1 files changed, 0 insertions, 60 deletions
diff --git a/lib/irb/command/show_doc.rb b/lib/irb/command/show_doc.rb
deleted file mode 100644
index 4dde28bee9..0000000000
--- a/lib/irb/command/show_doc.rb
+++ /dev/null
@@ -1,60 +0,0 @@
-# frozen_string_literal: true
-
-module IRB
-  module Command
-    class ShowDoc < Base
-      class << self
-        def transform_args(args)
-          # Return a string literal as is for backward compatibility
-          if args.empty? || string_literal?(args)
-            args
-          else # Otherwise, consider the input as a String for convenience
-            args.strip.dump
-          end
-        end
-      end
-
-      category "Context"
-      description "Look up documentation with RI."
-
-      help_message <<~HELP_MESSAGE
-        Usage: show_doc [name]
-
-        When name is provided, IRB will look up the documentation for the given name.
-        When no name is provided, a RI session will be started.
-
-        Examples:
-
-          show_doc
-          show_doc Array
-          show_doc Array#each
-
-      HELP_MESSAGE
-
-      def execute(*names)
-        require 'rdoc/ri/driver'
-
-        unless ShowDoc.const_defined?(:Ri)
-          opts = RDoc::RI::Driver.process_args([])
-          ShowDoc.const_set(:Ri, RDoc::RI::Driver.new(opts))
-        end
-
-        if names.empty?
-          Ri.interactive
-        else
-          names.each do |name|
-            begin
-              Ri.display_name(name.to_s)
-            rescue RDoc::RI::Error
-              puts $!.message
-            end
-          end
-        end
-
-        nil
-      rescue LoadError, SystemExit
-        warn "Can't display document because `rdoc` is not installed."
-      end
-    end
-  end
-end