diff --git a/mcs/build/profiles/xammac_net_4_5.make b/mcs/build/profiles/xammac_net_4_5.make
index c88cbae4e15b..6c5c9efc7735 100644
--- a/mcs/build/profiles/xammac_net_4_5.make
+++ b/mcs/build/profiles/xammac_net_4_5.make
@@ -24,3 +24,5 @@ PROFILE_DISABLE_BTLS=1
 MONO_FEATURE_APPLETLS=1
 ONLY_APPLETLS=1
 ENABLE_GSS=1
+
+SOCKETSHTTPHANDLER=
diff --git a/mcs/class/System.Net.Http.WebRequest/System.Net.Http.WebRequest.csproj b/mcs/class/System.Net.Http.WebRequest/System.Net.Http.WebRequest.csproj
index 45990a9e1cd4..1a2726cf229a 100644
--- a/mcs/class/System.Net.Http.WebRequest/System.Net.Http.WebRequest.csproj
+++ b/mcs/class/System.Net.Http.WebRequest/System.Net.Http.WebRequest.csproj
@@ -33,7 +33,7 @@
   <PropertyGroup Condition=" '$(Platform)' == 'xammac_net_4_5' ">
     <OutputPath>./../../class/lib/xammac_net_4_5</OutputPath>
     <IntermediateOutputPath>./../../class/obj/$(AssemblyName)-xammac_net_4_5</IntermediateOutputPath>
-    <DefineConstants>NET_4_0;NET_4_5;NET_4_6;MONO;FEATURE_INTERCEPTABLE_THREADPOOL_CALLBACK;NO_SYSTEM_DRAWING_DEPENDENCY;NO_WINFORMS_DEPENDENCY;NO_SYSTEM_WEB_DEPENDENCY;XAMMAC_4_5;XAMARIN_MODERN</DefineConstants>
+    <DefineConstants>NET_4_0;NET_4_5;NET_4_6;MONO;FEATURE_INTERCEPTABLE_THREADPOOL_CALLBACK;NO_SYSTEM_DRAWING_DEPENDENCY;NO_WINFORMS_DEPENDENCY;NO_SYSTEM_WEB_DEPENDENCY;XAMMAC_4_5;XAMARIN_MODERN;LEGACY_HTTPCLIENT</DefineConstants>
   </PropertyGroup>
   <!-- @ALL_PROFILE_PROPERTIES@ -->
   <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
diff --git a/mcs/class/System.Net.Http/System.Net.Http.csproj b/mcs/class/System.Net.Http/System.Net.Http.csproj
index 8c9cdd8f3915..68b26c402a25 100644
--- a/mcs/class/System.Net.Http/System.Net.Http.csproj
+++ b/mcs/class/System.Net.Http/System.Net.Http.csproj
@@ -79,7 +79,7 @@
   <PropertyGroup Condition=" '$(Platform)' == 'xammac_net_4_5' ">
     <OutputPath>./../../class/lib/xammac_net_4_5</OutputPath>
     <IntermediateOutputPath>./../../class/obj/$(AssemblyName)-xammac_net_4_5</IntermediateOutputPath>
-    <DefineConstants>NET_4_0;NET_4_5;NET_4_6;MONO;FEATURE_INTERCEPTABLE_THREADPOOL_CALLBACK;NO_SYSTEM_DRAWING_DEPENDENCY;NO_WINFORMS_DEPENDENCY;NO_SYSTEM_WEB_DEPENDENCY;XAMMAC_4_5;XAMARIN_MODERN;XAMARIN_MODERN</DefineConstants>
+    <DefineConstants>NET_4_0;NET_4_5;NET_4_6;MONO;FEATURE_INTERCEPTABLE_THREADPOOL_CALLBACK;NO_SYSTEM_DRAWING_DEPENDENCY;NO_WINFORMS_DEPENDENCY;NO_SYSTEM_WEB_DEPENDENCY;XAMMAC_4_5;XAMARIN_MODERN;XAMARIN_MODERN;LEGACY_HTTPCLIENT</DefineConstants>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Platform)' == 'orbis' ">
     <OutputPath>./../../class/lib/orbis</OutputPath>