How to Remove Unused Code

1) Install Roslynator.DotNet.Cli

dotnet tool install -g roslynator.dotnet.cli

2) Run find-symbol command

Following command will find and remove types (classes, structs etc.) with internal or private visibility skipping types that are marked with Obsolete attribute:

roslynator find-symbol --symbol-kind type --unused --remove --without-attribute System.ObsoleteAttribute