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Unnecessary 'sealed' modifier

Reports unnecessary sealed modifiers which used on methods, fields, or variables.

This modifier has effect only on classes, interfaces and traits.


sealed boolean foo() {} // modifier is unnecessary sealed Object bar // modifier is unnecessary // modifier is required and therefore not highlighted sealed class A {}

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 | Groovy | Style


By default bundled with

IntelliJ IDEA 2024.1, Qodana for JVM 2024.1,

Can be installed with plugin

Groovy, 241.18072

Last modified: 18 June 2024