diff --git a/src/DotVVM.Core/DotVVM.Core.csproj b/src/DotVVM.Core/DotVVM.Core.csproj
index 8b8a521760..30ce305728 100644
--- a/src/DotVVM.Core/DotVVM.Core.csproj
+++ b/src/DotVVM.Core/DotVVM.Core.csproj
@@ -34,8 +34,8 @@
     <PackageReference Include="System.Linq.Queryable" Version="4.3.0" />
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System" />
+    <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
   <PropertyGroup Condition=" '$(TargetFramework)' == 'netstandard1.6' ">
diff --git a/src/DotVVM.Framework.Hosting.AspNetCore/DotVVM.Framework.Hosting.AspNetCore.csproj b/src/DotVVM.Framework.Hosting.AspNetCore/DotVVM.Framework.Hosting.AspNetCore.csproj
index 53182b06c6..ed072eacfa 100644
--- a/src/DotVVM.Framework.Hosting.AspNetCore/DotVVM.Framework.Hosting.AspNetCore.csproj
+++ b/src/DotVVM.Framework.Hosting.AspNetCore/DotVVM.Framework.Hosting.AspNetCore.csproj
@@ -47,8 +47,6 @@
     <PackageReference Include="Microsoft.AspNetCore.Localization" Version="2.0.0" />
     <PackageReference Include="Microsoft.Extensions.Localization" Version="2.0.0" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.6' ">
-  </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
     <Reference Include="System" />
     <Reference Include="Microsoft.CSharp" />
diff --git a/src/DotVVM.Framework/DotVVM.Framework.csproj b/src/DotVVM.Framework/DotVVM.Framework.csproj
index beaaa0051c..9911528f29 100644
--- a/src/DotVVM.Framework/DotVVM.Framework.csproj
+++ b/src/DotVVM.Framework/DotVVM.Framework.csproj
@@ -75,23 +75,23 @@
     <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' ">
-    <PackageReference Include="System.Collections.Specialized" Version="4.0.1" />
-    <PackageReference Include="System.Diagnostics.Contracts" Version="4.0.1" />
-    <PackageReference Include="System.Diagnostics.Process" Version="4.1.0" />
-    <PackageReference Include="System.Diagnostics.StackTrace" Version="4.0.1" />
-    <PackageReference Include="System.Runtime.Loader" Version="4.0.0" />
-    <PackageReference Include="System.Security.Claims" Version="4.0.1" />
-    <PackageReference Include="System.Threading.Thread" Version="4.0.0" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="1.3.2" />
+    <PackageReference Include="System.Collections.Specialized" Version="4.3.0" />
+    <PackageReference Include="System.Diagnostics.Contracts" Version="4.3.0" />
+    <PackageReference Include="System.Diagnostics.Process" Version="4.3.0" />
+    <PackageReference Include="System.Diagnostics.StackTrace" Version="4.3.0" />
+    <PackageReference Include="System.Runtime.Loader" Version="4.3.0" />
+    <PackageReference Include="System.Security.Claims" Version="4.3.0" />
+    <PackageReference Include="System.Threading.Thread" Version="4.3.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="2.3.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyModel" Version="2.0.0" />
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="1.0.0" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="1.0.0" />
     <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.ComponentModel.DataAnnotations" />
+    <Reference Include="Microsoft.CSharp" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="1.0.0" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="1.0.0" />
   </ItemGroup>
   <ItemGroup>
     <None Update="Controls\DelegateTemplate.d.ts">
diff --git a/src/DotVVM.Samples.ApplicationInsights.AspNetCore/DotVVM.Samples.ApplicationInsights.AspNetCore.csproj b/src/DotVVM.Samples.ApplicationInsights.AspNetCore/DotVVM.Samples.ApplicationInsights.AspNetCore.csproj
index 4f6293806e..c44b4323fa 100644
--- a/src/DotVVM.Samples.ApplicationInsights.AspNetCore/DotVVM.Samples.ApplicationInsights.AspNetCore.csproj
+++ b/src/DotVVM.Samples.ApplicationInsights.AspNetCore/DotVVM.Samples.ApplicationInsights.AspNetCore.csproj
@@ -12,16 +12,14 @@
 	</ItemGroup>
 	<ItemGroup>
 		<PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.1.1" />
-		<PackageReference Include="Microsoft.AspNetCore" Version="1.0.3" />
-		<PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="1.1.0" />
+		<PackageReference Include="Microsoft.AspNetCore" Version="2.0.0" />
+		<PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="2.0.0" />
 	</ItemGroup>
   <ItemGroup>
     <DotNetCliToolReference Include="DotVVM.Compiler.Light" Version="1.1.0.1" />
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\DotVVM.Core\DotVVM.Core.csproj" />
     <ProjectReference Include="..\DotVVM.Framework.Hosting.AspNetCore\DotVVM.Framework.Hosting.AspNetCore.csproj" />
-    <ProjectReference Include="..\DotVVM.Framework\DotVVM.Framework.csproj" />
     <ProjectReference Include="..\DotVVM.Tracing.ApplicationInsights.AspNetCore\DotVVM.Tracing.ApplicationInsights.AspNetCore.csproj" />
   </ItemGroup>
   <ItemGroup>
diff --git a/src/DotVVM.Samples.BasicSamples.AspNetCore/DotVVM.Samples.BasicSamples.AspNetCore.csproj b/src/DotVVM.Samples.BasicSamples.AspNetCore/DotVVM.Samples.BasicSamples.AspNetCore.csproj
index fb92f20f01..4c8139b23e 100644
--- a/src/DotVVM.Samples.BasicSamples.AspNetCore/DotVVM.Samples.BasicSamples.AspNetCore.csproj
+++ b/src/DotVVM.Samples.BasicSamples.AspNetCore/DotVVM.Samples.BasicSamples.AspNetCore.csproj
@@ -8,10 +8,8 @@
     <Folder Include="wwwroot\" />
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\DotVVM.Framework\DotVVM.Framework.csproj" />
     <ProjectReference Include="..\DotVVM.Framework.Hosting.AspNetCore\DotVVM.Framework.Hosting.AspNetCore.csproj" />
     <ProjectReference Include="..\DotVVM.Samples.Common\DotVVM.Samples.Common.csproj" />
-    <ProjectReference Include="..\DotVVM.Core\DotVVM.Core.csproj" />
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Authentication.Cookies" Version="2.0.0" />
@@ -21,9 +19,8 @@
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="2.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="2.0.0" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net461' ">
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
+  <ItemGroup>
+    <DotNetCliToolReference Include="DotVVM.Compiler.Light" Version="1.1.0.1" />
   </ItemGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
     <DefineConstants>$(DefineConstants);RELEASE</DefineConstants>
diff --git a/src/DotVVM.Samples.Common/DotVVM.Samples.Common.csproj b/src/DotVVM.Samples.Common/DotVVM.Samples.Common.csproj
index 92cb03604c..3204124b0f 100644
--- a/src/DotVVM.Samples.Common/DotVVM.Samples.Common.csproj
+++ b/src/DotVVM.Samples.Common/DotVVM.Samples.Common.csproj
@@ -61,11 +61,10 @@
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
     <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.ComponentModel.DataAnnotations" />
+    <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\DotVVM.Core\DotVVM.Core.csproj" />
     <ProjectReference Include="..\DotVVM.Framework\DotVVM.Framework.csproj" />
   </ItemGroup>
   <PropertyGroup Label="Configuration">
diff --git a/src/DotVVM.Samples.MiniProfiler.AspNetCore/DotVVM.Samples.MiniProfiler.AspNetCore.csproj b/src/DotVVM.Samples.MiniProfiler.AspNetCore/DotVVM.Samples.MiniProfiler.AspNetCore.csproj
index fd2652a265..3275003c12 100644
--- a/src/DotVVM.Samples.MiniProfiler.AspNetCore/DotVVM.Samples.MiniProfiler.AspNetCore.csproj
+++ b/src/DotVVM.Samples.MiniProfiler.AspNetCore/DotVVM.Samples.MiniProfiler.AspNetCore.csproj
@@ -13,7 +13,6 @@
 		<PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="2.0.0" />
 		<PackageReference Include="Microsoft.Extensions.Caching.Abstractions" Version="2.0.0" />
 		<PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="2.0.0" />
-		<PackageReference Include="MiniProfiler.AspNetCore" Version="4.0.0-alpha7-142" />
 		<PackageReference Include="MiniProfiler.EntityFrameworkCore" Version="4.0.0-alpha7-142" />
 	</ItemGroup>
   <ItemGroup>
@@ -21,7 +20,6 @@
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\DotVVM.Framework.Hosting.AspNetCore\DotVVM.Framework.Hosting.AspNetCore.csproj" />
-    <ProjectReference Include="..\DotVVM.Framework\DotVVM.Framework.csproj" />
     <ProjectReference Include="..\DotVVM.Tracing.MiniProfiler.AspNetCore\DotVVM.Tracing.MiniProfiler.AspNetCore.csproj" />
   </ItemGroup>
 </Project>
diff --git a/src/DotVVM.Tracing.ApplicationInsights.AspNetCore/DotVVM.Tracing.ApplicationInsights.AspNetCore.csproj b/src/DotVVM.Tracing.ApplicationInsights.AspNetCore/DotVVM.Tracing.ApplicationInsights.AspNetCore.csproj
index 97ef8972dd..3f589f7ed3 100644
--- a/src/DotVVM.Tracing.ApplicationInsights.AspNetCore/DotVVM.Tracing.ApplicationInsights.AspNetCore.csproj
+++ b/src/DotVVM.Tracing.ApplicationInsights.AspNetCore/DotVVM.Tracing.ApplicationInsights.AspNetCore.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <AssemblyTitle>DotVVM.Tracing.ApplicationInsights.AspNetCore</AssemblyTitle>
     <VersionPrefix>1.1.6</VersionPrefix>
-    <TargetFrameworks>netstandard2.0;net451</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0</TargetFrameworks>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <AssemblyOriginatorKeyFile>dotvvmwizard.snk</AssemblyOriginatorKeyFile>