Redundant nullable return type

Reports functions and variables with nullable return type which never return or become null.

Example:

fun greeting(user: String): String? = "Hello, $user!"

After the quick-fix is applied:

fun greeting(user: String): String = "Hello, $user!"

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.

RedundantNullableReturnType

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

Last modified: 03 December 2024