diff --git a/src/ServiceBusExplorer.Tests/Helpers/TwoFilesConfigurationTests.cs b/src/ServiceBusExplorer.Tests/Helpers/TwoFilesConfigurationTests.cs
index e7562b44..e057e271 100644
--- a/src/ServiceBusExplorer.Tests/Helpers/TwoFilesConfigurationTests.cs
+++ b/src/ServiceBusExplorer.Tests/Helpers/TwoFilesConfigurationTests.cs
@@ -8,7 +8,6 @@
 using ServiceBusExplorer.Helpers;
 using ServiceBusExplorer.Utilities.Helpers;
 using Microsoft.ServiceBus;
-using System.Linq;
 using FluentAssertions;
 using Xunit;
 
@@ -148,7 +147,7 @@ public TwoFilesConfigurationTests()
 
         #region Public methods   
         //TODO: Refactor Setup
-        public void Setup()
+        private void Setup()
         {
             // Reset application config file. It does not work well just making a copy
             // of the application config file since it may have been modified by a previous