diff --git a/NSspi/Credentials/CredentialPackage.cs b/NSspi/Credentials/CredentialPackage.cs
deleted file mode 100644
index 1221bb8..0000000
--- a/NSspi/Credentials/CredentialPackage.cs
+++ /dev/null
@@ -1,15 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace NSspi.Credentials
-{
-    public enum SecurityPackage
-    {
-        Negotiate = 0,
-        Kerberos = 1,
-        NTLM = 2
-    }
-}
diff --git a/NSspi/NSspi.csproj b/NSspi/NSspi.csproj
index 460ccfe..c4c263e 100644
--- a/NSspi/NSspi.csproj
+++ b/NSspi/NSspi.csproj
@@ -62,7 +62,6 @@
     <Compile Include="Credentials\ClientCredential.cs" />
     <Compile Include="Credentials\Credential.cs" />
     <Compile Include="Credentials\CredentialNativeMethods.cs" />
-    <Compile Include="Credentials\CredentialPackage.cs" />
     <Compile Include="Credentials\CredentialQueryAttrib.cs" />
     <Compile Include="Credentials\CredentialUse.cs" />
     <Compile Include="Credentials\QueryNameSupport.cs" />