diff --git a/DbFirst.API/Program.cs b/DbFirst.API/Program.cs
index 58145d7..d1e3c7e 100644
--- a/DbFirst.API/Program.cs
+++ b/DbFirst.API/Program.cs
@@ -1,10 +1,8 @@
+using DbFirst.API.Middleware;
 using DbFirst.Application;
-using DbFirst.Application.Catalogs;
 using DbFirst.Domain.Repositories;
 using DbFirst.Infrastructure;
 using DbFirst.Infrastructure.Repositories;
-using MediatR;
-using DbFirst.API.Middleware;
 
 var builder = WebApplication.CreateBuilder(args);
 
diff --git a/DbFirst.Application/Catalogs/Commands/CreateCatalogCommand.cs b/DbFirst.Application/Catalogs/Commands/CreateCatalogCommand.cs
index 6653794..01ab78b 100644
--- a/DbFirst.Application/Catalogs/Commands/CreateCatalogCommand.cs
+++ b/DbFirst.Application/Catalogs/Commands/CreateCatalogCommand.cs
@@ -1,4 +1,3 @@
-using DbFirst.Application.Catalogs;
 using MediatR;
 
 namespace DbFirst.Application.Catalogs.Commands;
diff --git a/DbFirst.Application/Catalogs/Commands/UpdateCatalogCommand.cs b/DbFirst.Application/Catalogs/Commands/UpdateCatalogCommand.cs
index ab8f272..9a8eb0e 100644
--- a/DbFirst.Application/Catalogs/Commands/UpdateCatalogCommand.cs
+++ b/DbFirst.Application/Catalogs/Commands/UpdateCatalogCommand.cs
@@ -1,4 +1,3 @@
-using DbFirst.Application.Catalogs;
 using MediatR;
 
 namespace DbFirst.Application.Catalogs.Commands;
diff --git a/DbFirst.Application/Catalogs/Queries/GetAllCatalogsQuery.cs b/DbFirst.Application/Catalogs/Queries/GetAllCatalogsQuery.cs
index 234e7e8..56e417f 100644
--- a/DbFirst.Application/Catalogs/Queries/GetAllCatalogsQuery.cs
+++ b/DbFirst.Application/Catalogs/Queries/GetAllCatalogsQuery.cs
@@ -1,4 +1,3 @@
-using DbFirst.Application.Catalogs;
 using MediatR;
 
 namespace DbFirst.Application.Catalogs.Queries;
diff --git a/DbFirst.Application/Catalogs/Queries/GetCatalogByIdQuery.cs b/DbFirst.Application/Catalogs/Queries/GetCatalogByIdQuery.cs
index 7fbb7e4..c2c63d3 100644
--- a/DbFirst.Application/Catalogs/Queries/GetCatalogByIdQuery.cs
+++ b/DbFirst.Application/Catalogs/Queries/GetCatalogByIdQuery.cs
@@ -1,4 +1,3 @@
-using DbFirst.Application.Catalogs;
 using MediatR;
 
 namespace DbFirst.Application.Catalogs.Queries;
diff --git a/DbFirst.Domain/Repositories/ICatalogRepository.cs b/DbFirst.Domain/Repositories/ICatalogRepository.cs
index 8cd3b8b..815bfda 100644
--- a/DbFirst.Domain/Repositories/ICatalogRepository.cs
+++ b/DbFirst.Domain/Repositories/ICatalogRepository.cs
@@ -1,5 +1,4 @@
 using DbFirst.Domain.Entities;
-using DbFirst.Domain;
 
 namespace DbFirst.Domain.Repositories;
 
diff --git a/DbFirst.Infrastructure/Repositories/CatalogRepository.cs b/DbFirst.Infrastructure/Repositories/CatalogRepository.cs
index 990b838..54478d9 100644
--- a/DbFirst.Infrastructure/Repositories/CatalogRepository.cs
+++ b/DbFirst.Infrastructure/Repositories/CatalogRepository.cs
@@ -1,17 +1,9 @@
-using Azure;
+using DbFirst.Domain;
 using DbFirst.Domain.Entities;
 using DbFirst.Domain.Repositories;
 using Microsoft.Data.SqlClient;
 using Microsoft.EntityFrameworkCore;
-using System;
-using System.Collections.Generic;
 using System.Data;
-using System.Diagnostics.Metrics;
-using System.Text;
-using System.Threading.Channels;
-using static Microsoft.EntityFrameworkCore.DbLoggerCategory;
-using static System.Runtime.InteropServices.JavaScript.JSType;
-using DbFirst.Domain;
 
 namespace DbFirst.Infrastructure.Repositories;