1 files changed, 3 insertions, 46 deletions
diff --git a/lib/irb/cmd/nop.rb b/lib/irb/cmd/nop.rb
index 881a736722..9d2e3c4d47 100644
--- a/lib/irb/cmd/nop.rb
+++ b/lib/irb/cmd/nop.rb
@@ -1,47 +1,4 @@
-# frozen_string_literal: false
-#
-#   nop.rb -
-#   	$Release Version: 0.9.6$
-#   	$Revision$
-#   	by Keiju ISHITSUKA(keiju@ruby-lang.org)
-#
-# --
-#
-#
-#
-module IRB
-  # :stopdoc:
+# frozen_string_literal: true
 
-  module ExtendCommand
-    class Nop
-
-      if RUBY_ENGINE == "ruby" && RUBY_VERSION >= "2.7.0"
-        def self.execute(conf, *opts, **kwargs, &block)
-          command = new(conf)
-          command.execute(*opts, **kwargs, &block)
-        end
-      else
-        def self.execute(conf, *opts, &block)
-          command = new(conf)
-          command.execute(*opts, &block)
-        end
-      end
-
-      def initialize(conf)
-        @irb_context = conf
-      end
-
-      attr_reader :irb_context
-
-      def irb
-        @irb_context.irb
-      end
-
-      def execute(*opts)
-        #nop
-      end
-    end
-  end
-
-  # :startdoc:
-end
+# This file is just a placeholder for backward-compatibility.
+# Please require 'irb' and inherit your command from `IRB::Command::Base` instead.