diff --git a/src/Services/Flight/src/Flight/Aircrafts/Models/Aircraft.cs b/src/Services/Flight/src/Flight/Aircrafts/Models/Aircraft.cs
index 1e91b75..ab71aeb 100644
--- a/src/Services/Flight/src/Flight/Aircrafts/Models/Aircraft.cs
+++ b/src/Services/Flight/src/Flight/Aircrafts/Models/Aircraft.cs
@@ -3,7 +3,7 @@ using BuildingBlocks.Core.Model;
 namespace Flight.Aircrafts.Models;
 
 using Features.CreatingAircraft.V1;
-using Flight.Aircrafts.ValueObjects;
+using ValueObjects;
 
 public record Aircraft : Aggregate<AircraftId>
 {
diff --git a/src/Services/Flight/src/Flight/Airports/Models/Airport.cs b/src/Services/Flight/src/Flight/Airports/Models/Airport.cs
index 7eafe85..efe8120 100644
--- a/src/Services/Flight/src/Flight/Airports/Models/Airport.cs
+++ b/src/Services/Flight/src/Flight/Airports/Models/Airport.cs
@@ -3,7 +3,7 @@ using BuildingBlocks.Core.Model;
 namespace Flight.Airports.Models;
 
 using Features.CreatingAirport.V1;
-using Flight.Airports.ValueObjects;
+using ValueObjects;
 
 public record Airport : Aggregate<AirportId>
 {
@@ -22,10 +22,10 @@ public record Airport : Aggregate<AirportId>
         };
 
         var @event = new AirportCreatedDomainEvent(
-            airport.Id.Value,
-            airport.Name.Value,
-            airport.Address.Value,
-            airport.Code.Value,
+            airport.Id,
+            airport.Name,
+            airport.Address,
+            airport.Code,
             isDeleted);
 
         airport.AddDomainEvent(@event);
diff --git a/src/Services/Flight/src/Flight/Flights/Features/UpdatingFlight/V1/UpdateFlight.cs b/src/Services/Flight/src/Flight/Flights/Features/UpdatingFlight/V1/UpdateFlight.cs
index 40f357e..e8c2928 100644
--- a/src/Services/Flight/src/Flight/Flights/Features/UpdatingFlight/V1/UpdateFlight.cs
+++ b/src/Services/Flight/src/Flight/Flights/Features/UpdatingFlight/V1/UpdateFlight.cs
@@ -118,7 +118,7 @@ internal class UpdateFlightHandler : ICommandHandler<UpdateFlight, UpdateFlightR
             ArriveDate.Of(request.ArriveDate), AirportId.Of(request.ArriveAirportId), DurationMinutes.Of(request.DurationMinutes), FlightDate.Of(request.FlightDate), request.Status,
             Price.Of(request.Price), request.IsDeleted);
 
-        var updateFlight = (_flightDbContext.Flights.Update(flight)).Entity;
+        var updateFlight = _flightDbContext.Flights.Update(flight).Entity;
 
         return new UpdateFlightResult(updateFlight.Id);
     }
diff --git a/src/Services/Flight/src/Flight/Flights/Models/Flight.cs b/src/Services/Flight/src/Flight/Flights/Models/Flight.cs
index 885e9ad..4b5b86c 100644
--- a/src/Services/Flight/src/Flight/Flights/Models/Flight.cs
+++ b/src/Services/Flight/src/Flight/Flights/Models/Flight.cs
@@ -7,7 +7,7 @@ using Airports.ValueObjects;
 using Features.CreatingFlight.V1;
 using Features.DeletingFlight.V1;
 using Features.UpdatingFlight.V1;
-using global::Flight.Flights.ValueObjects;
+using ValueObjects;
 
 public record Flight : Aggregate<FlightId>
 {
@@ -43,10 +43,10 @@ public record Flight : Aggregate<FlightId>
             IsDeleted = isDeleted,
         };
 
-        var @event = new FlightCreatedDomainEvent(flight.Id.Value, flight.FlightNumber.Value, flight.AircraftId.Value,
-            flight.DepartureDate.Value, flight.DepartureAirportId.Value,
-            flight.ArriveDate.Value, flight.ArriveAirportId.Value, flight.DurationMinutes.Value, flight.FlightDate.Value, flight.Status,
-            flight.Price.Value, flight.IsDeleted);
+        var @event = new FlightCreatedDomainEvent(flight.Id, flight.FlightNumber, flight.AircraftId,
+            flight.DepartureDate, flight.DepartureAirportId,
+            flight.ArriveDate, flight.ArriveAirportId, flight.DurationMinutes, flight.FlightDate, flight.Status,
+            flight.Price, flight.IsDeleted);
 
         flight.AddDomainEvent(@event);
 
@@ -59,20 +59,20 @@ public record Flight : Aggregate<FlightId>
         AirportId arriveAirportId, DurationMinutes durationMinutes, FlightDate flightDate, Enums.FlightStatus status,
         Price price, bool isDeleted = false)
     {
-        FlightNumber = flightNumber;
-        AircraftId = aircraftId;
-        DepartureAirportId = departureAirportId;
-        DepartureDate = departureDate;
-        ArriveDate = arriveDate;
-        ArriveAirportId = arriveAirportId;
-        DurationMinutes = durationMinutes;
-        FlightDate = flightDate;
-        Status = status;
-        Price = price;
-        IsDeleted = isDeleted;
+        this.FlightNumber = flightNumber;
+        this.AircraftId = aircraftId;
+        this.DepartureAirportId = departureAirportId;
+        this.DepartureDate = departureDate;
+        this.ArriveDate = arriveDate;
+        this.ArriveAirportId = arriveAirportId;
+        this.DurationMinutes = durationMinutes;
+        this.FlightDate = flightDate;
+        this.Status = status;
+        this.Price = price;
+        this.IsDeleted = isDeleted;
 
-        var @event = new FlightUpdatedDomainEvent(id.Value, flightNumber.Value, aircraftId.Value, departureDate.Value, departureAirportId.Value,
-            arriveDate.Value, arriveAirportId.Value, durationMinutes.Value, flightDate.Value, status, price.Value, isDeleted);
+        var @event = new FlightUpdatedDomainEvent(id, flightNumber, aircraftId, departureDate, departureAirportId,
+            arriveDate, arriveAirportId, durationMinutes, flightDate, status, price, isDeleted);
 
         AddDomainEvent(@event);
     }
@@ -94,8 +94,8 @@ public record Flight : Aggregate<FlightId>
         Price = price;
         IsDeleted = isDeleted;
 
-        var @event = new FlightDeletedDomainEvent(id.Value, flightNumber.Value, aircraftId.Value, departureDate.Value, departureAirportId.Value,
-            arriveDate.Value, arriveAirportId.Value, durationMinutes.Value, flightDate.Value, status, price.Value, isDeleted);
+        var @event = new FlightDeletedDomainEvent(id, flightNumber, aircraftId, departureDate, departureAirportId,
+            arriveDate, arriveAirportId, durationMinutes, flightDate, status, price, isDeleted);
 
         AddDomainEvent(@event);
     }
diff --git a/src/Services/Flight/src/Flight/Seats/Features/ReservingSeat/Commands/V1/ReserveSeat.cs b/src/Services/Flight/src/Flight/Seats/Features/ReservingSeat/Commands/V1/ReserveSeat.cs
index 4ff836b..a5e9d7d 100644
--- a/src/Services/Flight/src/Flight/Seats/Features/ReservingSeat/Commands/V1/ReserveSeat.cs
+++ b/src/Services/Flight/src/Flight/Seats/Features/ReservingSeat/Commands/V1/ReserveSeat.cs
@@ -93,9 +93,9 @@ internal class ReserveSeatCommandHandler : IRequestHandler<ReserveSeat, ReserveS
             throw new SeatNumberIncorrectException();
         }
 
-        var reserveSeat = await seat.ReserveSeat(seat);
+        seat.ReserveSeat();
 
-        var updatedSeat = (_flightDbContext.Seats.Update(reserveSeat)).Entity;
+        var updatedSeat = _flightDbContext.Seats.Update(seat).Entity;
 
         return new ReserveSeatResult(updatedSeat.Id);
     }
diff --git a/src/Services/Flight/src/Flight/Seats/Models/Seat.cs b/src/Services/Flight/src/Flight/Seats/Models/Seat.cs
index 51947e5..395fbe8 100644
--- a/src/Services/Flight/src/Flight/Seats/Models/Seat.cs
+++ b/src/Services/Flight/src/Flight/Seats/Models/Seat.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Threading.Tasks;
 using BuildingBlocks.Core.Model;
 
 namespace Flight.Seats.Models;
@@ -7,7 +6,7 @@ namespace Flight.Seats.Models;
 using Features.CreatingSeat.V1;
 using Features.ReservingSeat.Commands.V1;
 using Flight.Flights.ValueObjects;
-using Flight.Seats.ValueObjects;
+using ValueObjects;
 
 public record Seat : Aggregate<SeatId>
 {
@@ -16,7 +15,8 @@ public record Seat : Aggregate<SeatId>
     public Enums.SeatClass Class { get; private set; }
     public FlightId FlightId { get; private set; } = default!;
 
-    public static Seat Create(SeatId id, SeatNumber seatNumber, Enums.SeatType type, Enums.SeatClass @class, FlightId flightId,
+    public static Seat Create(SeatId id, SeatNumber seatNumber, Enums.SeatType type, Enums.SeatClass @class,
+        FlightId flightId,
         bool isDeleted = false)
     {
         var seat = new Seat()
@@ -30,11 +30,11 @@ public record Seat : Aggregate<SeatId>
         };
 
         var @event = new SeatCreatedDomainEvent(
-            seat.Id.Value,
-            seat.SeatNumber.Value,
+            seat.Id,
+            seat.SeatNumber,
             seat.Type,
             seat.Class,
-            seat.FlightId.Value,
+            seat.FlightId,
             isDeleted);
 
         seat.AddDomainEvent(@event);
@@ -42,21 +42,19 @@ public record Seat : Aggregate<SeatId>
         return seat;
     }
 
-    public Task<Seat> ReserveSeat(Seat seat)
+    public void ReserveSeat()
     {
-        seat.IsDeleted = true;
-        seat.LastModified = DateTime.Now;
+        this.IsDeleted = true;
+        this.LastModified = DateTime.Now;
 
         var @event = new SeatReservedDomainEvent(
-            seat.Id.Value,
-            seat.SeatNumber.Value,
-            seat.Type,
-            seat.Class,
-            seat.FlightId.Value,
-            seat.IsDeleted);
+            this.Id,
+            this.SeatNumber,
+            this.Type,
+            this.Class,
+            this.FlightId,
+            this.IsDeleted);
 
-        seat.AddDomainEvent(@event);
-
-        return Task.FromResult(this);
+        this.AddDomainEvent(@event);
     }
 }
diff --git a/src/Services/Passenger/src/Passenger/Passengers/Models/Passenger.cs b/src/Services/Passenger/src/Passenger/Passengers/Models/Passenger.cs
index 72fee0e..7fa03b8 100644
--- a/src/Services/Passenger/src/Passenger/Passengers/Models/Passenger.cs
+++ b/src/Services/Passenger/src/Passenger/Passengers/Models/Passenger.cs
@@ -3,7 +3,7 @@ using BuildingBlocks.Core.Model;
 namespace Passenger.Passengers.Models;
 
 using Features.CompletingRegisterPassenger.V1;
-using global::Passenger.Passengers.ValueObjects;
+using ValueObjects;
 using Identity.Consumers.RegisteringNewUser.V1;
 
 public record Passenger : Aggregate<PassengerId>