diff --git a/Ink Canvas/Helpers/COMPPTManager.cs b/Ink Canvas/Helpers/COMPPTManager.cs
deleted file mode 100644
index 44eaf96e..00000000
--- a/Ink Canvas/Helpers/COMPPTManager.cs
+++ /dev/null
@@ -1,1256 +0,0 @@
-using Microsoft.Office.Interop.PowerPoint;
-using System;
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-using System.Threading;
-using System.Timers;
-using System.Windows.Threading;
-using Application = System.Windows.Application;
-using Timer = System.Timers.Timer;
-
-namespace Ink_Canvas.Helpers
-{
- ///
- /// 基于 COM 的 PPT 联动管理器
- ///
- public class ComPPTManager : IPPTLinkManager
- {
- #region Events
- public event Action