diff --git a/src/Infrastructure/BotSharp.Core/Files/BotSharpFileService.Conversation.cs b/src/Infrastructure/BotSharp.Core/Files/BotSharpFileService.Conversation.cs
index 92f4107e..76eda14d 100644
--- a/src/Infrastructure/BotSharp.Core/Files/BotSharpFileService.Conversation.cs
+++ b/src/Infrastructure/BotSharp.Core/Files/BotSharpFileService.Conversation.cs
@@ -1,4 +1,3 @@
-using Amazon.Runtime.Internal.Auth;
 using BotSharp.Abstraction.Browsing;
 using BotSharp.Abstraction.Browsing.Models;
 using Microsoft.EntityFrameworkCore;