From aebd0a074a3af37a8629fd6b55b078b8f751addb Mon Sep 17 00:00:00 2001
From: Tomas Matousek <tomat@microsoft.com>
Date: Fri, 17 Apr 2015 16:09:07 -0700
Subject: [PATCH] Move Immutable and Metadata package import to solution-level
 package.config

---
 src/.nuget/packages.config                                      | 2 ++
 src/Compilers/CSharp/Desktop/packages.config                    | 2 --
 src/Compilers/CSharp/Portable/packages.config                   | 2 --
 src/Compilers/CSharp/Test/CommandLine/packages.config           | 2 --
 src/Compilers/CSharp/Test/Emit/packages.config                  | 2 --
 src/Compilers/CSharp/Test/Semantic/packages.config              | 1 -
 src/Compilers/CSharp/Test/Symbol/packages.config                | 2 --
 src/Compilers/CSharp/Test/Syntax/packages.config                | 1 -
 src/Compilers/CSharp/Test/WinRT/packages.config                 | 2 --
 src/Compilers/CSharp/csc/packages.config                        | 1 -
 src/Compilers/CSharp/csc2/packages.config                       | 1 -
 src/Compilers/Core/CodeAnalysisTest/packages.config             | 2 --
 src/Compilers/Core/Desktop/packages.config                      | 2 --
 src/Compilers/Core/MSBuildTask/packages.config                  | 1 -
 src/Compilers/Core/Portable/packages.config                     | 2 --
 src/Compilers/Core/VBCSCompiler/packages.config                 | 2 --
 src/Compilers/Core/VBCSCompilerTests/packages.config            | 2 --
 src/Compilers/Test/Resources/Core/packages.config               | 1 -
 src/Compilers/Test/Utilities/CSharp/packages.config             | 2 --
 src/Compilers/Test/Utilities/Core2/packages.config              | 2 --
 src/Compilers/Test/Utilities/VisualBasic/packages.config        | 2 --
 src/Compilers/VisualBasic/Desktop/packages.config               | 2 --
 src/Compilers/VisualBasic/Portable/packages.config              | 2 --
 src/Compilers/VisualBasic/Test/CommandLine/packages.config      | 2 --
 src/Compilers/VisualBasic/Test/Emit/packages.config             | 2 --
 src/Compilers/VisualBasic/Test/Semantic/packages.config         | 2 --
 src/Compilers/VisualBasic/Test/Symbol/packages.config           | 2 --
 src/Compilers/VisualBasic/Test/Syntax/packages.config           | 1 -
 src/Compilers/VisualBasic/vbc2/packages.config                  | 1 -
 src/Diagnostics/CodeAnalysis/CSharp/packages.config             | 1 -
 src/Diagnostics/CodeAnalysis/Core/packages.config               | 1 -
 src/Diagnostics/CodeAnalysis/Test/packages.config               | 1 -
 src/Diagnostics/CodeAnalysis/VisualBasic/packages.config        | 1 -
 src/Diagnostics/FxCop/CSharp/packages.config                    | 1 -
 src/Diagnostics/FxCop/Core/packages.config                      | 1 -
 .../FxCop/System.Runtime.Analyzers/CSharp/packages.config       | 1 -
 .../FxCop/System.Runtime.Analyzers/Core/packages.config         | 1 -
 .../FxCop/System.Runtime.Analyzers/Test/packages.config         | 1 -
 .../FxCop/System.Runtime.Analyzers/VisualBasic/packages.config  | 1 -
 src/Diagnostics/FxCop/Test/packages.config                      | 1 -
 src/Diagnostics/FxCop/VisualBasic/packages.config               | 1 -
 src/Diagnostics/Roslyn/CSharp/packages.config                   | 1 -
 src/Diagnostics/Roslyn/Core/packages.config                     | 1 -
 src/Diagnostics/Roslyn/VisualBasic/packages.config              | 1 -
 src/Diagnostics/Test/Utilities/packages.config                  | 1 -
 src/EditorFeatures/CSharp/packages.config                       | 1 -
 src/EditorFeatures/CSharpTest/packages.config                   | 1 -
 src/EditorFeatures/Core/packages.config                         | 1 -
 src/EditorFeatures/Test/packages.config                         | 1 -
 src/EditorFeatures/Test2/packages.config                        | 1 -
 src/EditorFeatures/TestUtilities/packages.config                | 1 -
 src/EditorFeatures/Text/packages.config                         | 1 -
 src/EditorFeatures/VisualBasic/packages.config                  | 1 -
 src/EditorFeatures/VisualBasicTest/packages.config              | 1 -
 .../CSharp/Source/ExpressionCompiler/packages.config            | 2 --
 .../CSharp/Test/ExpressionCompiler/packages.config              | 2 --
 .../CSharp/Test/ResultProvider/packages.config                  | 1 -
 .../Core/Source/ExpressionCompiler/packages.config              | 2 --
 .../Core/Test/ExpressionCompiler/packages.config                | 2 --
 .../Core/Test/ResultProvider/packages.config                    | 1 -
 .../VisualBasic/Source/ExpressionCompiler/packages.config       | 2 --
 .../VisualBasic/Test/ExpressionCompiler/packages.config         | 2 --
 .../VisualBasic/Test/ResultProvider/packages.config             | 1 -
 src/Features/CSharp/packages.config                             | 1 -
 src/Features/Core/packages.config                               | 2 --
 src/Features/VisualBasic/packages.config                        | 1 -
 src/Interactive/EditorFeatures/CSharp/packages.config           | 1 -
 src/Interactive/EditorFeatures/Core/packages.config             | 1 -
 src/Interactive/EditorFeatures/VisualBasic/packages.config      | 1 -
 src/Interactive/Features/packages.config                        | 1 -
 src/Interactive/HostTest/packages.config                        | 1 -
 src/Interactive/csi/packages.config                             | 1 -
 src/Interactive/vbi/packages.config                             | 1 -
 src/InteractiveWindow/EditorTest/packages.config                | 1 -
 src/Samples/CSharp/APISampleUnitTests/packages.config           | 1 -
 src/Samples/CSharp/AsyncPackage/Test/packages.config            | 1 -
 src/Samples/CSharp/AsyncPackage/packages.config                 | 2 --
 src/Samples/CSharp/ConsoleClassifier/packages.config            | 1 -
 src/Samples/CSharp/ConvertToAutoProperty/Impl/packages.config   | 1 -
 .../CSharp/ImplementNotifyPropertyChanged/Impl/packages.config  | 1 -
 .../CSharp/ImplementNotifyPropertyChanged/Test/packages.config  | 1 -
 src/Samples/CSharp/MakeConst/Impl/packages.config               | 1 -
 src/Samples/CSharp/MakeConst/Test/packages.config               | 1 -
 src/Samples/Shared/UnitTestFramework/packages.config            | 1 -
 src/Samples/VisualBasic/APISampleUnitTests/packages.config      | 1 -
 src/Samples/VisualBasic/ConsoleClassifier/packages.config       | 1 -
 .../VisualBasic/ConvertToAutoProperty/Impl/packages.config      | 1 -
 .../VisualBasic/ConvertToAutoProperty/Test/packages.config      | 1 -
 src/Samples/VisualBasic/FormatSolution/packages.config          | 1 -
 .../ImplementNotifyPropertyChanged/Impl/packages.config         | 1 -
 .../ImplementNotifyPropertyChanged/Test/packages.config         | 1 -
 src/Samples/VisualBasic/MakeConst/Impl/packages.config          | 1 -
 src/Samples/VisualBasic/MakeConst/Test/packages.config          | 1 -
 src/Scripting/CSharp/packages.config                            | 1 -
 src/Scripting/CSharpTest/packages.config                        | 1 -
 src/Scripting/Core/packages.config                              | 2 --
 src/Scripting/Test/packages.config                              | 1 -
 src/Scripting/VisualBasic/packages.config                       | 1 -
 src/Scripting/VisualBasicTest/packages.config                   | 1 -
 src/Test/Diagnostics/packages.config                            | 1 -
 src/Test/PdbUtilities/packages.config                           | 2 --
 src/Test/Utilities/packages.config                              | 2 --
 src/Tools/Source/DebuggerVisualizers/packages.config            | 2 --
 src/Tools/Source/FakeSign/packages.config                       | 2 --
 src/Tools/Source/MetadataVisualizer/packages.config             | 2 --
 src/Tools/Source/Pdb2Xml/packages.config                        | 2 --
 src/VisualStudio/CSharp/Impl/packages.config                    | 1 -
 src/VisualStudio/CSharp/Test/packages.config                    | 1 -
 src/VisualStudio/Core/Def/packages.config                       | 2 --
 src/VisualStudio/Core/Impl/packages.config                      | 2 --
 src/VisualStudio/Core/SolutionExplorerShim/packages.config      | 1 -
 src/VisualStudio/Core/Test/packages.config                      | 1 -
 src/VisualStudio/InteractiveServices/packages.config            | 1 -
 src/VisualStudio/VisualBasic/Impl/packages.config               | 1 -
 src/Workspaces/CSharp/Desktop/packages.config                   | 1 -
 src/Workspaces/CSharp/Portable/packages.config                  | 1 -
 src/Workspaces/CSharpTest/packages.config                       | 1 -
 src/Workspaces/Core/Desktop/packages.config                     | 1 -
 src/Workspaces/Core/Portable/packages.config                    | 1 -
 src/Workspaces/CoreTest/packages.config                         | 1 -
 src/Workspaces/VisualBasic/Desktop/packages.config              | 1 -
 src/Workspaces/VisualBasic/Portable/packages.config             | 1 -
 src/Workspaces/VisualBasicTest/packages.config                  | 1 -
 123 files changed, 2 insertions(+), 159 deletions(-)

diff --git a/src/.nuget/packages.config b/src/.nuget/packages.config
index cf303cb16e0..a5c372569ba 100644
--- a/src/.nuget/packages.config
+++ b/src/.nuget/packages.config
@@ -3,5 +3,7 @@
 <packages>
   <package id="Microsoft.Net.ToolsetCompilers" version="1.0.0-rc2-20150415-05" targetFramework="net45" />
   <package id="Microsoft.Net.RoslynDiagnostics" version="1.0.0-rc2-20150415-05" targetFramework="net45" />
+  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
+  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="FakeSign" version="0.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/CSharp/Desktop/packages.config b/src/Compilers/CSharp/Desktop/packages.config
index 9fb5ba1b086..569e1bea867 100644
--- a/src/Compilers/CSharp/Desktop/packages.config
+++ b/src/Compilers/CSharp/Desktop/packages.config
@@ -1,5 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-    <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/CSharp/Portable/packages.config b/src/Compilers/CSharp/Portable/packages.config
index 1c952a82438..569e1bea867 100644
--- a/src/Compilers/CSharp/Portable/packages.config
+++ b/src/Compilers/CSharp/Portable/packages.config
@@ -1,5 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="portable-net45+win" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="portable-net45+win" />
 </packages>
diff --git a/src/Compilers/CSharp/Test/CommandLine/packages.config b/src/Compilers/CSharp/Test/CommandLine/packages.config
index 6041332205d..4c9f2be0ff5 100644
--- a/src/Compilers/CSharp/Test/CommandLine/packages.config
+++ b/src/Compilers/CSharp/Test/CommandLine/packages.config
@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.CodeAnalysis.Test.Resources.Proprietary" version="1.0.0-rc1-20150208-02" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/CSharp/Test/Emit/packages.config b/src/Compilers/CSharp/Test/Emit/packages.config
index 8bf025a0f60..4337877d553 100644
--- a/src/Compilers/CSharp/Test/Emit/packages.config
+++ b/src/Compilers/CSharp/Test/Emit/packages.config
@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.CodeAnalysis.Test.Resources.Proprietary" version="1.0.0-rc1-20150208-02" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="Microsoft.DiaSymReader" version="1.0.4-rc2" targetFramework="net45" />
   <package id="xunit" version="2.0.0-alpha-build2576" targetFramework="net45" />
   <package id="xunit.abstractions" version="2.0.0-alpha-build2576" targetFramework="net45" />
diff --git a/src/Compilers/CSharp/Test/Semantic/packages.config b/src/Compilers/CSharp/Test/Semantic/packages.config
index 4adeec7869a..4c9f2be0ff5 100644
--- a/src/Compilers/CSharp/Test/Semantic/packages.config
+++ b/src/Compilers/CSharp/Test/Semantic/packages.config
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.CodeAnalysis.Test.Resources.Proprietary" version="1.0.0-rc1-20150208-02" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/CSharp/Test/Symbol/packages.config b/src/Compilers/CSharp/Test/Symbol/packages.config
index 19d7feef3b7..3f8471f627a 100644
--- a/src/Compilers/CSharp/Test/Symbol/packages.config
+++ b/src/Compilers/CSharp/Test/Symbol/packages.config
@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.CodeAnalysis.Test.Resources.Proprietary" version="1.0.0-rc1-20150208-02" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="Microsoft.DiaSymReader" version="1.0.4-rc2" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/CSharp/Test/Syntax/packages.config b/src/Compilers/CSharp/Test/Syntax/packages.config
index 4adeec7869a..4c9f2be0ff5 100644
--- a/src/Compilers/CSharp/Test/Syntax/packages.config
+++ b/src/Compilers/CSharp/Test/Syntax/packages.config
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.CodeAnalysis.Test.Resources.Proprietary" version="1.0.0-rc1-20150208-02" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/CSharp/Test/WinRT/packages.config b/src/Compilers/CSharp/Test/WinRT/packages.config
index 2693e334cb9..79ab5650588 100644
--- a/src/Compilers/CSharp/Test/WinRT/packages.config
+++ b/src/Compilers/CSharp/Test/WinRT/packages.config
@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.CodeAnalysis.Test.Resources.Proprietary" version="1.0.0-rc1-20150208-02" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/Compilers/CSharp/csc/packages.config b/src/Compilers/CSharp/csc/packages.config
index 910c774eb6e..569e1bea867 100644
--- a/src/Compilers/CSharp/csc/packages.config
+++ b/src/Compilers/CSharp/csc/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/CSharp/csc2/packages.config b/src/Compilers/CSharp/csc2/packages.config
index cf711ac3622..6b8deb9c96d 100644
--- a/src/Compilers/CSharp/csc2/packages.config
+++ b/src/Compilers/CSharp/csc2/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/Compilers/Core/CodeAnalysisTest/packages.config b/src/Compilers/Core/CodeAnalysisTest/packages.config
index 6041332205d..4c9f2be0ff5 100644
--- a/src/Compilers/Core/CodeAnalysisTest/packages.config
+++ b/src/Compilers/Core/CodeAnalysisTest/packages.config
@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.CodeAnalysis.Test.Resources.Proprietary" version="1.0.0-rc1-20150208-02" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/Core/Desktop/packages.config b/src/Compilers/Core/Desktop/packages.config
index 9fb5ba1b086..569e1bea867 100644
--- a/src/Compilers/Core/Desktop/packages.config
+++ b/src/Compilers/Core/Desktop/packages.config
@@ -1,5 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-    <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/Core/MSBuildTask/packages.config b/src/Compilers/Core/MSBuildTask/packages.config
index 910c774eb6e..569e1bea867 100644
--- a/src/Compilers/Core/MSBuildTask/packages.config
+++ b/src/Compilers/Core/MSBuildTask/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/Core/Portable/packages.config b/src/Compilers/Core/Portable/packages.config
index 1c952a82438..569e1bea867 100644
--- a/src/Compilers/Core/Portable/packages.config
+++ b/src/Compilers/Core/Portable/packages.config
@@ -1,5 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="portable-net45+win" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="portable-net45+win" />
 </packages>
diff --git a/src/Compilers/Core/VBCSCompiler/packages.config b/src/Compilers/Core/VBCSCompiler/packages.config
index e34ec8a7e1f..569e1bea867 100644
--- a/src/Compilers/Core/VBCSCompiler/packages.config
+++ b/src/Compilers/Core/VBCSCompiler/packages.config
@@ -1,5 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/Core/VBCSCompilerTests/packages.config b/src/Compilers/Core/VBCSCompilerTests/packages.config
index f5f211c5fef..b6253584024 100644
--- a/src/Compilers/Core/VBCSCompilerTests/packages.config
+++ b/src/Compilers/Core/VBCSCompilerTests/packages.config
@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.CodeAnalysis.Test.Resources.Proprietary" version="1.0.0-rc1-20150208-02" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="Microsoft.DiaSymReader" version="1.0.4-rc2" targetFramework="net45" />
   <package id="Moq" version="4.2.1402.2112" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
diff --git a/src/Compilers/Test/Resources/Core/packages.config b/src/Compilers/Test/Resources/Core/packages.config
index afc26abdd27..bbeaf5f002a 100644
--- a/src/Compilers/Test/Resources/Core/packages.config
+++ b/src/Compilers/Test/Resources/Core/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/Compilers/Test/Utilities/CSharp/packages.config b/src/Compilers/Test/Utilities/CSharp/packages.config
index 43f6077586a..6591823c648 100644
--- a/src/Compilers/Test/Utilities/CSharp/packages.config
+++ b/src/Compilers/Test/Utilities/CSharp/packages.config
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/Test/Utilities/Core2/packages.config b/src/Compilers/Test/Utilities/Core2/packages.config
index 6041332205d..4c9f2be0ff5 100644
--- a/src/Compilers/Test/Utilities/Core2/packages.config
+++ b/src/Compilers/Test/Utilities/Core2/packages.config
@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.CodeAnalysis.Test.Resources.Proprietary" version="1.0.0-rc1-20150208-02" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/Test/Utilities/VisualBasic/packages.config b/src/Compilers/Test/Utilities/VisualBasic/packages.config
index 43f6077586a..6591823c648 100644
--- a/src/Compilers/Test/Utilities/VisualBasic/packages.config
+++ b/src/Compilers/Test/Utilities/VisualBasic/packages.config
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/VisualBasic/Desktop/packages.config b/src/Compilers/VisualBasic/Desktop/packages.config
index 9fb5ba1b086..569e1bea867 100644
--- a/src/Compilers/VisualBasic/Desktop/packages.config
+++ b/src/Compilers/VisualBasic/Desktop/packages.config
@@ -1,5 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-    <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/VisualBasic/Portable/packages.config b/src/Compilers/VisualBasic/Portable/packages.config
index 30c36e84175..6b8deb9c96d 100644
--- a/src/Compilers/VisualBasic/Portable/packages.config
+++ b/src/Compilers/VisualBasic/Portable/packages.config
@@ -1,5 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/Compilers/VisualBasic/Test/CommandLine/packages.config b/src/Compilers/VisualBasic/Test/CommandLine/packages.config
index 6041332205d..4c9f2be0ff5 100644
--- a/src/Compilers/VisualBasic/Test/CommandLine/packages.config
+++ b/src/Compilers/VisualBasic/Test/CommandLine/packages.config
@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.CodeAnalysis.Test.Resources.Proprietary" version="1.0.0-rc1-20150208-02" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/VisualBasic/Test/Emit/packages.config b/src/Compilers/VisualBasic/Test/Emit/packages.config
index 19d7feef3b7..3f8471f627a 100644
--- a/src/Compilers/VisualBasic/Test/Emit/packages.config
+++ b/src/Compilers/VisualBasic/Test/Emit/packages.config
@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.CodeAnalysis.Test.Resources.Proprietary" version="1.0.0-rc1-20150208-02" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="Microsoft.DiaSymReader" version="1.0.4-rc2" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/VisualBasic/Test/Semantic/packages.config b/src/Compilers/VisualBasic/Test/Semantic/packages.config
index 19d7feef3b7..3f8471f627a 100644
--- a/src/Compilers/VisualBasic/Test/Semantic/packages.config
+++ b/src/Compilers/VisualBasic/Test/Semantic/packages.config
@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.CodeAnalysis.Test.Resources.Proprietary" version="1.0.0-rc1-20150208-02" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="Microsoft.DiaSymReader" version="1.0.4-rc2" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/VisualBasic/Test/Symbol/packages.config b/src/Compilers/VisualBasic/Test/Symbol/packages.config
index 6041332205d..4c9f2be0ff5 100644
--- a/src/Compilers/VisualBasic/Test/Symbol/packages.config
+++ b/src/Compilers/VisualBasic/Test/Symbol/packages.config
@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.CodeAnalysis.Test.Resources.Proprietary" version="1.0.0-rc1-20150208-02" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Compilers/VisualBasic/Test/Syntax/packages.config b/src/Compilers/VisualBasic/Test/Syntax/packages.config
index e9a9c63f7de..e87ac866b43 100644
--- a/src/Compilers/VisualBasic/Test/Syntax/packages.config
+++ b/src/Compilers/VisualBasic/Test/Syntax/packages.config
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.CodeAnalysis.Test.Resources.Proprietary" version="1.0.0-rc1-20150208-02" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="2.0.0-alpha-build2576" targetFramework="net45" />
   <package id="xunit.abstractions" version="2.0.0-alpha-build2576" targetFramework="net45" />
   <package id="xunit.assert" version="2.0.0-alpha-build2576" targetFramework="net45" />
diff --git a/src/Compilers/VisualBasic/vbc2/packages.config b/src/Compilers/VisualBasic/vbc2/packages.config
index cf711ac3622..6b8deb9c96d 100644
--- a/src/Compilers/VisualBasic/vbc2/packages.config
+++ b/src/Compilers/VisualBasic/vbc2/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/Diagnostics/CodeAnalysis/CSharp/packages.config b/src/Diagnostics/CodeAnalysis/CSharp/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Diagnostics/CodeAnalysis/CSharp/packages.config
+++ b/src/Diagnostics/CodeAnalysis/CSharp/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Diagnostics/CodeAnalysis/Core/packages.config b/src/Diagnostics/CodeAnalysis/Core/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Diagnostics/CodeAnalysis/Core/packages.config
+++ b/src/Diagnostics/CodeAnalysis/Core/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Diagnostics/CodeAnalysis/Test/packages.config b/src/Diagnostics/CodeAnalysis/Test/packages.config
index cef14880e66..6591823c648 100644
--- a/src/Diagnostics/CodeAnalysis/Test/packages.config
+++ b/src/Diagnostics/CodeAnalysis/Test/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Diagnostics/CodeAnalysis/VisualBasic/packages.config b/src/Diagnostics/CodeAnalysis/VisualBasic/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Diagnostics/CodeAnalysis/VisualBasic/packages.config
+++ b/src/Diagnostics/CodeAnalysis/VisualBasic/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Diagnostics/FxCop/CSharp/packages.config b/src/Diagnostics/FxCop/CSharp/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Diagnostics/FxCop/CSharp/packages.config
+++ b/src/Diagnostics/FxCop/CSharp/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Diagnostics/FxCop/Core/packages.config b/src/Diagnostics/FxCop/Core/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Diagnostics/FxCop/Core/packages.config
+++ b/src/Diagnostics/FxCop/Core/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Diagnostics/FxCop/System.Runtime.Analyzers/CSharp/packages.config b/src/Diagnostics/FxCop/System.Runtime.Analyzers/CSharp/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Diagnostics/FxCop/System.Runtime.Analyzers/CSharp/packages.config
+++ b/src/Diagnostics/FxCop/System.Runtime.Analyzers/CSharp/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Diagnostics/FxCop/System.Runtime.Analyzers/Core/packages.config b/src/Diagnostics/FxCop/System.Runtime.Analyzers/Core/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Diagnostics/FxCop/System.Runtime.Analyzers/Core/packages.config
+++ b/src/Diagnostics/FxCop/System.Runtime.Analyzers/Core/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Diagnostics/FxCop/System.Runtime.Analyzers/Test/packages.config b/src/Diagnostics/FxCop/System.Runtime.Analyzers/Test/packages.config
index cef14880e66..6591823c648 100644
--- a/src/Diagnostics/FxCop/System.Runtime.Analyzers/Test/packages.config
+++ b/src/Diagnostics/FxCop/System.Runtime.Analyzers/Test/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Diagnostics/FxCop/System.Runtime.Analyzers/VisualBasic/packages.config b/src/Diagnostics/FxCop/System.Runtime.Analyzers/VisualBasic/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Diagnostics/FxCop/System.Runtime.Analyzers/VisualBasic/packages.config
+++ b/src/Diagnostics/FxCop/System.Runtime.Analyzers/VisualBasic/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Diagnostics/FxCop/Test/packages.config b/src/Diagnostics/FxCop/Test/packages.config
index becae32ed25..7c393efefe7 100644
--- a/src/Diagnostics/FxCop/Test/packages.config
+++ b/src/Diagnostics/FxCop/Test/packages.config
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="2.0.0-alpha-build2576" targetFramework="net45" />
   <package id="xunit.abstractions" version="2.0.0-alpha-build2576" targetFramework="net45" />
   <package id="xunit.assert" version="2.0.0-alpha-build2576" targetFramework="net45" />
diff --git a/src/Diagnostics/FxCop/VisualBasic/packages.config b/src/Diagnostics/FxCop/VisualBasic/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Diagnostics/FxCop/VisualBasic/packages.config
+++ b/src/Diagnostics/FxCop/VisualBasic/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Diagnostics/Roslyn/CSharp/packages.config b/src/Diagnostics/Roslyn/CSharp/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Diagnostics/Roslyn/CSharp/packages.config
+++ b/src/Diagnostics/Roslyn/CSharp/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Diagnostics/Roslyn/Core/packages.config b/src/Diagnostics/Roslyn/Core/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Diagnostics/Roslyn/Core/packages.config
+++ b/src/Diagnostics/Roslyn/Core/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Diagnostics/Roslyn/VisualBasic/packages.config b/src/Diagnostics/Roslyn/VisualBasic/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Diagnostics/Roslyn/VisualBasic/packages.config
+++ b/src/Diagnostics/Roslyn/VisualBasic/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Diagnostics/Test/Utilities/packages.config b/src/Diagnostics/Test/Utilities/packages.config
index becae32ed25..7c393efefe7 100644
--- a/src/Diagnostics/Test/Utilities/packages.config
+++ b/src/Diagnostics/Test/Utilities/packages.config
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="2.0.0-alpha-build2576" targetFramework="net45" />
   <package id="xunit.abstractions" version="2.0.0-alpha-build2576" targetFramework="net45" />
   <package id="xunit.assert" version="2.0.0-alpha-build2576" targetFramework="net45" />
diff --git a/src/EditorFeatures/CSharp/packages.config b/src/EditorFeatures/CSharp/packages.config
index f22f838a15d..025aa4e9343 100644
--- a/src/EditorFeatures/CSharp/packages.config
+++ b/src/EditorFeatures/CSharp/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/EditorFeatures/CSharpTest/packages.config b/src/EditorFeatures/CSharpTest/packages.config
index 2c703e9fc95..d7c8382bd46 100644
--- a/src/EditorFeatures/CSharpTest/packages.config
+++ b/src/EditorFeatures/CSharpTest/packages.config
@@ -2,6 +2,5 @@
 <packages>
   <package id="Microsoft.CodeAnalysis.Test.Resources.Proprietary" version="1.0.0-rc1-20150208-02" targetFramework="net451" />
   <package id="Moq" version="4.2.1402.2112" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net451" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/EditorFeatures/Core/packages.config b/src/EditorFeatures/Core/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/EditorFeatures/Core/packages.config
+++ b/src/EditorFeatures/Core/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/EditorFeatures/Test/packages.config b/src/EditorFeatures/Test/packages.config
index 25105b42170..39a571a3efd 100644
--- a/src/EditorFeatures/Test/packages.config
+++ b/src/EditorFeatures/Test/packages.config
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
   <package id="Moq" version="4.2.1402.2112" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
diff --git a/src/EditorFeatures/Test2/packages.config b/src/EditorFeatures/Test2/packages.config
index dc296417366..a4d3b6d5d1a 100644
--- a/src/EditorFeatures/Test2/packages.config
+++ b/src/EditorFeatures/Test2/packages.config
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
   <package id="Moq" version="4.2.1402.2112" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
diff --git a/src/EditorFeatures/TestUtilities/packages.config b/src/EditorFeatures/TestUtilities/packages.config
index cef14880e66..6591823c648 100644
--- a/src/EditorFeatures/TestUtilities/packages.config
+++ b/src/EditorFeatures/TestUtilities/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/EditorFeatures/Text/packages.config b/src/EditorFeatures/Text/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/EditorFeatures/Text/packages.config
+++ b/src/EditorFeatures/Text/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/EditorFeatures/VisualBasic/packages.config b/src/EditorFeatures/VisualBasic/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/EditorFeatures/VisualBasic/packages.config
+++ b/src/EditorFeatures/VisualBasic/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/EditorFeatures/VisualBasicTest/packages.config b/src/EditorFeatures/VisualBasicTest/packages.config
index 2c703e9fc95..d7c8382bd46 100644
--- a/src/EditorFeatures/VisualBasicTest/packages.config
+++ b/src/EditorFeatures/VisualBasicTest/packages.config
@@ -2,6 +2,5 @@
 <packages>
   <package id="Microsoft.CodeAnalysis.Test.Resources.Proprietary" version="1.0.0-rc1-20150208-02" targetFramework="net451" />
   <package id="Moq" version="4.2.1402.2112" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net451" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/ExpressionEvaluator/CSharp/Source/ExpressionCompiler/packages.config b/src/ExpressionEvaluator/CSharp/Source/ExpressionCompiler/packages.config
index e4cea1fb9e4..9a3c46e96c0 100644
--- a/src/ExpressionEvaluator/CSharp/Source/ExpressionCompiler/packages.config
+++ b/src/ExpressionEvaluator/CSharp/Source/ExpressionCompiler/packages.config
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="Microsoft.DiaSymReader" version="1.0.4-rc2" targetFramework="net45" />
 </packages>
diff --git a/src/ExpressionEvaluator/CSharp/Test/ExpressionCompiler/packages.config b/src/ExpressionEvaluator/CSharp/Test/ExpressionCompiler/packages.config
index 0994062c3b5..7b8040f615b 100644
--- a/src/ExpressionEvaluator/CSharp/Test/ExpressionCompiler/packages.config
+++ b/src/ExpressionEvaluator/CSharp/Test/ExpressionCompiler/packages.config
@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="xunit" version="1.9.2" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="Microsoft.DiaSymReader" version="1.0.4-rc2" targetFramework="net45" />
 </packages>
diff --git a/src/ExpressionEvaluator/CSharp/Test/ResultProvider/packages.config b/src/ExpressionEvaluator/CSharp/Test/ResultProvider/packages.config
index cef14880e66..6591823c648 100644
--- a/src/ExpressionEvaluator/CSharp/Test/ResultProvider/packages.config
+++ b/src/ExpressionEvaluator/CSharp/Test/ResultProvider/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/ExpressionEvaluator/Core/Source/ExpressionCompiler/packages.config b/src/ExpressionEvaluator/Core/Source/ExpressionCompiler/packages.config
index c422ce1cd39..ca3a348d603 100644
--- a/src/ExpressionEvaluator/Core/Source/ExpressionCompiler/packages.config
+++ b/src/ExpressionEvaluator/Core/Source/ExpressionCompiler/packages.config
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="Microsoft.DiaSymReader" version="1.0.4-rc2" targetFramework="net45" />
 </packages>
diff --git a/src/ExpressionEvaluator/Core/Test/ExpressionCompiler/packages.config b/src/ExpressionEvaluator/Core/Test/ExpressionCompiler/packages.config
index 0994062c3b5..7b8040f615b 100644
--- a/src/ExpressionEvaluator/Core/Test/ExpressionCompiler/packages.config
+++ b/src/ExpressionEvaluator/Core/Test/ExpressionCompiler/packages.config
@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="xunit" version="1.9.2" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="Microsoft.DiaSymReader" version="1.0.4-rc2" targetFramework="net45" />
 </packages>
diff --git a/src/ExpressionEvaluator/Core/Test/ResultProvider/packages.config b/src/ExpressionEvaluator/Core/Test/ResultProvider/packages.config
index cef14880e66..6591823c648 100644
--- a/src/ExpressionEvaluator/Core/Test/ResultProvider/packages.config
+++ b/src/ExpressionEvaluator/Core/Test/ResultProvider/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/ExpressionEvaluator/VisualBasic/Source/ExpressionCompiler/packages.config b/src/ExpressionEvaluator/VisualBasic/Source/ExpressionCompiler/packages.config
index c422ce1cd39..ca3a348d603 100644
--- a/src/ExpressionEvaluator/VisualBasic/Source/ExpressionCompiler/packages.config
+++ b/src/ExpressionEvaluator/VisualBasic/Source/ExpressionCompiler/packages.config
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="Microsoft.DiaSymReader" version="1.0.4-rc2" targetFramework="net45" />
 </packages>
diff --git a/src/ExpressionEvaluator/VisualBasic/Test/ExpressionCompiler/packages.config b/src/ExpressionEvaluator/VisualBasic/Test/ExpressionCompiler/packages.config
index f4c8564a8d2..d30e8f758c5 100644
--- a/src/ExpressionEvaluator/VisualBasic/Test/ExpressionCompiler/packages.config
+++ b/src/ExpressionEvaluator/VisualBasic/Test/ExpressionCompiler/packages.config
@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="xunit" version="1.9.2" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="Microsoft.DiaSymReader" version="1.0.4-rc2" targetFramework="net45" />
 </packages>
diff --git a/src/ExpressionEvaluator/VisualBasic/Test/ResultProvider/packages.config b/src/ExpressionEvaluator/VisualBasic/Test/ResultProvider/packages.config
index cef14880e66..6591823c648 100644
--- a/src/ExpressionEvaluator/VisualBasic/Test/ResultProvider/packages.config
+++ b/src/ExpressionEvaluator/VisualBasic/Test/ResultProvider/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Features/CSharp/packages.config b/src/Features/CSharp/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Features/CSharp/packages.config
+++ b/src/Features/CSharp/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Features/Core/packages.config b/src/Features/Core/packages.config
index d65e07d26b7..29a2d0b15da 100644
--- a/src/Features/Core/packages.config
+++ b/src/Features/Core/packages.config
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Features/VisualBasic/packages.config b/src/Features/VisualBasic/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Features/VisualBasic/packages.config
+++ b/src/Features/VisualBasic/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Interactive/EditorFeatures/CSharp/packages.config b/src/Interactive/EditorFeatures/CSharp/packages.config
index 910c774eb6e..569e1bea867 100644
--- a/src/Interactive/EditorFeatures/CSharp/packages.config
+++ b/src/Interactive/EditorFeatures/CSharp/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Interactive/EditorFeatures/Core/packages.config b/src/Interactive/EditorFeatures/Core/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Interactive/EditorFeatures/Core/packages.config
+++ b/src/Interactive/EditorFeatures/Core/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Interactive/EditorFeatures/VisualBasic/packages.config b/src/Interactive/EditorFeatures/VisualBasic/packages.config
index afc26abdd27..bbeaf5f002a 100644
--- a/src/Interactive/EditorFeatures/VisualBasic/packages.config
+++ b/src/Interactive/EditorFeatures/VisualBasic/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/Interactive/Features/packages.config b/src/Interactive/Features/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Interactive/Features/packages.config
+++ b/src/Interactive/Features/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Interactive/HostTest/packages.config b/src/Interactive/HostTest/packages.config
index cef14880e66..6591823c648 100644
--- a/src/Interactive/HostTest/packages.config
+++ b/src/Interactive/HostTest/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Interactive/csi/packages.config b/src/Interactive/csi/packages.config
index 910c774eb6e..569e1bea867 100644
--- a/src/Interactive/csi/packages.config
+++ b/src/Interactive/csi/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Interactive/vbi/packages.config b/src/Interactive/vbi/packages.config
index bca9a5340f5..367c09ad63e 100644
--- a/src/Interactive/vbi/packages.config
+++ b/src/Interactive/vbi/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   </packages>
diff --git a/src/InteractiveWindow/EditorTest/packages.config b/src/InteractiveWindow/EditorTest/packages.config
index 9ebcc0a858f..bcd4e5b3bc6 100644
--- a/src/InteractiveWindow/EditorTest/packages.config
+++ b/src/InteractiveWindow/EditorTest/packages.config
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Moq" version="4.2.1402.2112" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
   <package id="BasicUndo" version="0.9.3" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/CSharp/APISampleUnitTests/packages.config b/src/Samples/CSharp/APISampleUnitTests/packages.config
index 910c774eb6e..569e1bea867 100644
--- a/src/Samples/CSharp/APISampleUnitTests/packages.config
+++ b/src/Samples/CSharp/APISampleUnitTests/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/CSharp/AsyncPackage/Test/packages.config b/src/Samples/CSharp/AsyncPackage/Test/packages.config
index bbf596da53c..569e1bea867 100644
--- a/src/Samples/CSharp/AsyncPackage/Test/packages.config
+++ b/src/Samples/CSharp/AsyncPackage/Test/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-    <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/CSharp/AsyncPackage/packages.config b/src/Samples/CSharp/AsyncPackage/packages.config
index 1200e3e7d3e..d4dcfce0fe1 100644
--- a/src/Samples/CSharp/AsyncPackage/packages.config
+++ b/src/Samples/CSharp/AsyncPackage/packages.config
@@ -2,6 +2,4 @@
 <packages>
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
   <package id="NuGet.CommandLine" version="2.8.3" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/CSharp/ConsoleClassifier/packages.config b/src/Samples/CSharp/ConsoleClassifier/packages.config
index 910c774eb6e..569e1bea867 100644
--- a/src/Samples/CSharp/ConsoleClassifier/packages.config
+++ b/src/Samples/CSharp/ConsoleClassifier/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/CSharp/ConvertToAutoProperty/Impl/packages.config b/src/Samples/CSharp/ConvertToAutoProperty/Impl/packages.config
index f22f838a15d..025aa4e9343 100644
--- a/src/Samples/CSharp/ConvertToAutoProperty/Impl/packages.config
+++ b/src/Samples/CSharp/ConvertToAutoProperty/Impl/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/CSharp/ImplementNotifyPropertyChanged/Impl/packages.config b/src/Samples/CSharp/ImplementNotifyPropertyChanged/Impl/packages.config
index f22f838a15d..025aa4e9343 100644
--- a/src/Samples/CSharp/ImplementNotifyPropertyChanged/Impl/packages.config
+++ b/src/Samples/CSharp/ImplementNotifyPropertyChanged/Impl/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/CSharp/ImplementNotifyPropertyChanged/Test/packages.config b/src/Samples/CSharp/ImplementNotifyPropertyChanged/Test/packages.config
index cef14880e66..6591823c648 100644
--- a/src/Samples/CSharp/ImplementNotifyPropertyChanged/Test/packages.config
+++ b/src/Samples/CSharp/ImplementNotifyPropertyChanged/Test/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/CSharp/MakeConst/Impl/packages.config b/src/Samples/CSharp/MakeConst/Impl/packages.config
index f22f838a15d..025aa4e9343 100644
--- a/src/Samples/CSharp/MakeConst/Impl/packages.config
+++ b/src/Samples/CSharp/MakeConst/Impl/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/CSharp/MakeConst/Test/packages.config b/src/Samples/CSharp/MakeConst/Test/packages.config
index cef14880e66..6591823c648 100644
--- a/src/Samples/CSharp/MakeConst/Test/packages.config
+++ b/src/Samples/CSharp/MakeConst/Test/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/Shared/UnitTestFramework/packages.config b/src/Samples/Shared/UnitTestFramework/packages.config
index 60d86685d6b..3088a10f32e 100644
--- a/src/Samples/Shared/UnitTestFramework/packages.config
+++ b/src/Samples/Shared/UnitTestFramework/packages.config
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Moq" version="4.2.1402.2112" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/VisualBasic/APISampleUnitTests/packages.config b/src/Samples/VisualBasic/APISampleUnitTests/packages.config
index bbf596da53c..569e1bea867 100644
--- a/src/Samples/VisualBasic/APISampleUnitTests/packages.config
+++ b/src/Samples/VisualBasic/APISampleUnitTests/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-    <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/VisualBasic/ConsoleClassifier/packages.config b/src/Samples/VisualBasic/ConsoleClassifier/packages.config
index bbf596da53c..569e1bea867 100644
--- a/src/Samples/VisualBasic/ConsoleClassifier/packages.config
+++ b/src/Samples/VisualBasic/ConsoleClassifier/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-    <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/VisualBasic/ConvertToAutoProperty/Impl/packages.config b/src/Samples/VisualBasic/ConvertToAutoProperty/Impl/packages.config
index 2642ed61b3c..025aa4e9343 100644
--- a/src/Samples/VisualBasic/ConvertToAutoProperty/Impl/packages.config
+++ b/src/Samples/VisualBasic/ConvertToAutoProperty/Impl/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
-    <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/VisualBasic/ConvertToAutoProperty/Test/packages.config b/src/Samples/VisualBasic/ConvertToAutoProperty/Test/packages.config
index cef14880e66..6591823c648 100644
--- a/src/Samples/VisualBasic/ConvertToAutoProperty/Test/packages.config
+++ b/src/Samples/VisualBasic/ConvertToAutoProperty/Test/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/VisualBasic/FormatSolution/packages.config b/src/Samples/VisualBasic/FormatSolution/packages.config
index bbf596da53c..569e1bea867 100644
--- a/src/Samples/VisualBasic/FormatSolution/packages.config
+++ b/src/Samples/VisualBasic/FormatSolution/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-    <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/VisualBasic/ImplementNotifyPropertyChanged/Impl/packages.config b/src/Samples/VisualBasic/ImplementNotifyPropertyChanged/Impl/packages.config
index 2642ed61b3c..025aa4e9343 100644
--- a/src/Samples/VisualBasic/ImplementNotifyPropertyChanged/Impl/packages.config
+++ b/src/Samples/VisualBasic/ImplementNotifyPropertyChanged/Impl/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
-    <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/VisualBasic/ImplementNotifyPropertyChanged/Test/packages.config b/src/Samples/VisualBasic/ImplementNotifyPropertyChanged/Test/packages.config
index cef14880e66..6591823c648 100644
--- a/src/Samples/VisualBasic/ImplementNotifyPropertyChanged/Test/packages.config
+++ b/src/Samples/VisualBasic/ImplementNotifyPropertyChanged/Test/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/VisualBasic/MakeConst/Impl/packages.config b/src/Samples/VisualBasic/MakeConst/Impl/packages.config
index 2642ed61b3c..025aa4e9343 100644
--- a/src/Samples/VisualBasic/MakeConst/Impl/packages.config
+++ b/src/Samples/VisualBasic/MakeConst/Impl/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
-    <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Samples/VisualBasic/MakeConst/Test/packages.config b/src/Samples/VisualBasic/MakeConst/Test/packages.config
index cef14880e66..6591823c648 100644
--- a/src/Samples/VisualBasic/MakeConst/Test/packages.config
+++ b/src/Samples/VisualBasic/MakeConst/Test/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Scripting/CSharp/packages.config b/src/Scripting/CSharp/packages.config
index 910c774eb6e..569e1bea867 100644
--- a/src/Scripting/CSharp/packages.config
+++ b/src/Scripting/CSharp/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Scripting/CSharpTest/packages.config b/src/Scripting/CSharpTest/packages.config
index cef14880e66..6591823c648 100644
--- a/src/Scripting/CSharpTest/packages.config
+++ b/src/Scripting/CSharpTest/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Scripting/Core/packages.config b/src/Scripting/Core/packages.config
index e34ec8a7e1f..569e1bea867 100644
--- a/src/Scripting/Core/packages.config
+++ b/src/Scripting/Core/packages.config
@@ -1,5 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Scripting/Test/packages.config b/src/Scripting/Test/packages.config
index cef14880e66..6591823c648 100644
--- a/src/Scripting/Test/packages.config
+++ b/src/Scripting/Test/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Scripting/VisualBasic/packages.config b/src/Scripting/VisualBasic/packages.config
index bca9a5340f5..367c09ad63e 100644
--- a/src/Scripting/VisualBasic/packages.config
+++ b/src/Scripting/VisualBasic/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   </packages>
diff --git a/src/Scripting/VisualBasicTest/packages.config b/src/Scripting/VisualBasicTest/packages.config
index cef14880e66..6591823c648 100644
--- a/src/Scripting/VisualBasicTest/packages.config
+++ b/src/Scripting/VisualBasicTest/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Test/Diagnostics/packages.config b/src/Test/Diagnostics/packages.config
index 910c774eb6e..569e1bea867 100644
--- a/src/Test/Diagnostics/packages.config
+++ b/src/Test/Diagnostics/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Test/PdbUtilities/packages.config b/src/Test/PdbUtilities/packages.config
index ae6caf6fcd0..850484d888c 100644
--- a/src/Test/PdbUtilities/packages.config
+++ b/src/Test/PdbUtilities/packages.config
@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="MDbg" version="0.1.0" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="Microsoft.DiaSymReader" version="1.0.4-rc2" targetFramework="net45" />
 </packages>
diff --git a/src/Test/Utilities/packages.config b/src/Test/Utilities/packages.config
index 19d7feef3b7..3f8471f627a 100644
--- a/src/Test/Utilities/packages.config
+++ b/src/Test/Utilities/packages.config
@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.CodeAnalysis.Test.Resources.Proprietary" version="1.0.0-rc1-20150208-02" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="Microsoft.DiaSymReader" version="1.0.4-rc2" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Tools/Source/DebuggerVisualizers/packages.config b/src/Tools/Source/DebuggerVisualizers/packages.config
index e34ec8a7e1f..569e1bea867 100644
--- a/src/Tools/Source/DebuggerVisualizers/packages.config
+++ b/src/Tools/Source/DebuggerVisualizers/packages.config
@@ -1,5 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Tools/Source/FakeSign/packages.config b/src/Tools/Source/FakeSign/packages.config
index e34ec8a7e1f..569e1bea867 100644
--- a/src/Tools/Source/FakeSign/packages.config
+++ b/src/Tools/Source/FakeSign/packages.config
@@ -1,5 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Tools/Source/MetadataVisualizer/packages.config b/src/Tools/Source/MetadataVisualizer/packages.config
index e34ec8a7e1f..569e1bea867 100644
--- a/src/Tools/Source/MetadataVisualizer/packages.config
+++ b/src/Tools/Source/MetadataVisualizer/packages.config
@@ -1,5 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
 </packages>
diff --git a/src/Tools/Source/Pdb2Xml/packages.config b/src/Tools/Source/Pdb2Xml/packages.config
index bd3ae0057a9..9a3c46e96c0 100644
--- a/src/Tools/Source/Pdb2Xml/packages.config
+++ b/src/Tools/Source/Pdb2Xml/packages.config
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.DiaSymReader" version="1.0.4-rc2" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
 </packages>
diff --git a/src/VisualStudio/CSharp/Impl/packages.config b/src/VisualStudio/CSharp/Impl/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/VisualStudio/CSharp/Impl/packages.config
+++ b/src/VisualStudio/CSharp/Impl/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/VisualStudio/CSharp/Test/packages.config b/src/VisualStudio/CSharp/Test/packages.config
index 369028f295e..3088a10f32e 100644
--- a/src/VisualStudio/CSharp/Test/packages.config
+++ b/src/VisualStudio/CSharp/Test/packages.config
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Moq" version="4.2.1402.2112" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net451" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/VisualStudio/Core/Def/packages.config b/src/VisualStudio/Core/Def/packages.config
index 461c8a5b3d9..9f11de627ed 100644
--- a/src/VisualStudio/Core/Def/packages.config
+++ b/src/VisualStudio/Core/Def/packages.config
@@ -2,7 +2,5 @@
 <packages>
   <package id="ManagedEsent" version="1.9.2.0" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="Microsoft.DiaSymReader" version="1.0.4-rc2" targetFramework="net45" />
 </packages>
diff --git a/src/VisualStudio/Core/Impl/packages.config b/src/VisualStudio/Core/Impl/packages.config
index d65e07d26b7..29a2d0b15da 100644
--- a/src/VisualStudio/Core/Impl/packages.config
+++ b/src/VisualStudio/Core/Impl/packages.config
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
-  <package id="System.Reflection.Metadata" version="1.0.19-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/VisualStudio/Core/SolutionExplorerShim/packages.config b/src/VisualStudio/Core/SolutionExplorerShim/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/VisualStudio/Core/SolutionExplorerShim/packages.config
+++ b/src/VisualStudio/Core/SolutionExplorerShim/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/VisualStudio/Core/Test/packages.config b/src/VisualStudio/Core/Test/packages.config
index dc296417366..a4d3b6d5d1a 100644
--- a/src/VisualStudio/Core/Test/packages.config
+++ b/src/VisualStudio/Core/Test/packages.config
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
   <package id="Moq" version="4.2.1402.2112" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
diff --git a/src/VisualStudio/InteractiveServices/packages.config b/src/VisualStudio/InteractiveServices/packages.config
index 910c774eb6e..569e1bea867 100644
--- a/src/VisualStudio/InteractiveServices/packages.config
+++ b/src/VisualStudio/InteractiveServices/packages.config
@@ -1,4 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
 </packages>
diff --git a/src/VisualStudio/VisualBasic/Impl/packages.config b/src/VisualStudio/VisualBasic/Impl/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/VisualStudio/VisualBasic/Impl/packages.config
+++ b/src/VisualStudio/VisualBasic/Impl/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Workspaces/CSharp/Desktop/packages.config b/src/Workspaces/CSharp/Desktop/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Workspaces/CSharp/Desktop/packages.config
+++ b/src/Workspaces/CSharp/Desktop/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Workspaces/CSharp/Portable/packages.config b/src/Workspaces/CSharp/Portable/packages.config
index ef4c05ad59f..5f9a2173ba1 100644
--- a/src/Workspaces/CSharp/Portable/packages.config
+++ b/src/Workspaces/CSharp/Portable/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="portable-net45+win" />
 </packages>
diff --git a/src/Workspaces/CSharpTest/packages.config b/src/Workspaces/CSharpTest/packages.config
index 60d86685d6b..3088a10f32e 100644
--- a/src/Workspaces/CSharpTest/packages.config
+++ b/src/Workspaces/CSharpTest/packages.config
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Moq" version="4.2.1402.2112" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
diff --git a/src/Workspaces/Core/Desktop/packages.config b/src/Workspaces/Core/Desktop/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Workspaces/Core/Desktop/packages.config
+++ b/src/Workspaces/Core/Desktop/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Workspaces/Core/Portable/packages.config b/src/Workspaces/Core/Portable/packages.config
index ef4c05ad59f..5f9a2173ba1 100644
--- a/src/Workspaces/Core/Portable/packages.config
+++ b/src/Workspaces/Core/Portable/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="portable-net45+win" />
 </packages>
diff --git a/src/Workspaces/CoreTest/packages.config b/src/Workspaces/CoreTest/packages.config
index 37e4e9f7249..a3584e89d65 100644
--- a/src/Workspaces/CoreTest/packages.config
+++ b/src/Workspaces/CoreTest/packages.config
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
   <package id="Moq" version="4.2.1402.2112" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
diff --git a/src/Workspaces/VisualBasic/Desktop/packages.config b/src/Workspaces/VisualBasic/Desktop/packages.config
index b846beb3b09..29a2d0b15da 100644
--- a/src/Workspaces/VisualBasic/Desktop/packages.config
+++ b/src/Workspaces/VisualBasic/Desktop/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="net45" />
 </packages>
diff --git a/src/Workspaces/VisualBasic/Portable/packages.config b/src/Workspaces/VisualBasic/Portable/packages.config
index ef4c05ad59f..5f9a2173ba1 100644
--- a/src/Workspaces/VisualBasic/Portable/packages.config
+++ b/src/Workspaces/VisualBasic/Portable/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="Microsoft.Composition" version="1.0.27" targetFramework="portable-net45+win" />
 </packages>
diff --git a/src/Workspaces/VisualBasicTest/packages.config b/src/Workspaces/VisualBasicTest/packages.config
index 60d86685d6b..3088a10f32e 100644
--- a/src/Workspaces/VisualBasicTest/packages.config
+++ b/src/Workspaces/VisualBasicTest/packages.config
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Moq" version="4.2.1402.2112" targetFramework="net45" />
-  <package id="System.Collections.Immutable" version="1.1.34-rc" targetFramework="net45" />
   <package id="xunit" version="1.9.2" targetFramework="net45" />
 </packages>
-- 
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