diff --git a/src/System.Numerics.Vectors/tests/GenericVectorTests.netcoreapp.tt b/src/System.Numerics.Vectors/tests/GenericVectorTests.netcoreapp.tt
index 5b9529d2fc8c..3ed408209cfd 100644
--- a/src/System.Numerics.Vectors/tests/GenericVectorTests.netcoreapp.tt
+++ b/src/System.Numerics.Vectors/tests/GenericVectorTests.netcoreapp.tt
@@ -149,6 +149,12 @@ namespace System.Numerics.Tests
         #region Tests for constructors using unsupported types
 
 <#
+    Type[] unsupportedTypes = new[]
+    {
+        typeof(Guid), typeof(DateTime), typeof(char)
+    };
+
+
     foreach (var type in unsupportedTypes)
     {
 #>