diff --git a/.editorconfig b/.editorconfig
index 39e87f8d..aa0ea6b3 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -76,5 +76,4 @@ dotnet_naming_symbols.public_constant_static_fields.required_modifiers = const,
 dotnet_naming_style.pascal_case.capitalization = pascal_case
 
 dotnet_sort_system_directives_first = true
-dotnet_style_require_accessibility_modifiers = always:error
-
+dotnet_style_require_accessibility_modifiers = for_non_interface_members:error
diff --git a/sample/AppConfigDemo/App.config b/sample/AppConfigDemo/App.config
index 39b41390..5832773a 100644
--- a/sample/AppConfigDemo/App.config
+++ b/sample/AppConfigDemo/App.config
@@ -3,9 +3,6 @@
   <configSections>
     <section name="MSSqlServerSettingsSection" type="Serilog.Configuration.MSSqlServerConfigurationSection, Serilog.Sinks.MSSqlServer" />
   </configSections>
-  <startup>
-    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" />
-  </startup>
   <MSSqlServerSettingsSection>
 
     <BatchPostingLimit Value="13" />
diff --git a/sample/AppConfigDemo/AppConfigDemo.csproj b/sample/AppConfigDemo/AppConfigDemo.csproj
index 5d6579f1..9dd1304e 100644
--- a/sample/AppConfigDemo/AppConfigDemo.csproj
+++ b/sample/AppConfigDemo/AppConfigDemo.csproj
@@ -1,71 +1,9 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{6BFE1D21-1442-4375-AB69-14160B906A64}</ProjectGuid>
+    <TargetFramework>net462</TargetFramework>
     <OutputType>Exe</OutputType>
-    <RootNamespace>AppConfigDemo</RootNamespace>
-    <AssemblyName>AppConfigDemo</AssemblyName>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
-    <Deterministic>true</Deterministic>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="Microsoft.Extensions.Configuration.Abstractions" />
-    <Reference Include="Microsoft.Extensions.Primitives" />
-    <Reference Include="mscorlib" />
-    <Reference Include="Serilog" />
-    <Reference Include="System" />
-    <Reference Include="System.Buffers" />
-    <Reference Include="System.Core" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Diagnostics.DiagnosticSource" />
-    <Reference Include="System.Memory" />
-    <Reference Include="System.Numerics" />
-    <Reference Include="System.Numerics.Vectors" />
-    <Reference Include="System.Runtime.CompilerServices.Unsafe" />
-    <Reference Include="System.Threading.Channels" />
-    <Reference Include="System.Threading.Tasks.Extensions" />
-    <Reference Include="System.ValueTuple" />
-    <Reference Include="System.Xml" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="Program.cs" />
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="App.config" />
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\..\src\Serilog.Sinks.MSSqlServer\Serilog.Sinks.MSSqlServer.csproj">
-      <Project>{803cd13a-d54b-4cec-a55f-e22ae3d93b3c}</Project>
-      <Name>Serilog.Sinks.MSSqlServer</Name>
-    </ProjectReference>
-  </ItemGroup>
   <ItemGroup>
-    <Folder Include="Properties\" />
+    <ProjectReference Include="..\..\src\Serilog.Sinks.MSSqlServer\Serilog.Sinks.MSSqlServer.csproj" />
   </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>