diff --git a/lib/csharp/Makefile.am b/lib/csharp/Makefile.am
index be49d5e..56a8b0f 100644
--- a/lib/csharp/Makefile.am
+++ b/lib/csharp/Makefile.am
@@ -109,3 +109,7 @@
 	test \
 	coding_standards.md \
 	README.md
+
+MAINTAINERCLEANFILES = \
+	Makefile \
+	Makefile.in
diff --git a/lib/csharp/src/Thrift.45.csproj b/lib/csharp/src/Thrift.45.csproj
index 455916f..4e28b25 100644
--- a/lib/csharp/src/Thrift.45.csproj
+++ b/lib/csharp/src/Thrift.45.csproj
@@ -31,7 +31,7 @@
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
+    <DebugType>portable</DebugType>
     <Optimize>false</Optimize>
     <OutputPath>bin\Debug\</OutputPath>
     <DefineConstants>TRACE;DEBUG;NET45</DefineConstants>
@@ -39,7 +39,7 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
+    <DebugType>portable</DebugType>
     <Optimize>true</Optimize>
     <OutputPath>bin\Release\</OutputPath>
     <DefineConstants>TRACE;NET45</DefineConstants>
diff --git a/lib/csharp/src/Thrift.csproj b/lib/csharp/src/Thrift.csproj
index 2a469ed..bf65569 100644
--- a/lib/csharp/src/Thrift.csproj
+++ b/lib/csharp/src/Thrift.csproj
@@ -52,19 +52,20 @@
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
+    <DebugType>portable</DebugType>
     <Optimize>false</Optimize>
     <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <DefineConstants>TRACE;DEBUG</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
+    <DebugType>portable</DebugType>
     <Optimize>true</Optimize>
     <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
+    <DefineConstants>
+    </DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
@@ -153,4 +154,4 @@
   <ProjectExtensions>
     <VisualStudio AllowExistingFolder="true" />
   </ProjectExtensions>
-</Project>
+</Project>
\ No newline at end of file