diff --git a/Gemfile b/Gemfile
index ce1131fa..e91a2d50 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,5 +13,5 @@ if ENV["rdoc"] == "master"
 end
 
 gem "importmap-rails"
-gem "railties"
+gem "railties", '>= 7.1'
 
diff --git a/Rakefile b/Rakefile
index 1ce55ac6..b17b3d11 100644
--- a/Rakefile
+++ b/Rakefile
@@ -43,12 +43,6 @@ class RailsTask < Rails::API::EdgeTask
     "doc/rails"
   end
 
-  # This file has been renamed in Rails 7.1.
-  # TODO: Remove this override some time after Rails 7.1 is released.
-  def api_main
-    super.sub("RDOC_MAIN.rdoc", "RDOC_MAIN.md")
-  end
-
   def component_root_dir(component)
     File.join("rails", component)
   end