diff --git a/mRemoteV1/Security/IHasKey.cs b/mRemoteV1/Security/IHasKey.cs
deleted file mode 100644
index 993ebe6ee..000000000
--- a/mRemoteV1/Security/IHasKey.cs
+++ /dev/null
@@ -1,9 +0,0 @@
-using System.Security;
-
-namespace mRemoteNG.Security
-{
-    public interface IHasKey
-    {
-        SecureString Key { get; set; }
-    }
-}
\ No newline at end of file
diff --git a/mRemoteV1/mRemoteV1.csproj b/mRemoteV1/mRemoteV1.csproj
index 8bb389d57..566ff18d1 100644
--- a/mRemoteV1/mRemoteV1.csproj
+++ b/mRemoteV1/mRemoteV1.csproj
@@ -231,7 +231,6 @@
     <Compile Include="Security\Factories\CryptoProviderFactoryFromSettings.cs" />
     <Compile Include="Security\Factories\LegacyInsecureCryptoProviderFactory.cs" />
     <Compile Include="Security\ICryptoProviderFactory.cs" />
-    <Compile Include="Security\IHasKey.cs" />
     <Compile Include="Security\IKeyProvider.cs" />
     <Compile Include="Security\RandomGenerator.cs" />
     <Compile Include="Tools\CustomCollections\IFullyNotifiableList.cs" />