C# Code Cleanup

Systematically identify and remove dead code, update deprecated APIs, and apply modern C# patterns to maintain a clean, maintainable codebase.

When to Use This Skill

Use this skill when you need to:

• Remove unused using directives and dead code
• Update deprecated .NET API usage
• Apply modern C# features (6.0+)
• Fix ReSharper/Rider warnings
• Modernize async/await patterns
• Optimize LINQ usage
• Clean up before code review

Trigger phrases: "cleanup C#", "remove dead code C#", "modernize C#", "fix ReSharper", ".NET refactor", "cleanup dotnet"

What This Skill Does