1 files changed, 1 insertions, 20 deletions
diff --git a/src/mscorlib/src/System/OperatingSystem.cs b/src/mscorlib/src/System/OperatingSystem.cs
index a11d4bcce8..a388fc6e33 100644
--- a/src/mscorlib/src/System/OperatingSystem.cs
+++ b/src/mscorlib/src/System/OperatingSystem.cs
@@ -13,14 +13,12 @@
 namespace System {
     using System.Runtime.Serialization;
     using System.Globalization;
-    using System.Security.Permissions;
     using System.Runtime.InteropServices;
     using System.Diagnostics.Contracts;
 
 
-    [ComVisible(true)]
     [Serializable]
-    public sealed class OperatingSystem : ICloneable , ISerializable
+    internal sealed class OperatingSystem : ICloneable , ISerializable
     {
         private Version _version;
         private PlatformID _platform;
@@ -30,9 +28,6 @@ namespace System {
         private OperatingSystem()
         {
         }
-
-        public OperatingSystem(PlatformID platform, Version version) : this(platform, version, null) {
-        }
     
         internal OperatingSystem(PlatformID platform, Version version, string servicePack) {
             if( platform < PlatformID.Win32S || platform > PlatformID.MacOSX) {
@@ -82,20 +77,6 @@ namespace System {
             info.AddValue("_servicePack", _servicePack);
         }        
 
-        public PlatformID Platform {
-            get { return _platform; }
-        }
-        
-        public string ServicePack { 
-            get { 
-                if( _servicePack == null) {
-                    return string.Empty;
-                }
-
-                return _servicePack;
-            }
-        }    
-
         public Version Version {
             get { return _version; }
         }