diff --git a/CleanArchitecture.Domain.Tests/CommandHandler/User/LoginUser/LoginUserCommandHandlerTests.cs b/CleanArchitecture.Domain.Tests/CommandHandler/User/LoginUser/LoginUserCommandHandlerTests.cs
index 6137b67..ba4deaa 100644
--- a/CleanArchitecture.Domain.Tests/CommandHandler/User/LoginUser/LoginUserCommandHandlerTests.cs
+++ b/CleanArchitecture.Domain.Tests/CommandHandler/User/LoginUser/LoginUserCommandHandlerTests.cs
@@ -35,12 +35,12 @@ public sealed class LoginUserCommandHandlerTests
 
         Guid.Parse(userIdClaim!.Value).Should().Be(user.Id);
 
-        var userEmailClaim = decodedToken!.Claims
+        var userEmailClaim = decodedToken.Claims
             .FirstOrDefault(x => string.Equals(x.Type, ClaimTypes.Email));
 
         userEmailClaim!.Value.Should().Be(user.Email);
 
-        var userRoleClaim = decodedToken!.Claims
+        var userRoleClaim = decodedToken.Claims
             .FirstOrDefault(x => string.Equals(x.Type, ClaimTypes.Role));
 
         userRoleClaim!.Value.Should().Be(user.Role.ToString());
diff --git a/CleanArchitecture.Domain/ApiUser.cs b/CleanArchitecture.Domain/ApiUser.cs
index c8b81fa..708cec4 100644
--- a/CleanArchitecture.Domain/ApiUser.cs
+++ b/CleanArchitecture.Domain/ApiUser.cs
@@ -11,7 +11,7 @@ public sealed class ApiUser : IUser
 {
     private readonly IHttpContextAccessor _httpContextAccessor;
 
-    private string? _name = null;
+    private string? _name;
     private Guid _userId = Guid.Empty;
 
     public ApiUser(IHttpContextAccessor httpContextAccessor)
diff --git a/CleanArchitecture.Infrastructure.Tests/InMemoryBusTests.cs b/CleanArchitecture.Infrastructure.Tests/InMemoryBusTests.cs
index 801de70..1ef559e 100644
--- a/CleanArchitecture.Infrastructure.Tests/InMemoryBusTests.cs
+++ b/CleanArchitecture.Infrastructure.Tests/InMemoryBusTests.cs
@@ -28,7 +28,7 @@ public sealed class InMemoryBusTests
 
         await inMemoryBus.RaiseEventAsync(domainEvent);
 
-        await mediator.Received(1).Publish(Arg.Is<DomainNotification>(x => x.Equals(domainEvent)), default);
+        await mediator.Received(1).Publish(Arg.Is<DomainNotification>(x => x.Equals(domainEvent)));
     }
 
     [Fact]
@@ -43,7 +43,7 @@ public sealed class InMemoryBusTests
 
         await inMemoryBus.RaiseEventAsync(userDeletedEvent);
 
-        await mediator.Received(1).Publish(Arg.Is<UserDeletedEvent>(x => x.Equals(userDeletedEvent)), default);
+        await mediator.Received(1).Publish(Arg.Is<UserDeletedEvent>(x => x.Equals(userDeletedEvent)));
     }
 
     [Fact]
@@ -58,6 +58,6 @@ public sealed class InMemoryBusTests
 
         await inMemoryBus.SendCommandAsync(deleteUserCommand);
 
-        await mediator.Received(1).Send(Arg.Is<DeleteUserCommand>(x => x.Equals(deleteUserCommand)), default);
+        await mediator.Received(1).Send(Arg.Is<DeleteUserCommand>(x => x.Equals(deleteUserCommand)));
     }
 }
\ No newline at end of file
diff --git a/CleanArchitecture.Infrastructure.Tests/UnitOfWorkTests.cs b/CleanArchitecture.Infrastructure.Tests/UnitOfWorkTests.cs
index 4aa9068..9b8abad 100644
--- a/CleanArchitecture.Infrastructure.Tests/UnitOfWorkTests.cs
+++ b/CleanArchitecture.Infrastructure.Tests/UnitOfWorkTests.cs
@@ -38,7 +38,7 @@ public sealed class UnitOfWorkTests
 
         dbContextMock
             .When(x => x.SaveChangesAsync(CancellationToken.None))
-            .Do(x => throw new DbUpdateException("Boom", new Exception("it broke")));
+            .Do(_ => throw new DbUpdateException("Boom", new Exception("it broke")));
 
         var unitOfWork = UnitOfWorkTestFixture.GetUnitOfWork(dbContextMock, loggerMock);
 
@@ -56,7 +56,7 @@ public sealed class UnitOfWorkTests
 
         dbContextMock
             .When(x => x.SaveChangesAsync(CancellationToken.None))
-            .Do(x => throw new Exception("Boom"));
+            .Do(_ => throw new Exception("Boom"));
 
         var unitOfWork = UnitOfWorkTestFixture.GetUnitOfWork(dbContextMock, loggerMock);
 
diff --git a/CleanArchitecture.IntegrationTests/Fixtures/TestFixtureBase.cs b/CleanArchitecture.IntegrationTests/Fixtures/TestFixtureBase.cs
index d2187f6..99a38ed 100644
--- a/CleanArchitecture.IntegrationTests/Fixtures/TestFixtureBase.cs
+++ b/CleanArchitecture.IntegrationTests/Fixtures/TestFixtureBase.cs
@@ -1,5 +1,4 @@
 using System;
-using System.IO;
 using System.Net.Http;
 using CleanArchitecture.Infrastructure.Database;
 using CleanArchitecture.IntegrationTests.Infrastructure;