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Asked: 2026-05-25T11:45:45+00:00

The following using statements in a regular class keeps screaming at me that The

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The following using statements in a regular class keeps screaming at me that “The using directive is not required”.

using System.Collections.Generic;
using System.Linq;
using System.Text;
using System;

Yet if I try to use the DateTime data type intellisense will not pick it up and the compiler complains when I try to build.

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1 Answer

  1. Editorial Team

    You could organize them:

    enter image description here

    Then when you want to use a new type in your code which is not in your usings declarations simply place the cursor over it and Ctrl+Alt+F10+Enter

    This being said, organizing and removing unused usings is not compulsory. This has already been discussed here. It has strictly no difference at runtime nor at the emitted assembly. You should do it only if you are anal about how your source code looks like and have things properly organized. I do it all the time.

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