diff --git a/TUnit.Core/Attributes/TestData/MatrixDataSourceAttribute.cs b/TUnit.Core/Attributes/TestData/MatrixDataSourceAttribute.cs
index 503c90f249..187cc03604 100644
--- a/TUnit.Core/Attributes/TestData/MatrixDataSourceAttribute.cs
+++ b/TUnit.Core/Attributes/TestData/MatrixDataSourceAttribute.cs
@@ -206,12 +206,8 @@ private bool IsExcluded(object?[] exclusion, object?[] rowArray)
 
         if (resolvedType.IsEnum)
         {
-#if NET5_0_OR_GREATER
             var enumValues = Enum.GetValuesAsUnderlyingType(resolvedType)
                                  .Cast<object?>();
-#else
-            var enumValues = Enum.GetValues(resolvedType).Cast<object?>();
-#endif
 
             if (isNullable)
             {