diff --git a/src/Orchard.Azure/Orchard.Azure.Web/Orchard.Azure.Web.csproj b/src/Orchard.Azure/Orchard.Azure.Web/Orchard.Azure.Web.csproj
index 025dda1ca..9f81d4831 100644
--- a/src/Orchard.Azure/Orchard.Azure.Web/Orchard.Azure.Web.csproj
+++ b/src/Orchard.Azure/Orchard.Azure.Web/Orchard.Azure.Web.csproj
@@ -53,6 +53,7 @@
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\..\lib\aspnetmvc\Microsoft.Web.Infrastructure.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.WindowsAzure.Diagnostics, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL" />
     <Reference Include="Microsoft.WindowsAzure.ServiceRuntime, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
@@ -93,6 +94,7 @@
     </Reference>
     <Reference Include="System.Web.Helpers">
       <HintPath>..\..\..\lib\aspnetmvc\System.Web.Helpers.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
@@ -107,19 +109,23 @@
     </Reference>
     <Reference Include="System.Web.Razor">
       <HintPath>..\..\..\lib\aspnetmvc\System.Web.Razor.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.Routing">
       <Private>False</Private>
     </Reference>
     <Reference Include="System.Web.WebPages">
       <HintPath>..\..\..\lib\aspnetmvc\System.Web.WebPages.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.WebPages.Deployment, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\..\lib\aspnetmvc\System.Web.WebPages.Deployment.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.WebPages.Razor">
       <HintPath>..\..\..\lib\aspnetmvc\System.Web.WebPages.Razor.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Xml">
       <Private>False</Private>
@@ -141,6 +147,7 @@
     </Reference>
     <Reference Include="WebMatrix.Data">
       <HintPath>..\..\..\lib\aspnetmvc\WebMatrix.Data.dll</HintPath>
+      <Private>True</Private>
     </Reference>
   </ItemGroup>
   <ItemGroup>
diff --git a/src/Orchard.Web/Orchard.Web.csproj b/src/Orchard.Web/Orchard.Web.csproj
index 583f31361..ec7b050fa 100644
--- a/src/Orchard.Web/Orchard.Web.csproj
+++ b/src/Orchard.Web/Orchard.Web.csproj
@@ -103,6 +103,7 @@
     <Reference Include="System.Web.WebPages.Deployment, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\lib\aspnetmvc\System.Web.WebPages.Deployment.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.WebPages.Razor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>