diff --git a/src/Orchard.Web/Modules/Orchard.Email/Orchard.Email.csproj b/src/Orchard.Web/Modules/Orchard.Email/Orchard.Email.csproj
index 4db8f3b8f..283fb2db3 100644
--- a/src/Orchard.Web/Modules/Orchard.Email/Orchard.Email.csproj
+++ b/src/Orchard.Web/Modules/Orchard.Email/Orchard.Email.csproj
@@ -55,7 +55,7 @@
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration">
-      <Private>True</Private>
+      <Private>False</Private>
     </Reference>
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="System.Web.ApplicationServices" />
diff --git a/src/Orchard.Web/Modules/Orchard.Workflows/Orchard.Workflows.csproj b/src/Orchard.Web/Modules/Orchard.Workflows/Orchard.Workflows.csproj
index d18678887..23f1747a1 100644
--- a/src/Orchard.Web/Modules/Orchard.Workflows/Orchard.Workflows.csproj
+++ b/src/Orchard.Web/Modules/Orchard.Workflows/Orchard.Workflows.csproj
@@ -61,6 +61,7 @@
     <Reference Include="System.Net.Http, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\..\..\lib\aspnetwebapi\System.Net.Http.dll</HintPath>
+      <Private>False</Private>
     </Reference>
     <Reference Include="System.Web.ApplicationServices" />
     <Reference Include="System.Web.DynamicData" />
diff --git a/src/Orchard/Orchard.Framework.csproj b/src/Orchard/Orchard.Framework.csproj
index a964b9ad3..0e037a171 100644
--- a/src/Orchard/Orchard.Framework.csproj
+++ b/src/Orchard/Orchard.Framework.csproj
@@ -107,8 +107,8 @@
       <RequiredTargetFramework>3.5</RequiredTargetFramework>
     </Reference>
     <Reference Include="System.Data" />
-    <Reference Include="System.Net.Http, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
+    <Reference Include="System.Net.Http">
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Runtime.Serialization">
       <RequiredTargetFramework>3.0</RequiredTargetFramework>