diff --git a/src/Privatezilla/Privatezilla/Settings/Security/WindowsDRM.cs b/src/Privatezilla/Privatezilla/Settings/Security/WindowsDRM.cs
deleted file mode 100644
index f1a8837..0000000
--- a/src/Privatezilla/Privatezilla/Settings/Security/WindowsDRM.cs
+++ /dev/null
@@ -1,55 +0,0 @@
-using Microsoft.Win32;
-
-namespace Privatezilla.Setting.Security
-{
-    internal class WindowsDRM : SettingBase
-    {
-        private const string DRMKey = @"HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\WMDRM";
-        private const int DesiredValue = 1;
-
-        public override string ID()
-        {
-            return Properties.Resources.settingsSecurityWindowsDRM;
-        }
-
-        public override string Info()
-        {
-            return Properties.Resources.settingsSecurityWindowsDRMInfo;
-        }
-
-        public override bool CheckSetting()
-        {
-            return !(
-        RegistryHelper.IntEquals(DRMKey, "DisableOnline", DesiredValue)
-             );
-
-        }
-
-        public override bool DoSetting()
-        {
-            try
-            {
-                Registry.SetValue(DRMKey, "DisableOnline", DesiredValue, RegistryValueKind.DWord);
-                return true;
-            }
-            catch
-            { }
-
-            return false;
-        }
-
-        public override bool UndoSetting()
-        {
-            try
-            {
-                Registry.SetValue(DRMKey, "DisableOnline", 0, RegistryValueKind.DWord);
-                return true;
-            }
-            catch
-            { }
-
-            return false;
-        }
-
-    }
-}
\ No newline at end of file