Remove deprecated `ActionDispatch::Http::ParameterFilter`

actionpack/CHANGELOG.md

@@ -1,3 +1,7 @@
+*   Remove deprecated `ActionDispatch::Http::ParameterFilter`.
+
+    *Rafael Mendonça França*
+
 *   Added support for exclusive no-store Cache-Control header.
 
     If `no-store` is set on Cache-Control header it is exclusive (all other cache directives are dropped).

actionpack/lib/action_dispatch.rb

@@ -83,7 +83,6 @@ module ActionDispatch
     autoload :Headers
     autoload :MimeNegotiation
     autoload :Parameters
-    autoload :ParameterFilter
     autoload :UploadedFile, "action_dispatch/http/upload"
     autoload :URL
   end

actionpack/lib/action_dispatch/http/parameter_filter.rb

@@ -1,12 +0,0 @@
-# frozen_string_literal: true
-
-require "active_support/deprecation/constant_accessor"
-require "active_support/parameter_filter"
-
-module ActionDispatch
-  module Http
-    include ActiveSupport::Deprecation::DeprecatedConstantAccessor
-    deprecate_constant "ParameterFilter", "ActiveSupport::ParameterFilter",
-      message: "ActionDispatch::Http::ParameterFilter is deprecated and will be removed from Rails 6.1. Use ActiveSupport::ParameterFilter instead."
-  end
-end

actionpack/test/dispatch/request_test.rb

@@ -1116,12 +1116,6 @@ class RequestParameters < BaseRequestTest
 end
 
 class RequestParameterFilter < BaseRequestTest
-  test "parameter filter is deprecated" do
-    assert_deprecated do
-      ActionDispatch::Http::ParameterFilter.new(["blah"])
-    end
-  end
-
   test "filtered_parameters returns params filtered" do
     request = stub_request(
       "action_dispatch.request.parameters" => {

guides/source/6_1_release_notes.md

@@ -55,6 +55,8 @@ Please refer to the [Changelog][action-pack] for detailed changes.
 
 ### Removals
 
+*   Remove deprecated `ActionDispatch::Http::ParameterFilter`.
+
 *   Remove deprecated `force_ssl` at the controller level.
 
 ### Deprecations