2 files changed, 4 insertions, 0 deletions
diff --git a/src/framework/Internal/RuntimeFramework.cs b/src/framework/Internal/RuntimeFramework.cs
index a34c390..abf2150 100755
--- a/src/framework/Internal/RuntimeFramework.cs
+++ b/src/framework/Internal/RuntimeFramework.cs
@@ -181,6 +181,7 @@ namespace NUnit.Framework.Internal
 					else /* It's windows */
 					if (major == 2)
                     {
+#if !XAMMAC
                         RegistryKey key = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\.NETFramework");
                         if (key != null)
                         {
@@ -199,6 +200,7 @@ namespace NUnit.Framework.Internal
                                 }
                             }
                         }
+#endif
                     }
 
                     currentFramework = new RuntimeFramework(runtime, new Version(major, minor));
diff --git a/src/framework/Internal/TestExecutionContext.cs b/src/framework/Internal/TestExecutionContext.cs
index 340b4f2..d7e7bb6 100755
--- a/src/framework/Internal/TestExecutionContext.cs
+++ b/src/framework/Internal/TestExecutionContext.cs
@@ -481,7 +481,9 @@ namespace NUnit.Framework.Internal
 
 		private void StartTracing()
 		{
+#if !XAMMAC
 			System.Diagnostics.Trace.Listeners.Add( new TextWriterTraceListener( traceWriter, "NUnit" ) );
+#endif
 		}
 #endif