How to "automatically" remove unused units from uses clause?

Does anyone know about a utility, that can automatically detect and remove unrequired units from the uses clause?

Preferably it ..

• can be run against a unit and/or a project
• is free and works wi开发者_StackOverflowth Delphi 2010

Thanks in advance.

Try using the "Uses Unit Cleaner" Wizard from CnPack you can download from here

Another option is use ICARUS.

ICARUS is a small subset of Pascal Analyzer. It parses Delphi or Borland Pascal source code and generates a list of unneeded unit references in your uses lists

ICARUS from Peganza does something similar.