diff --git a/v2rayN/AmazTool/Utils.cs b/v2rayN/AmazTool/Utils.cs
index 1d9fdb33..df13ecf6 100644
--- a/v2rayN/AmazTool/Utils.cs
+++ b/v2rayN/AmazTool/Utils.cs
@@ -1,7 +1,4 @@
-using System;
 using System.Diagnostics;
-using System.IO;
-using System.Threading;
 
 namespace AmazTool;
 
@@ -51,31 +48,4 @@ internal class Utils
             Thread.Sleep(1000);
         }
     }
-
-    public static bool IsPackagedInstall()
-    {
-        try
-        {
-            if (OperatingSystem.IsWindows() || OperatingSystem.IsMacOS())
-                return false;
-
-            if (!string.IsNullOrEmpty(Environment.GetEnvironmentVariable("APPIMAGE")))
-                return true;
-
-            var sp = StartupPath()?.Replace('\\', '/');
-            if (!string.IsNullOrEmpty(sp) && sp.StartsWith("/opt/v2rayN", StringComparison.Ordinal))
-                return true;
-
-            var procPath = Environment.ProcessPath;
-            var procDir = string.IsNullOrEmpty(procPath)
-                ? ""
-                : Path.GetDirectoryName(procPath)?.Replace('\\', '/');
-            if (!string.IsNullOrEmpty(procDir) && procDir.StartsWith("/opt/v2rayN", StringComparison.Ordinal))
-                return true;
-        }
-        catch
-        {
-        }
-        return false;
-    }
 }