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Commented out code

Reports comments that contain Java code.

Usually, code that is commented out gets outdated very quickly and becomes misleading. As most projects use some kind of version control system, it is better to delete commented out code completely and use the VCS history instead.

Locating this inspection


Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | Java | Code maturity

New in 2020.3

Inspection options

Here you can find the description of settings available for the Commented out code inspection, and the reference of their default values.

Minimum lines of code



By default bundled with

IntelliJ IDEA 2024.1, Qodana for JVM 2024.1,

Can be installed with plugin

Java, 241.18072

Last modified: 18 June 2024