diff --git a/src/modules/first-leg/api/firstLeg.ts b/src/modules/first-leg/api/firstLeg.ts
index 6e7d0a4..5fbfc89 100644
--- a/src/modules/first-leg/api/firstLeg.ts
+++ b/src/modules/first-leg/api/firstLeg.ts
@@ -120,7 +120,6 @@ export interface ProductImageUploadResult {
 }
 
 export interface FirstLegOrderSaveRequest {
-  customerId?: number | string
   customerName: string
   transportMode: ApiTransportMode
   tradeTerm?: string
diff --git a/src/modules/first-leg/store/firstLegOrders.test.mjs b/src/modules/first-leg/store/firstLegOrders.test.mjs
index fd36da0..b4ca59d 100644
--- a/src/modules/first-leg/store/firstLegOrders.test.mjs
+++ b/src/modules/first-leg/store/firstLegOrders.test.mjs
@@ -111,6 +111,7 @@ test('sends backend-required channel, pricing, customs, destination and cargo fi
   }
   assert.match(storeSource, /containerMode: draft\.transportMode === 'FCL' \? 'FULL_CONTAINER'/)
   assert.doesNotMatch(storeSource, /customerId: draft\.shipperPartyId/)
+  assert.doesNotMatch(apiSource, /interface FirstLegOrderSaveRequest \{[^}]*customerId\??:/s)
   assert.match(storeSource, /customerName: customerName\.trim\(\)/)
   assert.match(storeSource, /destinationWarehouseId: draft\.destinationType === 'PRIVATE' \? undefined : draft\.destinationWarehouseId/)
   assert.match(storeSource, /draft\.pickupMethod === 'PICKUP'.*draft\.shipperPartySnapshot/s)