diff --git a/Library/Homebrew/dev-cmd/rubocop.rb b/Library/Homebrew/dev-cmd/rubocop.rb
index 1919994708..aa33151bb9 100644
--- a/Library/Homebrew/dev-cmd/rubocop.rb
+++ b/Library/Homebrew/dev-cmd/rubocop.rb
@@ -2,18 +2,18 @@
 # frozen_string_literal: true
 
 require "abstract_command"
+require "shell_command"
 
 module Homebrew
-  module Cmd
+  module DevCmd
     class Rubocop < AbstractCommand
+      include ShellCommand
+
       cmd_args do
         description <<~EOS
           Installs, configures and runs Homebrew's `rubocop`.
         EOS
       end
-
-      sig { override.void }
-      def run = raise_sh_command_error!
     end
   end
 end