Redundant '?: return null'

Reports redundant ?: return null

fun foo(): Int? {
    ...
}

fun test() : Int? {
    return foo() ?: return null
}

fun foo(): Int? {
    ...
}

fun test() : Int? {
    return foo()
}

Locating this inspection

By ID

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

RedundantElvisReturnNull

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

Inspection Details
By default bundled with:	IntelliJ IDEA 2024.3, Qodana for JVM 2024.3,
Can be installed with plugin:	Kotlin, 243.23126-IJ