From 8956b50f832ec0a0dc4aad6986c69f50f851d37e Mon Sep 17 00:00:00 2001
From: Bart De Smet <bartde@microsoft.com>
Date: Mon, 28 Sep 2020 20:35:20 -0700
Subject: [PATCH] Remove unused #defines for Ix.

---
 Ix.NET/Source/Directory.build.targets            |  4 ++--
 .../Diagnostics/StackTraceHiddenAttribute.cs     | 16 ----------------
 2 files changed, 2 insertions(+), 18 deletions(-)
 delete mode 100644 Ix.NET/Source/System.Linq.Async/System/Diagnostics/StackTraceHiddenAttribute.cs

diff --git a/Ix.NET/Source/Directory.build.targets b/Ix.NET/Source/Directory.build.targets
index 352bd7f7f4..c13d9c5a71 100644
--- a/Ix.NET/Source/Directory.build.targets
+++ b/Ix.NET/Source/Directory.build.targets
@@ -22,10 +22,10 @@
     <DefineConstants>$(DefineConstants);NO_ARRAY_EMPTY;NO_TASK_FROMEXCEPTION</DefineConstants>
   </PropertyGroup>
   <PropertyGroup Condition="'$(TargetFramework)' == 'net46' or '$(TargetFramework)' == 'net461'">
-    <DefineConstants>$(DefineConstants);USE_ASYNC_ITERATOR</DefineConstants>
+    <DefineConstants>$(DefineConstants)</DefineConstants>
   </PropertyGroup>
   <PropertyGroup Condition="'$(TargetFramework)' == 'netcoreapp3.0' or '$(TargetFramework)' == 'netstandard2.1' or '$(TargetFramework)' == 'netstandard2.0'">
-    <DefineConstants>$(DefineConstants);USE_ASYNC_ITERATOR;HAS_ASYNCENUMERABLE;HAS_ASYNCDISPOSABLE;BCL_HAS_CONFIGUREAWAIT;HAS_VALUETUPLE</DefineConstants>
+    <DefineConstants>$(DefineConstants);HAS_VALUETUPLE</DefineConstants>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/Ix.NET/Source/System.Linq.Async/System/Diagnostics/StackTraceHiddenAttribute.cs b/Ix.NET/Source/System.Linq.Async/System/Diagnostics/StackTraceHiddenAttribute.cs
deleted file mode 100644
index 13d20a6177..0000000000
--- a/Ix.NET/Source/System.Linq.Async/System/Diagnostics/StackTraceHiddenAttribute.cs
+++ /dev/null
@@ -1,16 +0,0 @@
-#if !BCL_HAS_CONFIGUREAWAIT
-
-using System;
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
-namespace System.Diagnostics
-{
-    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method | AttributeTargets.Constructor | AttributeTargets.Struct, Inherited = false)]
-    internal sealed class StackTraceHiddenAttribute : Attribute
-    {
-        public StackTraceHiddenAttribute() { }
-    }
-}
-#endif