diff --git a/csharp/src/AddressBook/AddressBook.csproj b/csharp/src/AddressBook/AddressBook.csproj
index 39df2bd..8f8ca7e 100644
--- a/csharp/src/AddressBook/AddressBook.csproj
+++ b/csharp/src/AddressBook/AddressBook.csproj
@@ -41,20 +41,6 @@
     <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseSigned|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\ReleaseSigned</OutputPath>
-    <IntermediateOutputPath>obj\ReleaseSigned\</IntermediateOutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <NoStdLib>true</NoStdLib>
-    <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
-    <Prefer32Bit>false</Prefer32Bit>
-    <SignAssembly>True</SignAssembly>
-    <AssemblyOriginatorKeyFile>C:\keys\Google.Protobuf.snk</AssemblyOriginatorKeyFile>
-  </PropertyGroup>
   <ItemGroup>
     <Reference Include="mscorlib" />
     <Reference Include="System" />
diff --git a/csharp/src/AddressBook/Properties/AssemblyInfo.cs b/csharp/src/AddressBook/Properties/AssemblyInfo.cs
index 65e2f9c..9cb014c 100644
--- a/csharp/src/AddressBook/Properties/AssemblyInfo.cs
+++ b/csharp/src/AddressBook/Properties/AssemblyInfo.cs
@@ -14,16 +14,5 @@
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version 
-//      Build Number
-//      Revision
-//
-// You can specify all the values or you can default the Build and Revision Numbers 
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("2.4.1.555")]
-
-[assembly: AssemblyVersion("3.0.0.1")]
-[assembly: AssemblyFileVersion("3.0.0.1")]
\ No newline at end of file
+[assembly: AssemblyVersion("3.0.0.0")]
+[assembly: AssemblyFileVersion("3.0.0.0")]
diff --git a/csharp/src/Google.Protobuf.JsonDump/Google.Protobuf.JsonDump.csproj b/csharp/src/Google.Protobuf.JsonDump/Google.Protobuf.JsonDump.csproj
index 233bd0a..ede1f77 100644
--- a/csharp/src/Google.Protobuf.JsonDump/Google.Protobuf.JsonDump.csproj
+++ b/csharp/src/Google.Protobuf.JsonDump/Google.Protobuf.JsonDump.csproj
@@ -40,20 +40,6 @@
     <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseSigned|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\ReleaseSigned</OutputPath>
-    <IntermediateOutputPath>obj\ReleaseSigned\</IntermediateOutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <NoStdLib>true</NoStdLib>
-    <GenerateSerializationAssemblies>Off</GenerateSerializationAssemblies>
-    <Prefer32Bit>false</Prefer32Bit>
-    <SignAssembly>True</SignAssembly>
-    <AssemblyOriginatorKeyFile>C:\keys\Google.Protobuf.snk</AssemblyOriginatorKeyFile>
-  </PropertyGroup>
   <ItemGroup>
     <Reference Include="mscorlib" />
     <Reference Include="System" />
diff --git a/csharp/src/Google.Protobuf.JsonDump/Properties/AssemblyInfo.cs b/csharp/src/Google.Protobuf.JsonDump/Properties/AssemblyInfo.cs
index 126db6b..d980b01 100644
--- a/csharp/src/Google.Protobuf.JsonDump/Properties/AssemblyInfo.cs
+++ b/csharp/src/Google.Protobuf.JsonDump/Properties/AssemblyInfo.cs
@@ -15,16 +15,5 @@
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version 
-//      Build Number
-//      Revision
-//
-// You can specify all the values or you can default the Build and Revision Numbers 
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("2.4.1.555")]
-
-[assembly: AssemblyVersion("3.0.0.1")]
-[assembly: AssemblyFileVersion("3.0.0.1")]
\ No newline at end of file
+[assembly: AssemblyVersion("3.0.0.0")]
+[assembly: AssemblyFileVersion("3.0.0.0")]
diff --git a/csharp/src/Google.Protobuf.Test/Google.Protobuf.Test.csproj b/csharp/src/Google.Protobuf.Test/Google.Protobuf.Test.csproj
index 5805f49..d959382 100644
--- a/csharp/src/Google.Protobuf.Test/Google.Protobuf.Test.csproj
+++ b/csharp/src/Google.Protobuf.Test/Google.Protobuf.Test.csproj
@@ -12,8 +12,6 @@
     <AssemblyName>Google.Protobuf.Test</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
-    <SignAssembly>true</SignAssembly>
-    <AssemblyOriginatorKeyFile>..\..\keys\Google.Protobuf.snk</AssemblyOriginatorKeyFile>
     <OldToolsVersion>3.5</OldToolsVersion>
     <TargetFrameworkProfile>
     </TargetFrameworkProfile>
diff --git a/csharp/src/Google.Protobuf.Test/Properties/AssemblyInfo.cs b/csharp/src/Google.Protobuf.Test/Properties/AssemblyInfo.cs
index 197ea80..d00acf8 100644
--- a/csharp/src/Google.Protobuf.Test/Properties/AssemblyInfo.cs
+++ b/csharp/src/Google.Protobuf.Test/Properties/AssemblyInfo.cs
@@ -16,15 +16,5 @@
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version 
-//      Build Number
-//      Revision
-//
-// You can specify all the values or you can default the Build and Revision Numbers 
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("2.4.1.555")]
-
-[assembly: AssemblyVersion("3.0.0.1")]
+[assembly: AssemblyVersion("3.0.0.0")]
+[assembly: AssemblyFileVersion("3.0.0.0")]
diff --git a/csharp/src/Google.Protobuf.sln b/csharp/src/Google.Protobuf.sln
index 85f2bd4..fef7a7f 100644
--- a/csharp/src/Google.Protobuf.sln
+++ b/csharp/src/Google.Protobuf.sln
@@ -33,14 +33,14 @@
 		{A31F5FB2-4FF3-432A-B35B-5CD203606311}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{A31F5FB2-4FF3-432A-B35B-5CD203606311}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{A31F5FB2-4FF3-432A-B35B-5CD203606311}.Release|Any CPU.Build.0 = Release|Any CPU
-		{A31F5FB2-4FF3-432A-B35B-5CD203606311}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
-		{A31F5FB2-4FF3-432A-B35B-5CD203606311}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
+		{A31F5FB2-4FF3-432A-B35B-5CD203606311}.ReleaseSigned|Any CPU.ActiveCfg = Release|Any CPU
+		{A31F5FB2-4FF3-432A-B35B-5CD203606311}.ReleaseSigned|Any CPU.Build.0 = Release|Any CPU
 		{D7282E99-2DC3-405B-946F-177DB2FD2AE2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{D7282E99-2DC3-405B-946F-177DB2FD2AE2}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{D7282E99-2DC3-405B-946F-177DB2FD2AE2}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{D7282E99-2DC3-405B-946F-177DB2FD2AE2}.Release|Any CPU.Build.0 = Release|Any CPU
-		{D7282E99-2DC3-405B-946F-177DB2FD2AE2}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
-		{D7282E99-2DC3-405B-946F-177DB2FD2AE2}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
+		{D7282E99-2DC3-405B-946F-177DB2FD2AE2}.ReleaseSigned|Any CPU.ActiveCfg = Release|Any CPU
+		{D7282E99-2DC3-405B-946F-177DB2FD2AE2}.ReleaseSigned|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/csharp/src/Google.Protobuf/Google.Protobuf.csproj b/csharp/src/Google.Protobuf/Google.Protobuf.csproj
index 2784d9b..8a19067 100644
--- a/csharp/src/Google.Protobuf/Google.Protobuf.csproj
+++ b/csharp/src/Google.Protobuf/Google.Protobuf.csproj
@@ -14,8 +14,6 @@
     <TargetFrameworkProfile>Profile259</TargetFrameworkProfile>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
-    <SignAssembly>true</SignAssembly>
-    <AssemblyOriginatorKeyFile>..\..\keys\Google.Protobuf.snk</AssemblyOriginatorKeyFile>
     <OldToolsVersion>3.5</OldToolsVersion>
     <MinimumVisualStudioVersion>10.0</MinimumVisualStudioVersion>
   </PropertyGroup>
@@ -27,7 +25,7 @@
     <IntermediateOutputPath>obj\Debug\</IntermediateOutputPath>
     <DocumentationFile>bin\Debug\Google.Protobuf.xml</DocumentationFile>
     <NoWarn>1591, 1570, 1571, 1572, 1573, 1574</NoWarn>
-    <DefineConstants>DEBUG;TRACE;$(EnvironmentFlavor);$(EnvironmentTemplate)</DefineConstants>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <NoStdLib>true</NoStdLib>
@@ -40,7 +38,7 @@
     <IntermediateOutputPath>obj\Release\</IntermediateOutputPath>
     <DocumentationFile>$(OutputPath)\$(AssemblyName).xml</DocumentationFile>
     <NoWarn>1591, 1570, 1571, 1572, 1573, 1574</NoWarn>
-    <DefineConstants>TRACE;$(EnvironmentFlavor);$(EnvironmentTemplate)</DefineConstants>
+    <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <NoStdLib>true</NoStdLib>
@@ -53,7 +51,7 @@
     <IntermediateOutputPath>obj\ReleaseSigned\</IntermediateOutputPath>
     <DocumentationFile>$(OutputPath)\$(AssemblyName).xml</DocumentationFile>
     <NoWarn>1591, 1570, 1571, 1572, 1573, 1574</NoWarn>
-    <DefineConstants>TRACE;$(EnvironmentFlavor);$(EnvironmentTemplate);SIGNED</DefineConstants>
+    <DefineConstants>TRACE;SIGNED</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <NoStdLib>true</NoStdLib>
diff --git a/csharp/src/Google.Protobuf/Google.Protobuf.nuspec b/csharp/src/Google.Protobuf/Google.Protobuf.nuspec
index 1f50262..228457a 100644
--- a/csharp/src/Google.Protobuf/Google.Protobuf.nuspec
+++ b/csharp/src/Google.Protobuf/Google.Protobuf.nuspec
@@ -23,7 +23,6 @@
 	<file src="..\..\..\cmake\Release\protoc.exe" target="tools" />
 	<file src="..\..\..\src\google\protobuf\any.proto" target="tools\google\protobuf" />
 	<file src="..\..\..\src\google\protobuf\api.proto" target="tools\google\protobuf" />
-	<file src="..\..\..\src\google\protobuf\descriptor.proto" target="tools\google\protobuf" />
 	<file src="..\..\..\src\google\protobuf\duration.proto" target="tools\google\protobuf" />
 	<file src="..\..\..\src\google\protobuf\empty.proto" target="tools\google\protobuf" />
 	<file src="..\..\..\src\google\protobuf\field_mask.proto" target="tools\google\protobuf" />
@@ -33,6 +32,5 @@
 	<file src="..\..\..\src\google\protobuf\any.proto" target="tools\google\protobuf" />
 	<file src="..\..\..\src\google\protobuf\type.proto" target="tools\google\protobuf" />
 	<file src="..\..\..\src\google\protobuf\wrappers.proto" target="tools\google\protobuf" />
-	<file src="..\..\..\src\google\protobuf\compiler\plugin.proto" target="tools\google\protobuf\compiler\plugin.proto" />
   </files>
 </package>
diff --git a/csharp/src/Google.Protobuf/Properties/AssemblyInfo.cs b/csharp/src/Google.Protobuf/Properties/AssemblyInfo.cs
index c1bca8d..73a78b0 100644
--- a/csharp/src/Google.Protobuf/Properties/AssemblyInfo.cs
+++ b/csharp/src/Google.Protobuf/Properties/AssemblyInfo.cs
@@ -46,19 +46,6 @@
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version 
-//      Build Number
-//      Revision
-//
-// You can specify all the values or you can default the Build and Revision Numbers 
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("2.4.1.555")]
-
-[assembly: AssemblyVersion("2.4.1.555")]
-
 #if SIGNED
 [assembly: InternalsVisibleTo("Google.Protobuf.Test, PublicKey=" +
     "002400000480000094000000060200000024000052534131000400000100010025800fbcfc63a1" +
@@ -70,7 +57,6 @@
 [assembly: InternalsVisibleTo("Google.Protobuf.Test")]
 #endif
 
-#if !NOFILEVERSION
-[assembly: AssemblyFileVersion("3.0.0.1")]
-#endif
-
+[assembly: AssemblyVersion("3.0.0.0")]
+[assembly: AssemblyFileVersion("3.0.0.0")]
+[assembly: AssemblyInformationalVersion("3.0.0-alpha4")]