Inspectopedia 2025.2 Help

Unused type alias

Reports type aliases that are unused within the project.

A quick fix is available to remove the unused type alias.

Example:

# Type alias 'example' is unused type example = untyped

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.

RbsUnusedTypeAlias
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 | RBS | Data flow

Inspection ID: RbsUnusedTypeAlias

Suppressing Inspection

You can suppress this inspection by placing the following comment marker before the code fragment where you no longer want messages from this inspection to appear:

//noinspection RbsUnusedTypeAlias

More detailed instructions as well as other ways and options that you have can be found in the product documentation:

Inspection Details

By default bundled with:

Qodana for Ruby 2025.2, RubyMine 2025.2,

Last modified: 18 September 2025