diff --git a/Src/Newtonsoft.Json.Tests/JsonTextReaderTests/ExceptionHandlingAsyncTests.cs b/Src/Newtonsoft.Json.Tests/JsonTextReaderTests/ExceptionHandlingAsyncTests.cs
index 43a1e9fc..5a6b1123 100644
--- a/Src/Newtonsoft.Json.Tests/JsonTextReaderTests/ExceptionHandlingAsyncTests.cs
+++ b/Src/Newtonsoft.Json.Tests/JsonTextReaderTests/ExceptionHandlingAsyncTests.cs
@@ -108,6 +108,7 @@ namespace Newtonsoft.Json.Tests.JsonTextReaderTests
                 "After parsing a value an unexpected character was encountered: '. Path '[0]', line 1, position 24.");
         }
 
+#if !NET20
         [Test]
         public async Task ReadAsDateTimeOffset_MissingCommaAsync()
         {
@@ -121,6 +122,7 @@ namespace Newtonsoft.Json.Tests.JsonTextReaderTests
                 () => reader.ReadAsDateTimeOffsetAsync(),
                 "After parsing a value an unexpected character was encountered: '. Path '[0]', line 1, position 24.");
         }
+#endif
 
         [Test]
         public async Task ReadAsString_MissingCommaAsync()
diff --git a/Src/Newtonsoft.Json.Tests/JsonTextReaderTests/ExceptionHandlingTests.cs b/Src/Newtonsoft.Json.Tests/JsonTextReaderTests/ExceptionHandlingTests.cs
index 4254e90b..6b30199a 100644
--- a/Src/Newtonsoft.Json.Tests/JsonTextReaderTests/ExceptionHandlingTests.cs
+++ b/Src/Newtonsoft.Json.Tests/JsonTextReaderTests/ExceptionHandlingTests.cs
@@ -119,6 +119,7 @@ namespace Newtonsoft.Json.Tests.JsonTextReaderTests
                 "After parsing a value an unexpected character was encountered: '. Path '[0]', line 1, position 24.");
         }
 
+#if !NET20
         [Test]
         public void ReadAsDateTimeOffset_MissingComma()
         {
@@ -132,6 +133,7 @@ namespace Newtonsoft.Json.Tests.JsonTextReaderTests
                 () => reader.ReadAsDateTimeOffset(),
                 "After parsing a value an unexpected character was encountered: '. Path '[0]', line 1, position 24.");
         }
+#endif
 
         [Test]
         public void ReadAsString_MissingComma()