diff --git a/paket.lock b/paket.lock
index dcb61fb3..40aeb71a 100644
--- a/paket.lock
+++ b/paket.lock
@@ -1,6 +1,5 @@
 NUGET
   remote: https://www.nuget.org/api/v2
-  specs:
     FAKE (4.28)
     FsCheck (2.4)
       FSharp.Core (>= 3.1.2.5)
diff --git a/src/Generator.Rewrite/Generator.Rewrite.csproj b/src/Generator.Rewrite/Generator.Rewrite.csproj
index 0f37451f..a6472b87 100644
--- a/src/Generator.Rewrite/Generator.Rewrite.csproj
+++ b/src/Generator.Rewrite/Generator.Rewrite.csproj
@@ -48,22 +48,6 @@
     <AssemblyOriginatorKeyFile>..\..\OpenTK.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Mono.Cecil, Version=0.9.6.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\Mono.Cecil.0.9.6.1\lib\net35\Mono.Cecil.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="Mono.Cecil.Mdb, Version=0.9.6.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\Mono.Cecil.0.9.6.1\lib\net35\Mono.Cecil.Mdb.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="Mono.Cecil.Pdb, Version=0.9.6.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\Mono.Cecil.0.9.6.1\lib\net35\Mono.Cecil.Pdb.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="Mono.Cecil.Rocks, Version=0.9.6.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\Mono.Cecil.0.9.6.1\lib\net35\Mono.Cecil.Rocks.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
   </ItemGroup>
@@ -99,4 +83,111 @@
       </Properties>
     </MonoDevelop>
   </ProjectExtensions>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v2.0' Or $(TargetFrameworkVersion) == 'v3.0')">
+      <ItemGroup>
+        <Reference Include="Mono.Cecil.Mdb">
+          <HintPath>..\..\packages\Mono.Cecil\lib\net20\Mono.Cecil.Mdb.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="Mono.Cecil.Pdb">
+          <HintPath>..\..\packages\Mono.Cecil\lib\net20\Mono.Cecil.Pdb.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="Mono.Cecil">
+          <HintPath>..\..\packages\Mono.Cecil\lib\net20\Mono.Cecil.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v3.5'">
+      <ItemGroup>
+        <Reference Include="Mono.Cecil.Mdb">
+          <HintPath>..\..\packages\Mono.Cecil\lib\net35\Mono.Cecil.Mdb.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="Mono.Cecil.Pdb">
+          <HintPath>..\..\packages\Mono.Cecil\lib\net35\Mono.Cecil.Pdb.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="Mono.Cecil.Rocks">
+          <HintPath>..\..\packages\Mono.Cecil\lib\net35\Mono.Cecil.Rocks.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="Mono.Cecil">
+          <HintPath>..\..\packages\Mono.Cecil\lib\net35\Mono.Cecil.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v4.0'">
+      <ItemGroup>
+        <Reference Include="Mono.Cecil.Mdb">
+          <HintPath>..\..\packages\Mono.Cecil\lib\net40\Mono.Cecil.Mdb.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="Mono.Cecil.Pdb">
+          <HintPath>..\..\packages\Mono.Cecil\lib\net40\Mono.Cecil.Pdb.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="Mono.Cecil.Rocks">
+          <HintPath>..\..\packages\Mono.Cecil\lib\net40\Mono.Cecil.Rocks.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="Mono.Cecil">
+          <HintPath>..\..\packages\Mono.Cecil\lib\net40\Mono.Cecil.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.5' Or $(TargetFrameworkVersion) == 'v4.5.1' Or $(TargetFrameworkVersion) == 'v4.5.2' Or $(TargetFrameworkVersion) == 'v4.5.3' Or $(TargetFrameworkVersion) == 'v4.6' Or $(TargetFrameworkVersion) == 'v4.6.1' Or $(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3')">
+      <ItemGroup>
+        <Reference Include="Mono.Cecil.Mdb">
+          <HintPath>..\..\packages\Mono.Cecil\lib\net45\Mono.Cecil.Mdb.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="Mono.Cecil.Pdb">
+          <HintPath>..\..\packages\Mono.Cecil\lib\net45\Mono.Cecil.Pdb.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="Mono.Cecil.Rocks">
+          <HintPath>..\..\packages\Mono.Cecil\lib\net45\Mono.Cecil.Rocks.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="Mono.Cecil">
+          <HintPath>..\..\packages\Mono.Cecil\lib\net45\Mono.Cecil.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == 'Silverlight' And $(TargetFrameworkVersion) == 'v5.0'">
+      <ItemGroup>
+        <Reference Include="Mono.Cecil.Rocks">
+          <HintPath>..\..\packages\Mono.Cecil\lib\sl5\Mono.Cecil.Rocks.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="Mono.Cecil">
+          <HintPath>..\..\packages\Mono.Cecil\lib\sl5\Mono.Cecil.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
 </Project>
\ No newline at end of file
diff --git a/src/OpenTK/OpenTK.Android.csproj b/src/OpenTK/OpenTK.Android.csproj
index 50825121..82ee1b08 100644
--- a/src/OpenTK/OpenTK.Android.csproj
+++ b/src/OpenTK/OpenTK.Android.csproj
@@ -47,7 +47,6 @@
     <Reference Include="Mono.Android" />
     <Reference Include="System" />
   </ItemGroup>
-  <ItemGroup />
   <ItemGroup>
     <Compile Include="AutoGeneratedAttribute.cs" />
     <Compile Include="BindingsBase.cs" />
diff --git a/src/OpenTK/OpenTK.csproj b/src/OpenTK/OpenTK.csproj
index 11772830..145e8355 100644
--- a/src/OpenTK/OpenTK.csproj
+++ b/src/OpenTK/OpenTK.csproj
@@ -804,7 +804,6 @@
     <PostBuildEvent>
     </PostBuildEvent>
   </PropertyGroup>
-  <ItemGroup />
   <Target Name="AfterBuild">
     <Exec Command="$(OutputPath)..\..\..\Generator.Rewrite\bin\Debug\Rewrite.exe $(OutputPath)OpenTK.dll ..\..\OpenTK.snk -debug" Condition="$(OS) == 'Windows_NT' and $(Configuration) == 'Debug'" />
     <Exec Command="$(OutputPath)..\..\..\Generator.Rewrite\bin\Release\Rewrite.exe $(OutputPath)OpenTK.dll ..\..\OpenTK.snk" Condition="$(OS) == 'Windows_NT' and $(Configuration) == 'Release'" />
@@ -825,6 +824,4 @@
       </Properties>
     </MonoDevelop>
   </ProjectExtensions>
-  <ItemGroup />
-  <ItemGroup />
 </Project>
\ No newline at end of file