diff --git a/lib/prism/translation/parser/rubocop.rb b/lib/prism/translation/parser/rubocop.rb
deleted file mode 100644
index 6c9687a5cc0..00000000000
--- a/lib/prism/translation/parser/rubocop.rb
+++ /dev/null
@@ -1,73 +0,0 @@
-# frozen_string_literal: true
-# typed: ignore
-
-warn "WARN: Prism is directly supported since RuboCop 1.62. The `prism/translation/parser/rubocop` file is deprecated."
-
-require "parser"
-require "rubocop"
-
-require_relative "../../prism"
-require_relative "../parser"
-
-module Prism
-  module Translation
-    class Parser
-      # This is the special version numbers that should be used in RuboCop
-      # configuration files to trigger using prism.
-
-      # For Ruby 3.3
-      VERSION_3_3 = 80_82_73_83_77.33
-
-      # For Ruby 3.4
-      VERSION_3_4 = 80_82_73_83_77.34
-
-      # This module gets prepended into RuboCop::AST::ProcessedSource.
-      module ProcessedSource
-        # This condition is compatible with rubocop-ast versions up to 1.30.0.
-        if RuboCop::AST::ProcessedSource.instance_method(:parser_class).arity == 1
-          # Redefine parser_class so that we can inject the prism parser into the
-          # list of known parsers.
-          def parser_class(ruby_version)
-            if ruby_version == Prism::Translation::Parser::VERSION_3_3
-              warn "WARN: Setting `TargetRubyVersion: 80_82_73_83_77.33` is deprecated. " \
-                   "Set to `ParserEngine: parser_prism` and `TargetRubyVersion: 3.3` instead."
-              require_relative "../parser33"
-              Prism::Translation::Parser33
-            elsif ruby_version == Prism::Translation::Parser::VERSION_3_4
-              warn "WARN: Setting `TargetRubyVersion: 80_82_73_83_77.34` is deprecated. " \
-                   "Set to `ParserEngine: parser_prism` and `TargetRubyVersion: 3.4` instead."
-              require_relative "../parser34"
-              Prism::Translation::Parser34
-            else
-              super
-            end
-          end
-        else
-          # Redefine parser_class so that we can inject the prism parser into the
-          # list of known parsers.
-          def parser_class(ruby_version, _parser_engine)
-            if ruby_version == Prism::Translation::Parser::VERSION_3_3
-              warn "WARN: Setting `TargetRubyVersion: 80_82_73_83_77.33` is deprecated. " \
-                   "Set to `ParserEngine: parser_prism` and `TargetRubyVersion: 3.3` instead."
-              require_relative "../parser33"
-              Prism::Translation::Parser33
-            elsif ruby_version == Prism::Translation::Parser::VERSION_3_4
-              warn "WARN: Setting `TargetRubyVersion: 80_82_73_83_77.34` is deprecated. " \
-                   "Set to `ParserEngine: parser_prism` and `TargetRubyVersion: 3.4` instead."
-              require_relative "../parser34"
-              Prism::Translation::Parser34
-            else
-              super
-            end
-          end
-        end
-      end
-    end
-  end
-end
-
-# :stopdoc:
-RuboCop::AST::ProcessedSource.prepend(Prism::Translation::Parser::ProcessedSource)
-known_rubies = RuboCop::TargetRuby.const_get(:KNOWN_RUBIES)
-RuboCop::TargetRuby.send(:remove_const, :KNOWN_RUBIES)
-RuboCop::TargetRuby::KNOWN_RUBIES = [*known_rubies, Prism::Translation::Parser::VERSION_3_3].freeze
diff --git a/prism.gemspec b/prism.gemspec
index 97a9648ac79..37aa9795765 100644
--- a/prism.gemspec
+++ b/prism.gemspec
@@ -95,7 +95,6 @@ Gem::Specification.new do |spec|
     "lib/prism/translation/parser34.rb",
     "lib/prism/translation/parser/compiler.rb",
     "lib/prism/translation/parser/lexer.rb",
-    "lib/prism/translation/parser/rubocop.rb",
     "lib/prism/translation/ripper.rb",
     "lib/prism/translation/ripper/sexp.rb",
     "lib/prism/translation/ripper/shim.rb",