This is an excerpt from: Rock Your Code: Code and App Performance for Microsoft .NET
This series of articles explores essential tips to integrate into your coding practices consistently. While these tips may appear incremental, their cumulative impact becomes pronounced, especially when dealing with high message volumes. Embracing these fundamental practices can yield substantial benefits for overall performance.
Optimizing Namespace Imports in Your Codebase
Before we even touch the code, let’s clean house. Incorporating unnecessary using statements that import redundant namespaces in your code can hinder the creation of a type. To address this, go to each class in the project, right-click, and select Remove and Sort Usings, or utilize the keyboard shortcuts Ctrl+R, Ctrl+G. Alternatively, you can employ the CodeRush refactoring tool (freely available from DevExpress) to automatically clean up using statements when saving the file.
Optimizing Project Dependencies and Enhancing Performance
After cleaning up namespaces inside the code, the next step is cleaning up the dependencies that surround it.
If your project incorporates NuGet packages that are no longer referenced or used, it can lead to performance issues and result in larger installs and deployments. To address this, it is crucial to eliminate these unused references.
Before executing this task, make sure to also remove any unused using statements. In Visual Studio 2026, right-click on the project and select Remove Unused References. This step helps optimize your project by reducing unnecessary dependencies, contributing to improved performance, and streamlining deployments.
Visual Studio will build the solution, and a window will appear as depicted below, if there are unused references. Click Remove to initiate the removal of the references
I strongly recommend creating a comprehensive backup of the source before proceeding with this step. You can utilize the Spargine Dev Tool to efficiently generate a backup of your code.
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