diff --git a/.gitattributes b/.gitattributes
index 40f5f7c..7f7b718 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -10,5 +10,3 @@
 /multifactorauthforeveryone.png export-ignore
 /phpstan.neon export-ignore
 /phpunit.xml export-ignore
-/TwoFactorAuth.phpproj export-ignore
-/TwoFactorAuth.sln export-ignore
diff --git a/TwoFactorAuth.phpproj b/TwoFactorAuth.phpproj
deleted file mode 100644
index 2a55b72..0000000
--- a/TwoFactorAuth.phpproj
+++ /dev/null
@@ -1,69 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Name>TwoFactorAuth</Name>
-    <ProjectGuid>{e569f53a-a604-4579-91ce-4e35b27da47b}</ProjectGuid>
-    <RootNamespace>TwoFactorAuth</RootNamespace>
-    <OutputType>Library</OutputType>
-    <ProjectTypeGuids>{A0786B88-2ADB-4C21-ABE8-AA2D79766269}</ProjectTypeGuids>
-    <SaveServerSettingsInUserFile>False</SaveServerSettingsInUserFile>
-    <Server>PHPDev</Server>
-    <PublishEvent>None</PublishEvent>
-    <PHPDevAutoPort>True</PHPDevAutoPort>
-    <PHPDevPort>41315</PHPDevPort>
-    <PHPDevHostName>localhost</PHPDevHostName>
-    <IISProjectUrl>http://localhost:41315/</IISProjectUrl>
-    <Runtime>PHP</Runtime>
-    <RuntimeVersion>8.1</RuntimeVersion>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
-    <IncludeDebugInformation>true</IncludeDebugInformation>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
-    <IncludeDebugInformation>false</IncludeDebugInformation>
-  </PropertyGroup>
-  <ItemGroup>
-    <Compile Include="demo\demo.php" />
-    <Compile Include="demo\loader.php" />
-    <Compile Include="lib\Providers\Qr\BaseHTTPQRCodeProvider.php" />
-    <Compile Include="lib\Providers\Qr\ImageChartsQRCodeProvider.php" />
-    <Compile Include="lib\Providers\Qr\IQRCodeProvider.php" />
-    <Compile Include="lib\Providers\Qr\QRException.php" />
-    <Compile Include="lib\Providers\Qr\QRicketProvider.php" />
-    <Compile Include="lib\Providers\Qr\QRServerProvider.php" />
-    <Compile Include="lib\Providers\Rng\CSRNGProvider.php" />
-    <Compile Include="lib\Providers\Rng\IRNGProvider.php" />
-    <Compile Include="lib\Providers\Rng\OpenSSLRNGProvider.php" />
-    <Compile Include="lib\Providers\Rng\HashRNGProvider.php" />
-    <Compile Include="lib\Providers\Rng\RNGException.php" />
-    <Compile Include="lib\Providers\Time\HttpTimeProvider.php" />
-    <Compile Include="lib\Providers\Time\ITimeProvider.php" />
-    <Compile Include="lib\Providers\Time\LocalMachineTimeProvider.php" />
-    <Compile Include="lib\Providers\Time\NTPTimeProvider.php" />
-    <Compile Include="lib\Providers\Time\TimeException.php" />
-    <Compile Include="lib\TwoFactorAuth.php" />
-    <Compile Include=".gitignore" />
-    <Compile Include="README.md" />
-    <Compile Include="lib\TwoFactorAuthException.php" />
-    <Compile Include="tests\TwoFactorAuthTest.php" />
-  </ItemGroup>
-  <ItemGroup>
-    <Folder Include="lib\" />
-    <Folder Include="lib\Providers\" />
-    <Folder Include="lib\Providers\Time\" />
-    <Folder Include="lib\Providers\Qr\" />
-    <Folder Include="lib\Providers\Rng\" />
-    <Folder Include="demo\" />
-    <Folder Include="tests\" />
-  </ItemGroup>
-  <ItemGroup>
-    <Content Include=".travis.yml" />
-    <Content Include="composer.json" />
-    <Content Include="composer.lock" />
-    <Content Include="logo.png" />
-    <Content Include="multifactorauthforeveryone.png" />
-    <Content Include="LICENSE" />
-    <Content Include="phpunit.xml" />
-  </ItemGroup>
-</Project>
diff --git a/TwoFactorAuth.sln b/TwoFactorAuth.sln
deleted file mode 100644
index df901f6..0000000
--- a/TwoFactorAuth.sln
+++ /dev/null
@@ -1,22 +0,0 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 2013
-VisualStudioVersion = 12.0.30723.0
-MinimumVisualStudioVersion = 10.0.40219.1
-Project("{A0786B88-2ADB-4C21-ABE8-AA2D79766269}") = "TwoFactorAuth", "TwoFactorAuth.phpproj", "{E569F53A-A604-4579-91CE-4E35B27DA47B}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
-		Release|Any CPU = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{E569F53A-A604-4579-91CE-4E35B27DA47B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{E569F53A-A604-4579-91CE-4E35B27DA47B}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{E569F53A-A604-4579-91CE-4E35B27DA47B}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{E569F53A-A604-4579-91CE-4E35B27DA47B}.Release|Any CPU.Build.0 = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-EndGlobal