diff --git a/src/Adapter/MSTest.TestAdapter/DynamicDataOperations.cs b/src/Adapter/MSTest.TestAdapter/DynamicDataOperations.cs
index c33c1f1b7d..68775df2ab 100644
--- a/src/Adapter/MSTest.TestAdapter/DynamicDataOperations.cs
+++ b/src/Adapter/MSTest.TestAdapter/DynamicDataOperations.cs
@@ -203,7 +203,7 @@ private static bool TryHandleTupleDataSource(object data, List<object[]> objects
 #else
         Type type = data.GetType();
         if (IsTupleOrValueTuple(data.GetType(), out int tupleSize)
-            && (objects.Count == 0 || objects[objects.Count - 1].Length == tupleSize))
+            && (objects.Count == 0 || objects[^1].Length == tupleSize))
         {
             object[] array = new object[tupleSize];
             for (int i = 0; i < tupleSize; i++)
diff --git a/src/Adapter/MSTest.TestAdapter/Execution/TestClassInfo.cs b/src/Adapter/MSTest.TestAdapter/Execution/TestClassInfo.cs
index 7fb4dd3131..9b925163bb 100644
--- a/src/Adapter/MSTest.TestAdapter/Execution/TestClassInfo.cs
+++ b/src/Adapter/MSTest.TestAdapter/Execution/TestClassInfo.cs
@@ -721,9 +721,7 @@ void DoRun()
             {
                 if (results.Length > 0)
                 {
-#pragma warning disable IDE0056 // Use index operator
-                    UnitTestResult lastResult = results[results.Length - 1];
-#pragma warning restore IDE0056 // Use index operator
+                    UnitTestResult lastResult = results[^1];
                     lastResult.Outcome = ObjectModelUnitTestOutcome.Error;
                     lastResult.ErrorMessage = ex.Message;
                     lastResult.ErrorStackTrace = ex.StackTrace;
@@ -733,9 +731,7 @@ void DoRun()
             {
                 if (results.Length > 0)
                 {
-#pragma warning disable IDE0056 // Use index operator
-                    UnitTestResult lastResult = results[results.Length - 1];
-#pragma warning restore IDE0056 // Use index operator
+                    UnitTestResult lastResult = results[^1];
                     lastResult.StandardOut += initializationLogs;
                     lastResult.StandardError += initializationErrorLogs;
                     lastResult.DebugTrace += initializationTrace;
diff --git a/src/Adapter/MSTest.TestAdapter/Execution/TestMethodRunner.cs b/src/Adapter/MSTest.TestAdapter/Execution/TestMethodRunner.cs
index 017f45b100..f7014db3ed 100644
--- a/src/Adapter/MSTest.TestAdapter/Execution/TestMethodRunner.cs
+++ b/src/Adapter/MSTest.TestAdapter/Execution/TestMethodRunner.cs
@@ -130,16 +130,14 @@ UnitTestResult[] SafeRunTestMethod(string initializationLogs, string initializat
                     result = [new()];
                 }
 
-#pragma warning disable IDE0056 // Use index operator
-                result[result.Length - 1] = new UnitTestResult(new TestFailedException(UnitTestOutcome.Error, ex.TryGetMessage(), ex.TryGetStackTraceInformation()))
+                result[^1] = new UnitTestResult(new TestFailedException(UnitTestOutcome.Error, ex.TryGetMessage(), ex.TryGetStackTraceInformation()))
                 {
-                    StandardOut = result[result.Length - 1].StandardOut,
-                    StandardError = result[result.Length - 1].StandardError,
-                    DebugTrace = result[result.Length - 1].DebugTrace,
-                    TestContextMessages = result[result.Length - 1].TestContextMessages,
-                    Duration = result[result.Length - 1].Duration,
+                    StandardOut = result[^1].StandardOut,
+                    StandardError = result[^1].StandardError,
+                    DebugTrace = result[^1].DebugTrace,
+                    TestContextMessages = result[^1].TestContextMessages,
+                    Duration = result[^1].Duration,
                 };
-#pragma warning restore IDE0056 // Use index operator
             }
             finally
             {
diff --git a/src/Adapter/MSTest.TestAdapter/Execution/UnitTestRunner.cs b/src/Adapter/MSTest.TestAdapter/Execution/UnitTestRunner.cs
index 8f706dd7a8..64cfeb287e 100644
--- a/src/Adapter/MSTest.TestAdapter/Execution/UnitTestRunner.cs
+++ b/src/Adapter/MSTest.TestAdapter/Execution/UnitTestRunner.cs
@@ -281,9 +281,7 @@ private static void RunAssemblyCleanupIfNeeded(ITestContext testContext, ClassCl
         {
             if (results.Length > 0)
             {
-#pragma warning disable IDE0056 // Use index operator
-                UnitTestResult lastResult = results[results.Length - 1];
-#pragma warning restore IDE0056 // Use index operator
+                UnitTestResult lastResult = results[^1];
                 lastResult.Outcome = UnitTestOutcome.Error;
                 lastResult.ErrorMessage = ex.Message;
                 lastResult.ErrorStackTrace = ex.StackTrace;
@@ -293,9 +291,7 @@ private static void RunAssemblyCleanupIfNeeded(ITestContext testContext, ClassCl
         {
             if (results.Length > 0)
             {
-#pragma warning disable IDE0056 // Use index operator
-                UnitTestResult lastResult = results[results.Length - 1];
-#pragma warning restore IDE0056 // Use index operator
+                UnitTestResult lastResult = results[^1];
                 lastResult.StandardOut += initializationLogs;
                 lastResult.StandardError += initializationErrorLogs;
                 lastResult.DebugTrace += initializationTrace;
diff --git a/src/Analyzers/MSTest.Analyzers/RoslynAnalyzerHelpers/ArrayBuilder.cs b/src/Analyzers/MSTest.Analyzers/RoslynAnalyzerHelpers/ArrayBuilder.cs
index 81c3fb5952..65092a8b7f 100644
--- a/src/Analyzers/MSTest.Analyzers/RoslynAnalyzerHelpers/ArrayBuilder.cs
+++ b/src/Analyzers/MSTest.Analyzers/RoslynAnalyzerHelpers/ArrayBuilder.cs
@@ -152,10 +152,7 @@ public void Sort(Comparison<T> compare)
 
     public void CopyTo(T[] array, int start) => _builder.CopyTo(array, start);
 
-    public T Last() =>
-#pragma warning disable IDE0056
-        _builder[_builder.Count - 1];
-#pragma warning restore IDE0056
+    public T Last() => _builder[^1];
 
     public T First() => _builder[0];