diff --git a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/IronRuby.Libraries.Yaml.dll b/src/AddIns/BackendBindings/Ruby/IronRuby/bin/IronRuby.Libraries.Yaml.dll
deleted file mode 100644
index 32b076bf91..0000000000
Binary files a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/IronRuby.Libraries.Yaml.dll and /dev/null differ
diff --git a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/IronRuby.Libraries.dll b/src/AddIns/BackendBindings/Ruby/IronRuby/bin/IronRuby.Libraries.dll
index f3314e09e4..3aa9eba8b6 100644
Binary files a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/IronRuby.Libraries.dll and b/src/AddIns/BackendBindings/Ruby/IronRuby/bin/IronRuby.Libraries.dll differ
diff --git a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/IronRuby.dll b/src/AddIns/BackendBindings/Ruby/IronRuby/bin/IronRuby.dll
index 8e6a4b7424..be450fe3c8 100644
Binary files a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/IronRuby.dll and b/src/AddIns/BackendBindings/Ruby/IronRuby/bin/IronRuby.dll differ
diff --git a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/Microsoft.Dynamic.dll b/src/AddIns/BackendBindings/Ruby/IronRuby/bin/Microsoft.Dynamic.dll
index c42ed6e465..2a275e0f95 100644
Binary files a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/Microsoft.Dynamic.dll and b/src/AddIns/BackendBindings/Ruby/IronRuby/bin/Microsoft.Dynamic.dll differ
diff --git a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/Microsoft.Scripting.Core.dll b/src/AddIns/BackendBindings/Ruby/IronRuby/bin/Microsoft.Scripting.Core.dll
deleted file mode 100644
index bcf50a984a..0000000000
Binary files a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/Microsoft.Scripting.Core.dll and /dev/null differ
diff --git a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/Microsoft.Scripting.Debugging.dll b/src/AddIns/BackendBindings/Ruby/IronRuby/bin/Microsoft.Scripting.Debugging.dll
deleted file mode 100644
index 6fcc6c6df8..0000000000
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diff --git a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/Microsoft.Scripting.ExtensionAttribute.dll b/src/AddIns/BackendBindings/Ruby/IronRuby/bin/Microsoft.Scripting.ExtensionAttribute.dll
deleted file mode 100644
index be1d501913..0000000000
Binary files a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/Microsoft.Scripting.ExtensionAttribute.dll and /dev/null differ
diff --git a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/Microsoft.Scripting.dll b/src/AddIns/BackendBindings/Ruby/IronRuby/bin/Microsoft.Scripting.dll
index 4e85ba3f6d..144eebddcd 100644
Binary files a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/Microsoft.Scripting.dll and b/src/AddIns/BackendBindings/Ruby/IronRuby/bin/Microsoft.Scripting.dll differ
diff --git a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/ir.exe b/src/AddIns/BackendBindings/Ruby/IronRuby/bin/ir.exe
index 12d382743f..696a46d6c1 100644
Binary files a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/ir.exe and b/src/AddIns/BackendBindings/Ruby/IronRuby/bin/ir.exe differ
diff --git a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/ir.exe.config b/src/AddIns/BackendBindings/Ruby/IronRuby/bin/ir.exe.config
index 6576230e3c..ec5b88a1a6 100644
--- a/src/AddIns/BackendBindings/Ruby/IronRuby/bin/ir.exe.config
+++ b/src/AddIns/BackendBindings/Ruby/IronRuby/bin/ir.exe.config
@@ -1,12 +1,12 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <configuration>
   <configSections>
-    <section name='microsoft.scripting' requirePermission='false' type='Microsoft.Scripting.Hosting.Configuration.Section, Microsoft.Scripting, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'/>
+    <section name='microsoft.scripting' requirePermission='false' type='Microsoft.Scripting.Hosting.Configuration.Section, Microsoft.Scripting, Version=1.0.30207.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'/>
   </configSections>
 
   <microsoft.scripting>
     <languages>
-      <language extensions='.py' displayName='IronPython 2.6.1' type='IronPython.Runtime.PythonContext, IronPython, Version=2.6.10920.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' names='IronPython;Python;py'/>
+      <language extensions='.py' displayName='IronPython 2.6' type='IronPython.Runtime.PythonContext, IronPython, Version=2.6.10920.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' names='IronPython;Python;py'/>
       <language extensions='.rb' displayName='IronRuby' type='IronRuby.Runtime.RubyContext, IronRuby, Version=0.9.4.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' names='IronRuby;Ruby;rb'/>
     </languages>
 
diff --git a/src/AddIns/BackendBindings/Ruby/RubyBinding/Project/RubyBinding.csproj b/src/AddIns/BackendBindings/Ruby/RubyBinding/Project/RubyBinding.csproj
index cd0acbf64c..1b3f8c4aaa 100644
--- a/src/AddIns/BackendBindings/Ruby/RubyBinding/Project/RubyBinding.csproj
+++ b/src/AddIns/BackendBindings/Ruby/RubyBinding/Project/RubyBinding.csproj
@@ -48,9 +48,6 @@
     <Reference Include="IronRuby.Libraries">
       <HintPath>..\..\IronRuby\bin\IronRuby.Libraries.dll</HintPath>
     </Reference>
-    <Reference Include="IronRuby.Libraries.Yaml">
-      <HintPath>..\..\IronRuby\bin\IronRuby.Libraries.Yaml.dll</HintPath>
-    </Reference>
     <Reference Include="Microsoft.Build" />
     <Reference Include="Microsoft.Build.Engine" />
     <Reference Include="Microsoft.Dynamic">
@@ -59,16 +56,8 @@
     <Reference Include="Microsoft.Scripting">
       <HintPath>..\..\IronRuby\bin\Microsoft.Scripting.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.Scripting.Core">
-      <HintPath>..\..\IronRuby\bin\Microsoft.Scripting.Core.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Scripting.Debugging">
-      <HintPath>..\..\IronRuby\bin\Microsoft.Scripting.Debugging.dll</HintPath>
-    </Reference>
     <Reference Include="System" />
-    <Reference Include="System.Core">
-      <RequiredTargetFramework>3.5</RequiredTargetFramework>
-    </Reference>
+    <Reference Include="System.Core" />
     <Reference Include="System.Design" />
     <Reference Include="System.Drawing" />
     <Reference Include="System.Windows.Forms" />
diff --git a/src/AddIns/BackendBindings/Ruby/RubyBinding/Project/ir.exe.config b/src/AddIns/BackendBindings/Ruby/RubyBinding/Project/ir.exe.config
index 7cc0cc689e..17fb31f62c 100644
--- a/src/AddIns/BackendBindings/Ruby/RubyBinding/Project/ir.exe.config
+++ b/src/AddIns/BackendBindings/Ruby/RubyBinding/Project/ir.exe.config
@@ -1,7 +1,7 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <configuration>
   <configSections>
-    <section name='microsoft.scripting' requirePermission='false' type='Microsoft.Scripting.Hosting.Configuration.Section, Microsoft.Scripting, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'/>
+    <section name='microsoft.scripting' requirePermission='false' type='Microsoft.Scripting.Hosting.Configuration.Section, Microsoft.Scripting, Version=1.0.30207.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'/>
   </configSections>
 
   <microsoft.scripting>
diff --git a/src/AddIns/BackendBindings/Ruby/RubyBinding/Test/RubyBinding.Tests.csproj b/src/AddIns/BackendBindings/Ruby/RubyBinding/Test/RubyBinding.Tests.csproj
index cd3c5d5baf..b758df2d05 100644
--- a/src/AddIns/BackendBindings/Ruby/RubyBinding/Test/RubyBinding.Tests.csproj
+++ b/src/AddIns/BackendBindings/Ruby/RubyBinding/Test/RubyBinding.Tests.csproj
@@ -46,9 +46,6 @@
     <Reference Include="IronRuby.Libraries">
       <HintPath>..\..\IronRuby\bin\IronRuby.Libraries.dll</HintPath>
     </Reference>
-    <Reference Include="IronRuby.Libraries.Yaml">
-      <HintPath>..\..\IronRuby\bin\IronRuby.Libraries.Yaml.dll</HintPath>
-    </Reference>
     <Reference Include="Microsoft.Build" />
     <Reference Include="Microsoft.Build.Engine" />
     <Reference Include="Microsoft.Dynamic">
@@ -57,36 +54,20 @@
     <Reference Include="Microsoft.Scripting">
       <HintPath>..\..\IronRuby\bin\Microsoft.Scripting.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.Scripting.Core">
-      <HintPath>..\..\IronRuby\bin\Microsoft.Scripting.Core.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Scripting.Debugging">
-      <HintPath>..\..\IronRuby\bin\Microsoft.Scripting.Debugging.dll</HintPath>
-    </Reference>
     <Reference Include="nunit.framework">
       <HintPath>..\..\..\..\..\Tools\NUnit\nunit.framework.dll</HintPath>
     </Reference>
-    <Reference Include="PresentationCore">
-      <RequiredTargetFramework>3.0</RequiredTargetFramework>
-    </Reference>
-    <Reference Include="PresentationFramework">
-      <RequiredTargetFramework>3.0</RequiredTargetFramework>
-    </Reference>
+    <Reference Include="PresentationCore" />
+    <Reference Include="PresentationFramework" />
     <Reference Include="System" />
-    <Reference Include="System.Core">
-      <RequiredTargetFramework>3.5</RequiredTargetFramework>
-    </Reference>
+    <Reference Include="System.Core" />
     <Reference Include="System.Data" />
     <Reference Include="System.Design" />
     <Reference Include="System.Drawing" />
     <Reference Include="System.Windows.Forms" />
-    <Reference Include="System.Xaml">
-      <RequiredTargetFramework>4.0</RequiredTargetFramework>
-    </Reference>
+    <Reference Include="System.Xaml" />
     <Reference Include="System.Xml" />
-    <Reference Include="WindowsBase">
-      <RequiredTargetFramework>3.0</RequiredTargetFramework>
-    </Reference>
+    <Reference Include="WindowsBase" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="AddInOptionsTestFixture.cs" />
diff --git a/src/AddIns/BackendBindings/Ruby/RubyBinding/Test/Utils/MockWorkbench.cs b/src/AddIns/BackendBindings/Ruby/RubyBinding/Test/Utils/MockWorkbench.cs
index 374e400568..6f2e9b453e 100644
--- a/src/AddIns/BackendBindings/Ruby/RubyBinding/Test/Utils/MockWorkbench.cs
+++ b/src/AddIns/BackendBindings/Ruby/RubyBinding/Test/Utils/MockWorkbench.cs
@@ -158,5 +158,14 @@ namespace RubyBinding.Tests.Utils
 		{
 			throw new NotImplementedException();
 		}
+		
+		public bool FullScreen {
+			get {
+				throw new NotImplementedException();
+			}
+			set {
+				throw new NotImplementedException();
+			}
+		}
 	}
 }