diff --git a/packages/booking-flow/lib/pages/SelectRatePage.tsx b/packages/booking-flow/lib/pages/SelectRatePage.tsx
index a419fb586..c5671300a 100644
--- a/packages/booking-flow/lib/pages/SelectRatePage.tsx
+++ b/packages/booking-flow/lib/pages/SelectRatePage.tsx
@@ -16,16 +16,6 @@ import type { NextSearchParams } from "../types"
 
 export { SelectRateSkeleton as SelectRatePageSkeleton } from "../components/SelectRate"
 
-const rateTypeRegex = {
-  ARB: /(^B[a-z]{3}\d{6}$)/,
-  VOUCHER: /(^VO[0-9a-z]*$)/,
-}
-
-const singleRoomRateTypes = combineRegExps(
-  [rateTypeRegex.ARB, rateTypeRegex.VOUCHER],
-  "i"
-)
-
 export async function SelectRatePage({
   lang,
   searchParams,
@@ -41,17 +31,17 @@ export async function SelectRatePage({
     logger.debug("Invalid search params", searchParams)
     notFound()
   }
-
   const isMultiRoom = booking.rooms.length > 1
   const isRedemption = booking.searchType === SEARCH_TYPE_REDEMPTION
-  const isArbOrVoucher = booking.bookingCode
-    ? singleRoomRateTypes.test(booking.bookingCode)
+  const voucherPattern = /^VO[0-9a-z]*$/i
+  const isVoucher = booking.bookingCode
+    ? voucherPattern.test(booking.bookingCode)
     : false
 
-  if ((isMultiRoom && isRedemption) || (isMultiRoom && isArbOrVoucher)) {
+  if ((isMultiRoom && isRedemption) || (isMultiRoom && isVoucher)) {
     logger.debug(
       "Invalid search params, can't have multiroom and redemption/voucher",
-      { isMultiRoom, isRedemption, isArbOrVoucher }
+      { isMultiRoom, isRedemption, isVoucher }
     )
     notFound()
   }
@@ -82,7 +72,3 @@ export async function SelectRatePage({
     </BookingFlowConfig>
   )
 }
-
-function combineRegExps(regexps: RegExp[], flags = "") {
-  return new RegExp(regexps.map((r) => r.source).join("|"), flags)
-}