diff --git a/Ink Canvas/Helpers/PPTManager.cs b/Ink Canvas/Helpers/PPTManager.cs
index 5d63da6b..e7a6dbda 100644
--- a/Ink Canvas/Helpers/PPTManager.cs	
+++ b/Ink Canvas/Helpers/PPTManager.cs	
@@ -305,20 +305,6 @@ namespace Ink_Canvas.Helpers
             }
         }
 
-        private Microsoft.Office.Interop.PowerPoint.Application TryConnectToPowerPointViaROT()
-        {
-            try
-            {
-                var pptApp = PPTROTConnectionHelper.TryConnectViaROT(IsSupportWPS);
-                return pptApp;
-            }
-            catch (Exception ex)
-            {
-                LogHelper.WriteLogToFile($"ROT 备用方法连接异常: {ex}", LogHelper.LogType.Error);
-                return null;
-            }
-        }
-
         private Microsoft.Office.Interop.PowerPoint.Application TryConnectToWPS()
         {
             try
@@ -346,20 +332,6 @@ namespace Ink_Canvas.Helpers
             }
         }
 
-        private Microsoft.Office.Interop.PowerPoint.Application TryConnectToWPSViaROT()
-        {
-            try
-            {
-                var wpsApp = PPTROTConnectionHelper.TryConnectViaROT(true);
-                return wpsApp;
-            }
-            catch (Exception ex)
-            {
-                LogHelper.WriteLogToFile($"ROT 备用方法连接 WPS 异常: {ex}", LogHelper.LogType.Error);
-                return null;
-            }
-        }
-
         private void ConnectToPPT(Microsoft.Office.Interop.PowerPoint.Application pptApp)
         {
             try