette?.denomination === bill?.denomination
-      if (!_.every(sameDenominations, cassettesBills))
-        throw new Error('Denominations don\'t add up, cassettes were changed.')
+      const sameDenominations = ([cashUnit, bill]) => cashUnit?.denomination === bill?.denomination
+      if (!_.every(sameDenominations, cashUnitsBills))
+        throw new Error(`Denominations don't add up, ${cashUnitType}s were changed.`)
 
       return _.map(
-        ([cassette, { provisioned }]) => _.set('count', cassette.count - provisioned, cassette),
-        cassettesBills
+        ([cashUnit, { provisioned }]) => _.set('count', cashUnit.count - provisioned, cashUnit),
+        cashUnitsBills
       )
     }
 
-    cassettes = _.reduce(accountProvisioned, cassettes, redeemableTxs)
+    return _.reduce(kons, cashUnits, redeemableTxs)
+  }
 
+  function computeAvailableCassettes (cassettes, redeemableTxs) {
+    if (_.isEmpty(redeemableTxs)) return cassettes
+    cassettes = accountProvisioned('cassette', cassettes, redeemableTxs)
     if (_.some(({ count }) => count < 0, cassettes))
       throw new Error('Negative note count: %j', counts)
-
     return cassettes
   }
 
   function computeAvailableRecyclers (recyclers, redeemableTxs) {
     if (_.isEmpty(redeemableTxs)) return recyclers
-
-    const accountProvisioned = (recyclers, tx) => {
-      // cash-out-helper sends 0 as fallback value, need to filter it out as there are no '0' denominations
-      const recyclersBills = _.flow(
-        _.get(['bills']),
-        _.filter(it => _.includes('recycler', it.name) && it.denomination > 0)
-        _.zip(recyclers)
-      )(tx)
-
-      const sameDenominations = ([recycler, bill]) => recycler?.denomination === bill?.denomination
-      if (!_.every(sameDenominations, recyclersBills))
-        throw new Error('Denominations don\'t add up, recyclers were changed.')
-
-      return _.map(
-        ([recycler, { provisioned }]) => _.set('count', recycler.count - provisioned, recycler),
-        recyclersBills
-      )
-    }
-
-    recyclers = _.reduce(accountProvisioned, recyclers, redeemableTxs)
-
+    recyclers = accountProvisioned('recycler', recyclers, redeemableTxs)
     if (_.some(({ count }) => count < 0, recyclers))
       throw new Error('Negative note count: %j', counts)
-
     return recyclers
   }