diff --git a/TGServiceInterface/Interface.cs b/TGServiceInterface/Interface.cs
index d788499b0f..954b4cc064 100644
--- a/TGServiceInterface/Interface.cs
+++ b/TGServiceInterface/Interface.cs
@@ -14,7 +14,7 @@ namespace TGServiceInterface
///
/// Main inteface class for the service
///
- public class Interface : IDisposable
+ sealed public class Interface : IDisposable
{
///
/// List of s that can be used with and
@@ -319,7 +319,7 @@ namespace TGServiceInterface
/// Implements the pattern. Calls
///
/// if was called manually, if it was from the finalizer
- protected virtual void Dispose(bool disposing)
+ void Dispose(bool disposing)
{
if (!disposedValue)
{