diff --git a/CliFx.Tests/EnvironmentSpecs.cs b/CliFx.Tests/EnvironmentSpecs.cs
index e070644..2dd0592 100644
--- a/CliFx.Tests/EnvironmentSpecs.cs
+++ b/CliFx.Tests/EnvironmentSpecs.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.IO;
 using System.Threading.Tasks;
 using CliFx.Tests.Utils;
diff --git a/CliFx.Tests/ErrorReportingSpecs.cs b/CliFx.Tests/ErrorReportingSpecs.cs
index 699fe70..7d82c33 100644
--- a/CliFx.Tests/ErrorReportingSpecs.cs
+++ b/CliFx.Tests/ErrorReportingSpecs.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Threading.Tasks;
 using CliFx.Tests.Utils;
 using CliFx.Tests.Utils.Extensions;
diff --git a/CliFx.Tests/HelpTextSpecs.cs b/CliFx.Tests/HelpTextSpecs.cs
index 8b4ec73..9b19274 100644
--- a/CliFx.Tests/HelpTextSpecs.cs
+++ b/CliFx.Tests/HelpTextSpecs.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Threading.Tasks;
 using CliFx.Tests.Utils;
 using CliFx.Tests.Utils.Extensions;
diff --git a/CliFx.Tests/OptionBindingSpecs.cs b/CliFx.Tests/OptionBindingSpecs.cs
index 5a17216..4d57e58 100644
--- a/CliFx.Tests/OptionBindingSpecs.cs
+++ b/CliFx.Tests/OptionBindingSpecs.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Threading.Tasks;
 using CliFx.Tests.Utils;
 using CliFx.Tests.Utils.Extensions;
diff --git a/CliFx.Tests/RoutingSpecs.cs b/CliFx.Tests/RoutingSpecs.cs
index 380785f..8c4cb5d 100644
--- a/CliFx.Tests/RoutingSpecs.cs
+++ b/CliFx.Tests/RoutingSpecs.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Threading.Tasks;
 using CliFx.Tests.Utils;
 using FluentAssertions;
diff --git a/CliFx/Utils/NoPreambleEncoding.cs b/CliFx/Utils/NoPreambleEncoding.cs
index d3494f2..17177f2 100644
--- a/CliFx/Utils/NoPreambleEncoding.cs
+++ b/CliFx/Utils/NoPreambleEncoding.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Diagnostics.CodeAnalysis;
+using System.Diagnostics.CodeAnalysis;
 using System.Text;
 
 namespace CliFx.Utils;