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Discover the built-in method to remove unused `using` statements in Visual Studio 2019 without sorting. Learn this quick technique today!
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How to Remove Unused using Statements in Visual Studio 2019 Without Sorting

When working on a C# project in Visual Studio 2019, managing your code’s readability and cleanliness is essential. One common issue developers encounter is the presence of unused using statements. While you might want to tidy up your code by removing these unnecessary references, you may also prefer not to alter their order—this is particularly relevant for developers who value the organization or structure that certain using statements provide.

In this guide, we will explore a built-in method to remove these unused using statements without the need for extensions or Power Tools while maintaining their original order.

Understanding the Problem

What are Unused using Statements?

In C# , using statements are typically used to include namespaces in your files. However, when a namespace is no longer needed—perhaps due to code refactoring or removed dependencies—those using statements become unnecessary. Cleaning up these extraneous lines not only helps with maintaining the code but also improves compilation speed and reduces clutter.

Why Avoid Sorting?

While Visual Studio provides options to both remove and sort using statements together, some developers may prefer to manually manage the order of their namespaces for better organization. Hence, a method is needed to remove unused references while keeping the order intact.

The Solution: Removing Unused using Statements in Visual Studio 2019

Step-by-Step Guide

Access the Context Menu:

Open your C# file in Visual Studio 2019 where you want to clean up the using statements.

Use the Quick Actions and Refactorings Command:

Instead of selecting the ‘Remove and Sort Usings’ option from the right-click context menu, use the keyboard shortcut Ctrl + . (Control key plus the period key).

This command opens the Quick Actions and Refactorings menu.

Select the Appropriate Action:

From the list that appears, click on Remove Unnecessary Usings.

This action removes all unused using statements without altering their order.

Benefits of This Approach

No Need for Extensions: This method leverages Visual Studio's built-in functionality, eliminating dependency on third-party tools or extensions.

Preserved Order: You maintain the organization of your code as the remaining using statements’ order stays intact.

Quick and Efficient: It’s a quick command that saves you from manually deleting unused namespaces one by one.

Conclusion

Cleaning up your codebase is an essential part of effective software development. With Visual Studio 2019, it’s easy to remove unused using statements while keeping your desired order. By utilizing the Quick Actions and Refactorings feature, you can ensure your code remains clear and organized, enhancing overall readability and maintainability.

This simple but effective technique can help streamline your coding process, ensuring that your workspace remains tidy and efficient.

For developers who seek both cleanliness and control over their coding environment, this built-in function in Visual Studio 2019 is a must-know.