diff --git a/src/Orchard.Web/Modules/Orchard.Localization/Orchard.Localization.csproj b/src/Orchard.Web/Modules/Orchard.Localization/Orchard.Localization.csproj
index e4f5fc2d6..84f4820f9 100644
--- a/src/Orchard.Web/Modules/Orchard.Localization/Orchard.Localization.csproj
+++ b/src/Orchard.Web/Modules/Orchard.Localization/Orchard.Localization.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProductVersion>8.0.30703</ProductVersion>
+    <ProductVersion></ProductVersion>
     <SchemaVersion>2.0</SchemaVersion>
     <ProjectGuid>{FBC8B571-ED50-49D8-8D9D-64AB7454A0D6}</ProjectGuid>
     <ProjectTypeGuids>{349c5851-65df-11da-9384-00065b846f21};{fae04ec0-301f-11d3-bf4b-00c04f79efbc}</ProjectTypeGuids>
@@ -12,9 +12,6 @@
     <RootNamespace>Orchard.Localization</RootNamespace>
     <AssemblyName>Orchard.Localization</AssemblyName>
     <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-    <FileUpgradeFlags>0</FileUpgradeFlags>
-    <OldToolsVersion>4.0</OldToolsVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -24,7 +21,6 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
diff --git a/src/Orchard.Web/Modules/Orchard.Messaging/Orchard.Messaging.csproj b/src/Orchard.Web/Modules/Orchard.Messaging/Orchard.Messaging.csproj
index 0106e4969..68b482b95 100644
--- a/src/Orchard.Web/Modules/Orchard.Messaging/Orchard.Messaging.csproj
+++ b/src/Orchard.Web/Modules/Orchard.Messaging/Orchard.Messaging.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProductVersion>8.0.30703</ProductVersion>
+    <ProductVersion></ProductVersion>
     <SchemaVersion>2.0</SchemaVersion>
     <ProjectGuid>{085948FF-0E9B-4A9A-B564-F8B8B4BDDDBC}</ProjectGuid>
     <ProjectTypeGuids>{349c5851-65df-11da-9384-00065b846f21};{fae04ec0-301f-11d3-bf4b-00c04f79efbc}</ProjectTypeGuids>
@@ -12,9 +12,6 @@
     <RootNamespace>Orchard.Messaging</RootNamespace>
     <AssemblyName>Orchard.Messaging</AssemblyName>
     <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-    <FileUpgradeFlags>0</FileUpgradeFlags>
-    <OldToolsVersion>4.0</OldToolsVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -24,7 +21,6 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>