diff --git a/mRemoteV1/Security/Security.Impersonator.cs b/mRemoteV1/Security/Security.Impersonator.cs
deleted file mode 100644
index 6f27992a..00000000
--- a/mRemoteV1/Security/Security.Impersonator.cs
+++ /dev/null
@@ -1,112 +0,0 @@
-using System;
-using System.Runtime.InteropServices;
-using System.Security.Principal;
-using System.Security.Permissions;
-using System.Text.RegularExpressions;
-using mRemoteNG.App;
-
-
-namespace mRemoteNG.Security
-{
-	public class Impersonator
-	{
-        #region Logon API
-		private const int LOGON32_PROVIDER_DEFAULT = 0;
-		private const int LOGON32_LOGON_NEW_CREDENTIALS = 9;
-			
-		private const int SecurityImpersonation = 2;
-			
-		[DllImport("advapi32.dll", ExactSpelling=true, CharSet=CharSet.Auto, SetLastError=true)]
-		private static extern int LogonUser(string lpszUsername, string lpszDomain, string lpszPassword, int dwLogonType, int dwLogonProvider, ref IntPtr phToken);
-			
-		private const int FORMAT_MESSAGE_ALLOCATE_BUFFER = 0x100;
-		private const int FORMAT_MESSAGE_IGNORE_INSERTS = 0x200;
-		private const int FORMAT_MESSAGE_FROM_SYSTEM = 0x1000;
-			
-		[DllImport("kernel32.dll")]private static  extern int FormatMessage(int dwFlags, ref IntPtr lpSource, int dwMessageId, int dwLanguageId, ref string lpBuffer, int nSize, ref IntPtr Arguments);
-			
-		[DllImport("kernel32.dll", ExactSpelling=true, CharSet=CharSet.Auto, SetLastError=true)]
-		private static extern bool CloseHandle(IntPtr handle);
-			
-		[DllImport("advapi32.dll", ExactSpelling=true, CharSet=CharSet.Auto, SetLastError=true)]
-		private static extern int DuplicateToken(IntPtr ExistingTokenHandle, int SECURITY_IMPERSONATION_LEVEL, ref IntPtr DuplicateTokenHandle);
-        #endregion
-			
-		private IntPtr tokenHandle = new IntPtr(0);
-		private WindowsImpersonationContext impersonatedUser = null;
-			
-		// GetErrorMessage formats and returns an error message corresponding to the input errorCode.
-		private string GetErrorMessage(int errorCode)
-		{
-			int messageSize = 255;
-		    string lpMsgBuf = "";
-
-            int dwFlags = FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS;
-				
-			IntPtr ptrlpSource = IntPtr.Zero;
-			IntPtr prtArguments = IntPtr.Zero;
-				
-			int retVal = FormatMessage(dwFlags, ref ptrlpSource, errorCode, 0, ref lpMsgBuf, messageSize, ref prtArguments);
-		    lpMsgBuf = Regex.Replace(lpMsgBuf, @"\r\n|\n|\r", " ");
-            return lpMsgBuf;
-		}
-			
-		[PermissionSetAttribute(SecurityAction.Demand, Name = "FullTrust")]public void StartImpersonation(string DomainName, string UserName, string Password)
-		{
-			try
-			{
-				if (impersonatedUser != null)
-				{
-					throw (new Exception("Already impersonating a user."));
-				}
-					
-				tokenHandle = IntPtr.Zero;
-					
-				int returnValue = Convert.ToInt32(LogonUser(UserName, DomainName, Password, LOGON32_LOGON_NEW_CREDENTIALS, LOGON32_PROVIDER_DEFAULT, ref tokenHandle));
-					
-				if (0 == returnValue)
-				{
-					int errCode = Marshal.GetLastWin32Error();
-					string errMsg = "LogonUser failed with error code: " + errCode.ToString() + "(" + GetErrorMessage(errCode) + ")";
-					ApplicationException exLogon = new ApplicationException(errMsg);
-					throw (exLogon);
-				}
-					
-				WindowsIdentity newId = new WindowsIdentity(tokenHandle);
-				impersonatedUser = newId.Impersonate();
-			}
-			catch (Exception ex)
-			{
-				Runtime.MessageCollector.AddMessage(Messages.MessageClass.WarningMsg, "Starting Impersonation failed (Sessions feature will not work)" + Environment.NewLine + ex.Message, true);
-			}
-		}
-			
-		[PermissionSetAttribute(SecurityAction.Demand, Name = "FullTrust")]public void StopImpersonation()
-		{
-			if (impersonatedUser == null)
-			{
-				return;
-			}
-				
-			try
-			{
-				impersonatedUser.Undo(); // Stop impersonating the user.
-			}
-			catch (Exception ex)
-			{
-				Runtime.MessageCollector.AddMessage(Messages.MessageClass.WarningMsg, "Stopping Impersonation failed" + Environment.NewLine + ex.Message, true);
-				throw;
-			}
-			finally
-			{
-					
-				if (!System.IntPtr.Equals(tokenHandle, IntPtr.Zero))
-				{
-					CloseHandle(tokenHandle);
-				}
-					
-				impersonatedUser = null;
-			}
-		}
-	}
-}
diff --git a/mRemoteV1/mRemoteV1.csproj b/mRemoteV1/mRemoteV1.csproj
index 1cc36857..0eb726c5 100644
--- a/mRemoteV1/mRemoteV1.csproj
+++ b/mRemoteV1/mRemoteV1.csproj
@@ -377,7 +377,6 @@
       <DependentUpon>Settings.settings</DependentUpon>
     </Compile>
     <Compile Include="Tree\Root\RootNodeInfo.cs" />
-    <Compile Include="Security\Security.Impersonator.cs" />
     <Compile Include="Security\SaveFilter.cs" />
     <Compile Include="Tools\IeBrowserEmulation.cs" />
     <Compile Include="Tools\ProcessController.cs" />