diff --git a/src/Services/Booking/src/Booking/Extensions/CoreExtensions.cs b/src/Services/Booking/src/Booking/Extensions/CoreExtensions.cs
index a00853f..d2cd99f 100644
--- a/src/Services/Booking/src/Booking/Extensions/CoreExtensions.cs
+++ b/src/Services/Booking/src/Booking/Extensions/CoreExtensions.cs
@@ -1,23 +1,23 @@
 using BuildingBlocks.Core;
 using BuildingBlocks.Utils;
-using BuildingBlocks.Web;
-using Microsoft.Extensions.Configuration;
+using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace Booking.Extensions;
 
 public static class CoreExtensions
 {
-    public static IServiceCollection AddCore(this IServiceCollection services, IConfiguration configuration)
+    public static IServiceCollection AddCore(this IServiceCollection services)
     {
-        services.AddOptions<AppOptions>()
-            .Bind(configuration.GetSection(nameof(AppOptions)))
-            .ValidateDataAnnotations();
-
         services.AddScoped<ICurrentUserProvider, CurrentUserProvider>();
-        services.AddTransient<IEventMapper, EventMapper>();
+        services.AddScoped<IEventMapper, EventMapper>();
         services.AddScoped<IEventDispatcher, EventDispatcher>();
 
+        services.Configure<ApiBehaviorOptions>(options =>
+        {
+            options.SuppressModelStateInvalidFilter = true;
+        });
+
         return services;
     }
 }
diff --git a/src/Services/Flight/src/Flight/Extensions/CoreExtensions.cs b/src/Services/Flight/src/Flight/Extensions/CoreExtensions.cs
index 44c7c73..a6a5762 100644
--- a/src/Services/Flight/src/Flight/Extensions/CoreExtensions.cs
+++ b/src/Services/Flight/src/Flight/Extensions/CoreExtensions.cs
@@ -1,23 +1,23 @@
 using BuildingBlocks.Core;
 using BuildingBlocks.Utils;
-using BuildingBlocks.Web;
-using Microsoft.Extensions.Configuration;
+using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace Flight.Extensions;
 
 public static class CoreExtensions
 {
-    public static IServiceCollection AddCore(this IServiceCollection services, IConfiguration configuration)
+    public static IServiceCollection AddCore(this IServiceCollection services)
     {
-        services.AddOptions<AppOptions>()
-            .Bind(configuration.GetSection(nameof(AppOptions)))
-            .ValidateDataAnnotations();
-
         services.AddScoped<ICurrentUserProvider, CurrentUserProvider>();
-        services.AddTransient<IEventMapper, EventMapper>();
+        services.AddScoped<IEventMapper, EventMapper>();
         services.AddScoped<IEventDispatcher, EventDispatcher>();
 
+        services.Configure<ApiBehaviorOptions>(options =>
+        {
+            options.SuppressModelStateInvalidFilter = true;
+        });
+
         return services;
     }
 }
diff --git a/src/Services/Identity/src/Identity/Extensions/CoreExtensions.cs b/src/Services/Identity/src/Identity/Extensions/CoreExtensions.cs
index e9af8d5..f914c33 100644
--- a/src/Services/Identity/src/Identity/Extensions/CoreExtensions.cs
+++ b/src/Services/Identity/src/Identity/Extensions/CoreExtensions.cs
@@ -1,21 +1,21 @@
 using BuildingBlocks.Core;
-using BuildingBlocks.Web;
-using Microsoft.Extensions.Configuration;
+using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace Identity.Extensions;
 
 public static class CoreExtensions
 {
-    public static IServiceCollection AddCore(this IServiceCollection services, IConfiguration configuration)
+    public static IServiceCollection AddCore(this IServiceCollection services)
     {
-        services.AddOptions<AppOptions>()
-            .Bind(configuration.GetSection(nameof(AppOptions)))
-            .ValidateDataAnnotations();
-
-        services.AddTransient<IEventMapper, EventMapper>();
+        services.AddScoped<IEventMapper, EventMapper>();
         services.AddScoped<IEventDispatcher, EventDispatcher>();
 
+        services.Configure<ApiBehaviorOptions>(options =>
+        {
+            options.SuppressModelStateInvalidFilter = true;
+        });
+
         return services;
     }
 }
diff --git a/src/Services/Passenger/src/Passenger/Extensions/CoreExtensions.cs b/src/Services/Passenger/src/Passenger/Extensions/CoreExtensions.cs
index 349c32d..3cc6e0e 100644
--- a/src/Services/Passenger/src/Passenger/Extensions/CoreExtensions.cs
+++ b/src/Services/Passenger/src/Passenger/Extensions/CoreExtensions.cs
@@ -1,25 +1,23 @@
 using BuildingBlocks.Core;
 using BuildingBlocks.Utils;
-using BuildingBlocks.Web;
-using Microsoft.Extensions.Configuration;
+using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace Passenger.Extensions;
 
 public static class CoreExtensions
 {
-    public static IServiceCollection AddCore(this IServiceCollection services, IConfiguration configuration)
+    public static IServiceCollection AddCore(this IServiceCollection services)
     {
-        configuration.GetSection(nameof(AppOptions)).Bind(nameof(AppOptions));
-
-        services.AddOptions<AppOptions>()
-            .Bind(configuration.GetSection(nameof(AppOptions)))
-            .ValidateDataAnnotations();
-
         services.AddScoped<ICurrentUserProvider, CurrentUserProvider>();
-        services.AddTransient<IEventMapper, EventMapper>();
+        services.AddScoped<IEventMapper, EventMapper>();
         services.AddScoped<IEventDispatcher, EventDispatcher>();
 
+        services.Configure<ApiBehaviorOptions>(options =>
+        {
+            options.SuppressModelStateInvalidFilter = true;
+        });
+
         return services;
     }
 }