1 files changed, 0 insertions, 51 deletions
diff --git a/lib/irb/command/show_doc.rb b/lib/irb/command/show_doc.rb
deleted file mode 100644
index 8a2188e4eb..0000000000
--- a/lib/irb/command/show_doc.rb
+++ /dev/null
@@ -1,51 +0,0 @@
-# frozen_string_literal: true
-
-module IRB
-  module Command
-    class ShowDoc < Base
-      include RubyArgsExtractor
-
-      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(arg)
-        # Accept string literal for backward compatibility
-        name = unwrap_string_literal(arg)
-        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 name.nil?
-          Ri.interactive
-        else
-          begin
-            Ri.display_name(name)
-          rescue RDoc::RI::Error
-            puts $!.message
-          end
-        end
-
-        nil
-      rescue LoadError, SystemExit
-        warn "Can't display document because `rdoc` is not installed."
-      end
-    end
-  end
-end