diff --git a/src/Core/ApiClientCodeGen.Core/Generators/AutoRest/AutoRestArgumentProvider.cs b/src/Core/ApiClientCodeGen.Core/Generators/AutoRest/AutoRestArgumentProvider.cs
index a5d8fbfcfb..9f380a4e24 100644
--- a/src/Core/ApiClientCodeGen.Core/Generators/AutoRest/AutoRestArgumentProvider.cs
+++ b/src/Core/ApiClientCodeGen.Core/Generators/AutoRest/AutoRestArgumentProvider.cs
@@ -38,7 +38,7 @@ public string GetLegacyArguments(
         {
             return AppendCommonArguments(
                 swaggerFile,
-                "--version=2.0.4417 --csharp " +
+                "--csharp " +
                 $"--input-file=\"{swaggerFile}\" " +
                 $"--output-file=\"{outputFile}\" " +
                 $"--namespace=\"{defaultNamespace}\" ");
@@ -74,4 +74,4 @@ private string AppendCommonArguments(
             return arguments;
         }
     }
-}
\ No newline at end of file
+}