diff --git a/Chapter-1-initial-architecture/Src/Fitnet.ArchitectureTests/Common/Predicates/PredicatesExtensions.cs b/Chapter-1-initial-architecture/Src/Fitnet.ArchitectureTests/Common/Predicates/PredicatesExtensions.cs
index f41775a3..593dc3c7 100644
--- a/Chapter-1-initial-architecture/Src/Fitnet.ArchitectureTests/Common/Predicates/PredicatesExtensions.cs
+++ b/Chapter-1-initial-architecture/Src/Fitnet.ArchitectureTests/Common/Predicates/PredicatesExtensions.cs
@@ -1,7 +1,5 @@
 namespace EvolutionaryArchitecture.Fitnet.ArchitectureTests.Common.Predicates;
 
-using NetArchTest.Rules;
-
 internal static class PredicatesExtensions
 {
     internal static string[] GetModuleTypes(this PredicateList predicates) =>
diff --git a/Chapter-1-initial-architecture/Src/Fitnet.ArchitectureTests/Contracts/ContractsModuleArchitectureTests.cs b/Chapter-1-initial-architecture/Src/Fitnet.ArchitectureTests/Contracts/ContractsModuleArchitectureTests.cs
deleted file mode 100644
index 37c808c7..00000000
--- a/Chapter-1-initial-architecture/Src/Fitnet.ArchitectureTests/Contracts/ContractsModuleArchitectureTests.cs
+++ /dev/null
@@ -1,39 +0,0 @@
-namespace EvolutionaryArchitecture.Fitnet.ArchitectureTests.Contracts;
-
-using System.Reflection;
-using Common.Predicates;
-using NetArchTest.Rules;
-
-public class ContractsModuleArchitectureTests
-{
-    private const string Contracts = "EvolutionaryArchitecture.Fitnet.Contracts";
-    private const string Event = "Event";
-    private readonly Assembly _solution = typeof(Program).Assembly;
-
-    [Fact]
-    internal void Modules_Should_Not_Use_Contract_Module_Internals_Rather_Communicate_Via_Events()
-    {
-        // Arrange
-        var contractsModule = Types.InAssembly(_solution)
-            .That()
-            .ResideInNamespace(Contracts)
-            .And()
-            .DoNotHaveNameEndingWith(Event);
-        var contractsModuleTypes = contractsModule.GetModuleTypes();
-
-        var othersModules = Types.InAssembly(_solution)
-            .That()
-            .DoNotResideInNamespace(Contracts)
-            .And()
-            .DoNotHaveName(nameof(Program));
-
-        // Act
-        var rules = othersModules
-                                            .Should()
-                                            .NotHaveDependencyOnAny(contractsModuleTypes);
-        var validationResult = rules!.GetResult();
-
-        // Assert
-        validationResult.FailingTypes.Should()!.BeNull();
-    }
-}
diff --git a/Chapter-1-initial-architecture/Src/Fitnet.ArchitectureTests/GlobalUsings.cs b/Chapter-1-initial-architecture/Src/Fitnet.ArchitectureTests/GlobalUsings.cs
index 7b25dddc..adb5008c 100644
--- a/Chapter-1-initial-architecture/Src/Fitnet.ArchitectureTests/GlobalUsings.cs
+++ b/Chapter-1-initial-architecture/Src/Fitnet.ArchitectureTests/GlobalUsings.cs
@@ -1,2 +1,5 @@
+global using System.Reflection;
+global using EvolutionaryArchitecture.Fitnet.ArchitectureTests.Common.Predicates;
 global using FluentAssertions;
+global using NetArchTest.Rules;
 global using Xunit;