diff --git a/src/libraries/Common/tests/System.Xml.XPath/TestsWithEncoding/MiscWithEncodings.cs b/src/libraries/Common/tests/System.Xml.XPath/TestsWithEncoding/MiscWithEncodings.cs
index 980261edf8082940de20e7be7b83e8502e4a9461..1c512515c8d6887a1eab74be3f55f09d14f71a37 100644
--- a/src/libraries/Common/tests/System.Xml.XPath/TestsWithEncoding/MiscWithEncodings.cs
+++ b/src/libraries/Common/tests/System.Xml.XPath/TestsWithEncoding/MiscWithEncodings.cs
@@ -17,8 +17,7 @@ public static partial class MiscWithEncodingTests
     {
         public static void TestInitialize()
         {
-            //This will work on Desktop although we need System.Text.Encoding.CodePages to make this work on CoreCLR
-            //Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
+            Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
         }
 
         /// <summary>