diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp10/NamingRules/SA1313CSharp10UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp10/NamingRules/SA1313CSharp10UnitTests.cs
index 02173ad14..d099245cb 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp10/NamingRules/SA1313CSharp10UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp10/NamingRules/SA1313CSharp10UnitTests.cs
@@ -7,7 +7,6 @@ namespace StyleCop.Analyzers.Test.CSharp10.NamingRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using StyleCop.Analyzers.Test.CSharp9.NamingRules;
     using StyleCop.Analyzers.Test.Verifiers;
     using Xunit;
@@ -43,7 +42,7 @@ public R(int a, int b)
 }}
 ";
 
-            await new CSharpTest(LanguageVersion.CSharp10)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = GenericAnalyzerTest.ReferenceAssembliesNet60,
                 TestCode = testCode,
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp10/ReadabilityRules/SA1101CSharp10UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp10/ReadabilityRules/SA1101CSharp10UnitTests.cs
index 6d5bd0724..33b092d9e 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp10/ReadabilityRules/SA1101CSharp10UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp10/ReadabilityRules/SA1101CSharp10UnitTests.cs
@@ -5,7 +5,6 @@ namespace StyleCop.Analyzers.Test.CSharp10.ReadabilityRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using StyleCop.Analyzers.Test.CSharp9.ReadabilityRules;
     using StyleCop.Analyzers.Test.Verifiers;
     using Xunit;
@@ -30,7 +29,7 @@ public bool Method(Test arg)
     }
 }";
 
-            await new CSharpTest(LanguageVersion.CSharp10)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = GenericAnalyzerTest.ReferenceAssembliesNet60,
                 TestCode = testCode,
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/MaintainabilityRules/SA1119CSharp8UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/MaintainabilityRules/SA1119CSharp8UnitTests.cs
index 35c218e60..ab40b101e 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/MaintainabilityRules/SA1119CSharp8UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/MaintainabilityRules/SA1119CSharp8UnitTests.cs
@@ -8,7 +8,6 @@ namespace StyleCop.Analyzers.Test.CSharp8.MaintainabilityRules
     using System.Threading;
     using System.Threading.Tasks;
 
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp7.MaintainabilityRules;
 
@@ -38,7 +37,7 @@ public string TestMethod(int n, object a, object b)
 }
 ";
 
-            await VerifyCSharpDiagnosticAsync(LanguageVersion.CSharp8, testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpDiagnosticAsync(testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
         }
 
         /// <summary>
@@ -76,7 +75,7 @@ public string TestMethod(int n, object a, object b)
                 Diagnostic(ParenthesesDiagnosticId).WithLocation(6, 54),
             };
 
-            await VerifyCSharpFixAsync(LanguageVersion.CSharp8, testCode, expected, fixedCode, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpFixAsync(testCode, expected, fixedCode, CancellationToken.None).ConfigureAwait(false);
         }
 
         /// <summary>
@@ -99,7 +98,7 @@ public async Task<string> TestMethod(int n, Task<string> a, Task<string> b)
 }
 ";
 
-            await VerifyCSharpDiagnosticAsync(LanguageVersion.CSharp8, testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpDiagnosticAsync(testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
         }
 
         /// <summary>
@@ -141,7 +140,7 @@ public async Task<string> TestMethod(int n, Task<string> a, Task<string> b)
                 Diagnostic(ParenthesesDiagnosticId).WithLocation(2),
             };
 
-            await VerifyCSharpFixAsync(LanguageVersion.CSharp8, testCode, expected, fixedCode, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpFixAsync(testCode, expected, fixedCode, CancellationToken.None).ConfigureAwait(false);
         }
 
         /// <summary>
@@ -179,7 +178,7 @@ public void TestMethod(int n, object a, object b)
                 Diagnostic(ParenthesesDiagnosticId).WithLocation(6, 48),
             };
 
-            await VerifyCSharpFixAsync(LanguageVersion.CSharp8, testCode, expected, fixedCode, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpFixAsync(testCode, expected, fixedCode, CancellationToken.None).ConfigureAwait(false);
         }
 
         [Theory]
@@ -200,7 +199,7 @@ public object TestMethod(int n, string a, string b)
 }}
 ";
 
-            await VerifyCSharpDiagnosticAsync(LanguageVersion.CSharp8, testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpDiagnosticAsync(testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
         }
 
         [Fact]
@@ -217,7 +216,7 @@ public unsafe string TestMethod(int n, byte* a, byte* b)
 }
 ";
 
-            await VerifyCSharpDiagnosticAsync(LanguageVersion.CSharp8, testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpDiagnosticAsync(testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
         }
 
         [Fact]
@@ -235,7 +234,7 @@ public unsafe void TestMethod()
 }
 ";
 
-            await VerifyCSharpDiagnosticAsync(LanguageVersion.CSharp8, testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpDiagnosticAsync(testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
         }
 
         [Fact]
@@ -253,7 +252,7 @@ public void TestMethod()
 }
 ";
 
-            await new CSharpTest(LanguageVersion.CSharp8)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.NetCore.NetCoreApp31,
                 TestCode = testCode,
@@ -300,7 +299,7 @@ public void TestMethod()
                 Diagnostic(ParenthesesDiagnosticId).WithLocation(9, 27),
             };
 
-            var test = new CSharpTest(LanguageVersion.CSharp8)
+            var test = new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.NetCore.NetCoreApp31,
                 TestCode = testCode,
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/MaintainabilityRules/SA1413CSharp8UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/MaintainabilityRules/SA1413CSharp8UnitTests.cs
index 4b23d5acc..d4c234fe5 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/MaintainabilityRules/SA1413CSharp8UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/MaintainabilityRules/SA1413CSharp8UnitTests.cs
@@ -7,7 +7,6 @@ namespace StyleCop.Analyzers.Test.CSharp8.MaintainabilityRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp7.MaintainabilityRules;
     using Xunit;
@@ -57,7 +56,7 @@ public void TestMethod(int input)
 }
 ";
 
-            await VerifyCSharpFixAsync(LanguageVersion.CSharp8, testCode, DiagnosticResult.EmptyDiagnosticResults, fixedCode, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpFixAsync(testCode, DiagnosticResult.EmptyDiagnosticResults, fixedCode, CancellationToken.None).ConfigureAwait(false);
         }
     }
 }
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1002CSharp8UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1002CSharp8UnitTests.cs
index 3dfecc055..730942d52 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1002CSharp8UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1002CSharp8UnitTests.cs
@@ -7,7 +7,6 @@ namespace StyleCop.Analyzers.Test.CSharp8.SpacingRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp7.SpacingRules;
     using Xunit;
@@ -55,7 +54,7 @@ public void TestMethod(object?[] arguments)
                 Diagnostic().WithArguments(" not", "preceded").WithLocation(9, 40),
             };
 
-            await VerifyCSharpFixAsync(LanguageVersion.CSharp8, testCode, expected, fixedCode, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpFixAsync(testCode, expected, fixedCode, CancellationToken.None).ConfigureAwait(false);
         }
     }
 }
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1003CSharp8UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1003CSharp8UnitTests.cs
index 4c58fb9a8..85b6098c9 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1003CSharp8UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1003CSharp8UnitTests.cs
@@ -7,7 +7,6 @@ namespace StyleCop.Analyzers.Test.CSharp8.SpacingRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp7.SpacingRules;
     using Xunit;
@@ -59,7 +58,7 @@ public void TestMethod()
 }
 ";
 
-            await new CSharpTest(LanguageVersion.CSharp8)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.NetCore.NetCoreApp31,
                 TestCode = testCode,
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1008CSharp8UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1008CSharp8UnitTests.cs
index bbed6b5db..0b86d258b 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1008CSharp8UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1008CSharp8UnitTests.cs
@@ -7,7 +7,6 @@ namespace StyleCop.Analyzers.Test.CSharp8.SpacingRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp7.SpacingRules;
     using Xunit;
@@ -66,7 +65,7 @@ public void TestMethod()
 }
 ";
 
-            await new CSharpTest(LanguageVersion.CSharp8)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.NetCore.NetCoreApp31,
                 TestCode = testCode,
@@ -108,7 +107,6 @@ void M((string A, string B) tuple)
             };
 
             await VerifyCSharpFixAsync(
-                LanguageVersion.CSharp8,
                 testCode,
                 expectedResults,
                 fixedCode,
@@ -146,7 +144,6 @@ void M((bool A, bool B) tuple)
             };
 
             await VerifyCSharpFixAsync(
-                LanguageVersion.CSharp8,
                 testCode,
                 expectedResults,
                 fixedCode,
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1009CSharp8UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1009CSharp8UnitTests.cs
index 4574626fd..ede298159 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1009CSharp8UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1009CSharp8UnitTests.cs
@@ -7,10 +7,8 @@ namespace StyleCop.Analyzers.Test.CSharp8.SpacingRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp7.SpacingRules;
-    using StyleCop.Analyzers.Test.Verifiers;
     using Xunit;
     using static StyleCop.Analyzers.SpacingRules.SA1009ClosingParenthesisMustBeSpacedCorrectly;
     using static StyleCop.Analyzers.Test.Verifiers.StyleCopCodeFixVerifier<
@@ -44,7 +42,7 @@ public void TestMethod<T>()
     }
 }";
 
-            await VerifyCSharpFixAsync(LanguageVersion.CSharp8, testCode, DiagnosticResult.EmptyDiagnosticResults, fixedCode, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpFixAsync(testCode, DiagnosticResult.EmptyDiagnosticResults, fixedCode, CancellationToken.None).ConfigureAwait(false);
         }
 
         [Fact]
@@ -100,7 +98,7 @@ public Derived()
                 Diagnostic(DescriptorNotPreceded).WithLocation(2),
             };
 
-            await VerifyCSharpFixAsync(LanguageVersion.CSharp8, testCode, expected, fixedCode, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpFixAsync(testCode, expected, fixedCode, CancellationToken.None).ConfigureAwait(false);
         }
 
         [Fact]
@@ -124,7 +122,7 @@ public class Foo
     public IDisposable Service => this.TestMethod<IDisposable>()!;
 }";
 
-            await VerifyCSharpFixAsync(LanguageVersion.CSharp8, testCode, DiagnosticResult.EmptyDiagnosticResults, fixedCode, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpFixAsync(testCode, DiagnosticResult.EmptyDiagnosticResults, fixedCode, CancellationToken.None).ConfigureAwait(false);
         }
 
         [Fact]
@@ -154,7 +152,7 @@ public IDisposable Service()
     }
 }";
 
-            await VerifyCSharpFixAsync(LanguageVersion.CSharp8, testCode, DiagnosticResult.EmptyDiagnosticResults, fixedCode, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpFixAsync(testCode, DiagnosticResult.EmptyDiagnosticResults, fixedCode, CancellationToken.None).ConfigureAwait(false);
         }
 
         /// <summary>
@@ -201,7 +199,7 @@ public string TestMethod()
 }
 ";
 
-            await new CSharpTest(LanguageVersion.CSharp8)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.NetCore.NetCoreApp31,
                 TestCode = testCode,
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1011CSharp8UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1011CSharp8UnitTests.cs
index 2e1b59158..b0ce402cb 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1011CSharp8UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1011CSharp8UnitTests.cs
@@ -7,7 +7,6 @@ namespace StyleCop.Analyzers.Test.CSharp8.SpacingRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp7.SpacingRules;
     using Xunit;
@@ -37,7 +36,7 @@ public void TestMethod()
 }
 ";
 
-            await VerifyCSharpDiagnosticAsync(LanguageVersion.CSharp8, testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpDiagnosticAsync(testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
         }
 
         [Fact]
@@ -56,7 +55,7 @@ public class TestClass
 }
 ";
 
-            await VerifyCSharpDiagnosticAsync(LanguageVersion.CSharp8, testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpDiagnosticAsync(testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
         }
 
         [Fact]
@@ -105,7 +104,7 @@ public void TestMethod(object?[] arguments)
                 Diagnostic().WithArguments(" not", "followed").WithLocation(12, 36),
             };
 
-            await VerifyCSharpFixAsync(LanguageVersion.CSharp8, testCode, expected, fixedCode, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpFixAsync(testCode, expected, fixedCode, CancellationToken.None).ConfigureAwait(false);
         }
     }
 }
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1012CSharp8UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1012CSharp8UnitTests.cs
index 4ceb0b93e..ec85c0800 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1012CSharp8UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1012CSharp8UnitTests.cs
@@ -7,7 +7,6 @@ namespace StyleCop.Analyzers.Test.CSharp8.SpacingRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp7.SpacingRules;
     using Xunit;
@@ -56,7 +55,6 @@ void M((string A, string B) tuple)
             };
 
             await VerifyCSharpFixAsync(
-                LanguageVersion.CSharp8,
                 testCode,
                 expectedResults,
                 fixedCode,
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1013CSharp8UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1013CSharp8UnitTests.cs
index 2befcc1b0..590e9568d 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1013CSharp8UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1013CSharp8UnitTests.cs
@@ -6,7 +6,6 @@ namespace StyleCop.Analyzers.Test.CSharp8.SpacingRules
     using System.Threading;
     using System.Threading.Tasks;
 
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
 
     using StyleCop.Analyzers.Test.CSharp7.SpacingRules;
@@ -91,7 +90,7 @@ public void TestMethod()
 }
 ";
 
-            await VerifyCSharpDiagnosticAsync(LanguageVersion.CSharp8, testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpDiagnosticAsync(testCode, DiagnosticResult.EmptyDiagnosticResults, CancellationToken.None).ConfigureAwait(false);
         }
     }
 }
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1019CSharp8UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1019CSharp8UnitTests.cs
index 203bf369b..eee8bfccf 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1019CSharp8UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp8/SpacingRules/SA1019CSharp8UnitTests.cs
@@ -7,7 +7,6 @@ namespace StyleCop.Analyzers.Test.CSharp8.SpacingRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp7.SpacingRules;
     using Xunit;
@@ -64,7 +63,7 @@ public void TestMethod(object?[] arguments)
                 Diagnostic(DescriptorNotPreceded).WithArguments("?").WithLocation(12, 40),
             };
 
-            await VerifyCSharpFixAsync(LanguageVersion.CSharp8, testCode, expected, fixedCode, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpFixAsync(testCode, expected, fixedCode, CancellationToken.None).ConfigureAwait(false);
         }
     }
 }
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/LayoutRules/SA1516CSharp9UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/LayoutRules/SA1516CSharp9UnitTests.cs
index 1bbf059ed..e88bd35f4 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/LayoutRules/SA1516CSharp9UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/LayoutRules/SA1516CSharp9UnitTests.cs
@@ -8,7 +8,6 @@ namespace StyleCop.Analyzers.Test.CSharp9.LayoutRules
     using System.Threading;
     using System.Threading.Tasks;
     using Microsoft.CodeAnalysis;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp8.LayoutRules;
     using Xunit;
@@ -36,7 +35,7 @@ public async Task TestUsingAndGlobalStatementSpacingInTopLevelProgramAsync()
 return 0;
 ";
 
-            var test = new CSharpTest(LanguageVersion.CSharp9)
+            var test = new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.Net.Net50,
                 TestState =
@@ -63,7 +62,7 @@ public async Task TestGlobalStatementSpacingInTopLevelProgramAsync()
 return i;
 ";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.Net.Net50,
                 TestState =
@@ -90,7 +89,7 @@ public async Task TestGlobalStatementAndRecordSpacingInTopLevelProgramAsync()
 record A();
 ";
 
-            var test = new CSharpTest(LanguageVersion.CSharp9)
+            var test = new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.Net.Net50,
                 TestState =
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/MaintainabilityRules/SA1119CSharp9UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/MaintainabilityRules/SA1119CSharp9UnitTests.cs
index 4b172e9ed..9dcd5059f 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/MaintainabilityRules/SA1119CSharp9UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/MaintainabilityRules/SA1119CSharp9UnitTests.cs
@@ -7,7 +7,6 @@ namespace StyleCop.Analyzers.Test.CSharp9.MaintainabilityRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp8.MaintainabilityRules;
     using Xunit;
@@ -35,7 +34,7 @@ public object TestMethod(Foo n, int a)
 }
 ";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.Net.Net50,
                 TestCode = testCode,
@@ -71,7 +70,7 @@ public object TestMethod(Foo n, int a)
 }
 ";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.Net.Net50,
                 TestCode = testCode,
@@ -113,7 +112,7 @@ public void TestMethod(Foo n, int a)
 }
 ";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.Net.Net50,
                 TestCode = testCode,
@@ -147,7 +146,7 @@ public object TestMethod(Foo n, int a)
 }}
 ";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.Net.Net50,
                 TestCode = testCode,
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/MaintainabilityRules/SA1413CSharp9UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/MaintainabilityRules/SA1413CSharp9UnitTests.cs
index 2d5443c2b..d85368205 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/MaintainabilityRules/SA1413CSharp9UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/MaintainabilityRules/SA1413CSharp9UnitTests.cs
@@ -7,7 +7,6 @@ namespace StyleCop.Analyzers.Test.CSharp9.MaintainabilityRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp8.MaintainabilityRules;
     using Xunit;
@@ -64,7 +63,7 @@ void M()
 }
 ";
 
-            await VerifyCSharpFixAsync(LanguageVersion.CSharp9, testCode, DiagnosticResult.EmptyDiagnosticResults, fixedCode, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpFixAsync(testCode, DiagnosticResult.EmptyDiagnosticResults, fixedCode, CancellationToken.None).ConfigureAwait(false);
         }
     }
 }
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/NamingRules/SA1300CSharp9UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/NamingRules/SA1300CSharp9UnitTests.cs
index 47e80b9c1..be42e3823 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/NamingRules/SA1300CSharp9UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/NamingRules/SA1300CSharp9UnitTests.cs
@@ -7,7 +7,6 @@ namespace StyleCop.Analyzers.Test.CSharp9.NamingRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp8.NamingRules;
     using StyleCop.Analyzers.Test.Verifiers;
@@ -41,7 +40,7 @@ public R(int a, int b)
 }
 ";
 
-            var test = new CSharpTest(LanguageVersion.CSharp9)
+            var test = new CSharpTest()
             {
                 ReferenceAssemblies = GenericAnalyzerTest.ReferenceAssembliesNet50,
                 TestCode = testCode,
@@ -75,7 +74,7 @@ public R(int a, int b)
 }
 ";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = GenericAnalyzerTest.ReferenceAssembliesNet50,
                 TestCode = testCode,
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/NamingRules/SA1313CSharp9UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/NamingRules/SA1313CSharp9UnitTests.cs
index 6e598c92b..96a628d23 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/NamingRules/SA1313CSharp9UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/NamingRules/SA1313CSharp9UnitTests.cs
@@ -7,7 +7,6 @@ namespace StyleCop.Analyzers.Test.CSharp9.NamingRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using StyleCop.Analyzers.Test.CSharp8.NamingRules;
     using StyleCop.Analyzers.Test.Verifiers;
     using Xunit;
@@ -42,7 +41,7 @@ public R(int a, int b)
 }
 ";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = GenericAnalyzerTest.ReferenceAssembliesNet50,
                 TestCode = testCode,
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/OrderingRules/SA1200CSharp9OutsideNamespaceUnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/OrderingRules/SA1200CSharp9OutsideNamespaceUnitTests.cs
index f35d5c329..5c778f5e2 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/OrderingRules/SA1200CSharp9OutsideNamespaceUnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/OrderingRules/SA1200CSharp9OutsideNamespaceUnitTests.cs
@@ -8,7 +8,6 @@ namespace StyleCop.Analyzers.Test.CSharp9.OrderingRules
     using System.Threading;
     using System.Threading.Tasks;
     using Microsoft.CodeAnalysis;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp8.OrderingRules;
     using Xunit;
@@ -33,7 +32,7 @@ public async Task TestValidUsingStatementsInTopLevelProgramAsync()
 return 0;
 ";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.Net.Net50,
                 TestState =
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/OrderingRules/SA1200CSharp9PreserveUnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/OrderingRules/SA1200CSharp9PreserveUnitTests.cs
index d6b3d17ab..8acfb25de 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/OrderingRules/SA1200CSharp9PreserveUnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/OrderingRules/SA1200CSharp9PreserveUnitTests.cs
@@ -8,7 +8,6 @@ namespace StyleCop.Analyzers.Test.CSharp9.OrderingRules
     using System.Threading;
     using System.Threading.Tasks;
     using Microsoft.CodeAnalysis;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp8.OrderingRules;
     using Xunit;
@@ -33,7 +32,7 @@ public async Task TestValidUsingStatementsInTopLevelProgramAsync()
 return 0;
 ";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.Net.Net50,
                 TestState =
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/OrderingRules/SA1200CSharp9UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/OrderingRules/SA1200CSharp9UnitTests.cs
index 87cc07a46..eb81ab3bc 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/OrderingRules/SA1200CSharp9UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/OrderingRules/SA1200CSharp9UnitTests.cs
@@ -8,7 +8,6 @@ namespace StyleCop.Analyzers.Test.CSharp9.OrderingRules
     using System.Threading;
     using System.Threading.Tasks;
     using Microsoft.CodeAnalysis;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp8.OrderingRules;
     using Xunit;
@@ -33,7 +32,7 @@ public async Task TestValidUsingStatementsInTopLevelProgramAsync()
 return 0;
 ";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.Net.Net50,
                 TestState =
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/ReadabilityRules/SA1101CSharp9UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/ReadabilityRules/SA1101CSharp9UnitTests.cs
index 93d44988b..8e29d86dd 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/ReadabilityRules/SA1101CSharp9UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/ReadabilityRules/SA1101CSharp9UnitTests.cs
@@ -5,7 +5,6 @@ namespace StyleCop.Analyzers.Test.CSharp9.ReadabilityRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using StyleCop.Analyzers.Test.CSharp8.ReadabilityRules;
     using StyleCop.Analyzers.Test.Verifiers;
     using Xunit;
@@ -32,7 +31,7 @@ public A UpdateA(A value)
     }
 }";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = GenericAnalyzerTest.ReferenceAssembliesNet50,
                 TestCode = testCode,
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/ReadabilityRules/SA1106CSharp9UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/ReadabilityRules/SA1106CSharp9UnitTests.cs
index ff0953eae..ad65e7e6c 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/ReadabilityRules/SA1106CSharp9UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/ReadabilityRules/SA1106CSharp9UnitTests.cs
@@ -7,7 +7,6 @@ namespace StyleCop.Analyzers.Test.CSharp9.ReadabilityRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp8.ReadabilityRules;
     using Xunit;
@@ -23,7 +22,7 @@ public async Task TestNoDiagnosticForEmptyRecordDeclarationAsync()
         {
             var testCode = @"public record Result(int Value);";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.Net.Net50,
                 TestCode = testCode,
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/ReadabilityRules/SA1118CSharp9UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/ReadabilityRules/SA1118CSharp9UnitTests.cs
index 794c4d027..ded3a7f7b 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/ReadabilityRules/SA1118CSharp9UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/ReadabilityRules/SA1118CSharp9UnitTests.cs
@@ -7,7 +7,6 @@ namespace StyleCop.Analyzers.Test.CSharp9.ReadabilityRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp8.ReadabilityRules;
     using Xunit;
@@ -39,7 +38,7 @@ r with
     }
 }";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.Net.Net50,
                 TestCode = testCode,
@@ -71,7 +70,7 @@ r with
     }
 }";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.Net.Net50,
                 TestCode = testCode,
@@ -103,7 +102,7 @@ public void MyCallingFunction(int index, MyObject myObject)
         }
     }";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.Net.Net50,
                 TestCode = testCode,
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1000CSharp9UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1000CSharp9UnitTests.cs
index 948c0129a..37485b907 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1000CSharp9UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1000CSharp9UnitTests.cs
@@ -6,7 +6,6 @@
 namespace StyleCop.Analyzers.Test.CSharp9.SpacingRules
 {
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp8.SpacingRules;
     using Xunit;
@@ -18,7 +17,7 @@ public async Task TestTargetTypedNewAsync()
         {
             string statementWithoutSpace = "int a = new();";
 
-            await this.TestKeywordStatementAsync(statementWithoutSpace, DiagnosticResult.EmptyDiagnosticResults, statementWithoutSpace, languageVersion: LanguageVersion.CSharp9).ConfigureAwait(false);
+            await this.TestKeywordStatementAsync(statementWithoutSpace, DiagnosticResult.EmptyDiagnosticResults, statementWithoutSpace).ConfigureAwait(false);
         }
     }
 }
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1008CSharp9UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1008CSharp9UnitTests.cs
index 038c0d056..76cbe2dd1 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1008CSharp9UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1008CSharp9UnitTests.cs
@@ -7,7 +7,6 @@ namespace StyleCop.Analyzers.Test.CSharp9.SpacingRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp8.SpacingRules;
     using Xunit;
@@ -43,7 +42,7 @@ void Method(int b)
     }
 }";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.Net.Net50,
                 ExpectedDiagnostics =
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1009CSharp9UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1009CSharp9UnitTests.cs
index 64b6800a7..2649408d7 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1009CSharp9UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1009CSharp9UnitTests.cs
@@ -7,7 +7,6 @@ namespace StyleCop.Analyzers.Test.CSharp9.SpacingRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp8.SpacingRules;
     using Xunit;
@@ -33,7 +32,7 @@ public record MyQuery1() : BaseQuery<object>;
 public record MyQuery2() : BaseQuery<object>;
 public record MyQuery3() : BaseQuery<object>;";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.Net.Net50,
                 ExpectedDiagnostics =
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1023CSharp9UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1023CSharp9UnitTests.cs
index b872ec71f..3acea4d49 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1023CSharp9UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1023CSharp9UnitTests.cs
@@ -7,8 +7,6 @@ namespace StyleCop.Analyzers.Test.CSharp9.SpacingRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
-    using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp8.SpacingRules;
     using StyleCop.Analyzers.Test.Verifiers;
     using Xunit;
@@ -42,7 +40,7 @@ public async Task TestFunctionPointerParameterInvalidSpacingAsync()
                 Diagnostic(DescriptorNotFollowed).WithLocation(1),
             };
 
-            await VerifyCSharpFixAsync(LanguageVersion.CSharp9, testCode, expected, fixedCode, CancellationToken.None).ConfigureAwait(false);
+            await VerifyCSharpFixAsync(testCode, expected, fixedCode, CancellationToken.None).ConfigureAwait(false);
         }
 
         [Fact]
@@ -70,7 +68,7 @@ public async Task TestFunctionPointerTypeInvalidSpacingAsync()
 }
 ";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = GenericAnalyzerTest.ReferenceAssembliesNet50,
                 TestCode = testCode,
diff --git a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1024CSharp9UnitTests.cs b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1024CSharp9UnitTests.cs
index 46b27d434..2f328bd67 100644
--- a/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1024CSharp9UnitTests.cs
+++ b/StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/SpacingRules/SA1024CSharp9UnitTests.cs
@@ -7,7 +7,6 @@ namespace StyleCop.Analyzers.Test.CSharp9.SpacingRules
 {
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.CodeAnalysis.CSharp;
     using Microsoft.CodeAnalysis.Testing;
     using StyleCop.Analyzers.Test.CSharp8.SpacingRules;
     using Xunit;
@@ -33,7 +32,7 @@ public record MyQuery1() : BaseQuery<object>;
 public record MyQuery2() : BaseQuery<object>;
 public record MyQuery3() : BaseQuery<object>;";
 
-            await new CSharpTest(LanguageVersion.CSharp9)
+            await new CSharpTest()
             {
                 ReferenceAssemblies = ReferenceAssemblies.Net.Net50,
                 ExpectedDiagnostics =