diff --git a/CSharpSourceBuilder.TestApplication/CSharpSourceBuilder.TestApplication.csproj b/CSharpSourceBuilder.TestApplication/CSharpSourceBuilder.TestApplication.csproj
deleted file mode 100644
index 2fc683e..0000000
--- a/CSharpSourceBuilder.TestApplication/CSharpSourceBuilder.TestApplication.csproj
+++ /dev/null
@@ -1,15 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <OutputType>Exe</OutputType>
-    <TargetFramework>net9.0</TargetFramework>
-    <LangVersion>preview</LangVersion>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\Lyra\Lyra.csproj" OutputItemType="analyzer" ReferenceOutputAssembly="false" />
-  </ItemGroup>
-
-</Project>
diff --git a/CSharpSourceBuilder.TestApplication/Program.cs b/CSharpSourceBuilder.TestApplication/Program.cs
deleted file mode 100644
index be6129a..0000000
--- a/CSharpSourceBuilder.TestApplication/Program.cs
+++ /dev/null
@@ -1,4 +0,0 @@
-// See https://aka.ms/new-console-template for more information
-
-using RhoMicro.CodeAnalysis;
-
diff --git a/RhoMicro.CodeAnalysis.slnx b/RhoMicro.CodeAnalysis.slnx
index 40817fd..bb16803 100644
--- a/RhoMicro.CodeAnalysis.slnx
+++ b/RhoMicro.CodeAnalysis.slnx
@@ -1,6 +1,5 @@
 <Solution>
   <Folder Name="/Applications/">
-    <Project Path="CSharpSourceBuilder.TestApplication\CSharpSourceBuilder.TestApplication.csproj" />
     <Project Path="DslGenerator.TestApp/DslGenerator.TestApp.csproj" />
     <Project Path="EnumStringTestApp/EnumStringTestApp.csproj" />
     <Project Path="IndentedStringBuilderTestApp/IndentedStringBuilderTestApp.csproj" />