diff --git a/AGENTS.md b/AGENTS.md
index e73ff2b..719729e 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -50,7 +50,7 @@ Domain entities
 - AppUser (global, superAdmin), PropertyUser (roles per property).
 - RoomType: code/name/occupancy + otaAliases.
 - Room: roomNumber, floor, hasNfc, active, maintenance, notes.
-- Booking: status, expected check-in/out, emailAuditPdfUrl, transportMode, transportVehicleNumber.
+- Booking: status, expected check-in/out, emailAuditPdfUrl, transportMode.
 - Guest (property-scoped).
 - RoomStay.
 - RoomStayChange (idempotent room move).
diff --git a/src/main/kotlin/com/android/trisolarisserver/controller/BookingFlow.kt b/src/main/kotlin/com/android/trisolarisserver/controller/BookingFlow.kt
index e4b7c3e..f24b5c5 100644
--- a/src/main/kotlin/com/android/trisolarisserver/controller/BookingFlow.kt
+++ b/src/main/kotlin/com/android/trisolarisserver/controller/BookingFlow.kt
@@ -156,7 +156,6 @@ class BookingFlow(
             }
             mode
         }
-        booking.transportVehicleNumber = request.transportVehicleNumber
         if (request.notes != null) booking.notes = request.notes
         booking.updatedAt = now
         bookingRepo.save(booking)
diff --git a/src/main/kotlin/com/android/trisolarisserver/controller/dto/BookingDtos.kt b/src/main/kotlin/com/android/trisolarisserver/controller/dto/BookingDtos.kt
index 1470845..efac36a 100644
--- a/src/main/kotlin/com/android/trisolarisserver/controller/dto/BookingDtos.kt
+++ b/src/main/kotlin/com/android/trisolarisserver/controller/dto/BookingDtos.kt
@@ -6,7 +6,6 @@ data class BookingCheckInRequest(
     val roomIds: List<UUID>,
     val checkInAt: String? = null,
     val transportMode: String? = null,
-    val transportVehicleNumber: String? = null,
     val notes: String? = null
 )
 
diff --git a/src/main/kotlin/com/android/trisolarisserver/models/booking/Booking.kt b/src/main/kotlin/com/android/trisolarisserver/models/booking/Booking.kt
index 2f172e9..7b83eb0 100644
--- a/src/main/kotlin/com/android/trisolarisserver/models/booking/Booking.kt
+++ b/src/main/kotlin/com/android/trisolarisserver/models/booking/Booking.kt
@@ -56,9 +56,6 @@ class Booking(
     @Column(name = "transport_mode")
     var transportMode: TransportMode? = null,
 
-    @Column(name = "transport_vehicle_number")
-    var transportVehicleNumber: String? = null,
-
     @Column(name = "adult_count")
     var adultCount: Int? = null,