Unreachable code

Reports unreachable code that will never be executed in any control flow and can be safely removed.

Example:

def largest_number(x, y)
  if x > y
    return x
  else
    return y
  end
  puts 'The largest number is ' + x #unreachable code
end

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.

RubyDeadCode

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 | Ruby | Data flow

Inspection Details
By default bundled with:	Qodana for Ruby 2025.1, RubyMine 2025.1,
Can be installed with plugin:	Ruby, 251.24752

01 April 2025