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Property is explicitly assigned to constructor parameter

Reports properties that are explicitly assigned to primary constructor parameters.

Properties can be declared directly in the primary constructor, reducing the amount of code and increasing code readability.


class User(name: String) { val name = name }

The quick-fix joins the parameter and property declaration into a primary constructor parameter:

class User(val name: String) { }

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 | Kotlin | Redundant constructs


By default bundled with

IntelliJ IDEA 2024.1, Qodana for JVM 2024.1,

Can be installed with plugin

Kotlin, 241.18072-IJ

Last modified: 18 June 2024