diff --git a/src/Spring/Spring.Data.NHibernate30/Data/NHibernate/Bytecode/dontdelete.txt b/src/Spring/Spring.Data.NHibernate30/Data/NHibernate/Bytecode/dontdelete.txt
new file mode 100644
index 00000000..9b957720
--- /dev/null
+++ b/src/Spring/Spring.Data.NHibernate30/Data/NHibernate/Bytecode/dontdelete.txt
@@ -0,0 +1 @@
+sources are linked here from Spring.Data.NHibernate21
\ No newline at end of file
diff --git a/src/Spring/Spring.Data.NHibernate30/Spring.Data.NHibernate30.2008.csproj b/src/Spring/Spring.Data.NHibernate30/Spring.Data.NHibernate30.2008.csproj
index 00b5378b..9bb7c36e 100644
--- a/src/Spring/Spring.Data.NHibernate30/Spring.Data.NHibernate30.2008.csproj
+++ b/src/Spring/Spring.Data.NHibernate30/Spring.Data.NHibernate30.2008.csproj
@@ -84,6 +84,24 @@
     <Compile Include="..\Spring.Data.NHibernate12\Data\NHibernate\SpringSessionSynchronization.cs">
       <Link>Data\NHibernate\SpringSessionSynchronization.cs</Link>
     </Compile>
+    <Compile Include="..\Spring.Data.NHibernate21\Data\NHibernate\Bytecode\BytecodeProvider.cs">
+      <Link>Data\NHibernate\Bytecode\BytecodeProvider.cs</Link>
+    </Compile>
+    <Compile Include="..\Spring.Data.NHibernate21\Data\NHibernate\Bytecode\LazyInitializer.cs">
+      <Link>Data\NHibernate\Bytecode\LazyInitializer.cs</Link>
+    </Compile>
+    <Compile Include="..\Spring.Data.NHibernate21\Data\NHibernate\Bytecode\ObjectsFactory.cs">
+      <Link>Data\NHibernate\Bytecode\ObjectsFactory.cs</Link>
+    </Compile>
+    <Compile Include="..\Spring.Data.NHibernate21\Data\NHibernate\Bytecode\ProxyFactory.cs">
+      <Link>Data\NHibernate\Bytecode\ProxyFactory.cs</Link>
+    </Compile>
+    <Compile Include="..\Spring.Data.NHibernate21\Data\NHibernate\Bytecode\ProxyFactoryFactory.cs">
+      <Link>Data\NHibernate\Bytecode\ProxyFactoryFactory.cs</Link>
+    </Compile>
+    <Compile Include="..\Spring.Data.NHibernate21\Data\NHibernate\Bytecode\ReflectionOptimizer.cs">
+      <Link>Data\NHibernate\Bytecode\ReflectionOptimizer.cs</Link>
+    </Compile>
     <Compile Include="..\Spring.Data.NHibernate\Data\NHibernate\HibernateAdoException.cs">
       <Link>Data\NHibernate\HibernateAdoException.cs</Link>
     </Compile>