diff --git a/Gemfile b/Gemfile
index 81294ebe39e..cd8bdeca813 100644
--- a/Gemfile
+++ b/Gemfile
@@ -150,7 +150,7 @@ gem 'deckar01-task_list', '2.3.1'
 gem 'gitlab-markup', '~> 1.7.1'
 gem 'github-markup', '~> 1.7.0', require: 'github/markup'
 gem 'commonmarker', '~> 0.21'
-gem 'kramdown', '~> 2.3.0'
+gem 'kramdown', '~> 2.3.1'
 gem 'RedCloth', '~> 4.3.2'
 gem 'rdoc', '~> 6.1.2'
 gem 'org-ruby', '~> 0.9.12'
diff --git a/Gemfile.lock b/Gemfile.lock
index 063ebc4424b..6c714c0d5dd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -669,7 +669,7 @@ GEM
     kgio (2.11.3)
     knapsack (1.17.0)
       rake
-    kramdown (2.3.0)
+    kramdown (2.3.1)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
@@ -1471,7 +1471,7 @@ DEPENDENCIES
   jwt (~> 2.1.0)
   kaminari (~> 1.0)
   knapsack (~> 1.17)
-  kramdown (~> 2.3.0)
+  kramdown (~> 2.3.1)
   kubeclient (~> 4.9.1)
   lefthook (~> 0.7)
   letter_opener_web (~> 1.3.4)
diff --git a/changelogs/unreleased/sh-remove-kramdown-patch.yml b/changelogs/unreleased/sh-remove-kramdown-patch.yml
new file mode 100644
index 00000000000..86fc282d363
--- /dev/null
+++ b/changelogs/unreleased/sh-remove-kramdown-patch.yml
@@ -0,0 +1,5 @@
+---
+title: Remove Kramdown patch and update to v2.3.1 gem
+merge_request: 56917
+author:
+type: fixed
diff --git a/config/initializers/kramdown_patch.rb b/config/initializers/kramdown_patch.rb
deleted file mode 100644
index 5cb769cec24..00000000000
--- a/config/initializers/kramdown_patch.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-# frozen_string_literal: true
-#
-# This pulls in https://github.com/gettalong/kramdown/pull/708 for kramdown v2.3.0.
-# Remove this file when that pull request is merged and released.
-require 'kramdown/converter'
-require 'kramdown/converter/syntax_highlighter/rouge'
-
-module Kramdown::Converter::SyntaxHighlighter
-  module Rouge
-    def self.formatter_class(opts = {})
-      case formatter = opts[:formatter]
-      when Class
-        formatter
-      when /\A[[:upper:]][[:alnum:]_]*\z/
-        ::Rouge::Formatters.const_get(formatter, false)
-      else
-        # Available in Rouge 2.0 or later
-        ::Rouge::Formatters::HTMLLegacy
-      end
-    rescue NameError
-      # Fallback to Rouge 1.x
-      ::Rouge::Formatters::HTML
-    end
-  end
-end
diff --git a/doc/ci/pipeline_editor/index.md b/doc/ci/pipeline_editor/index.md
index 28394ca8147..57aea5d493b 100644
--- a/doc/ci/pipeline_editor/index.md
+++ b/doc/ci/pipeline_editor/index.md
@@ -10,7 +10,6 @@ type: reference
 > - [Introduced](https://gitlab.com/groups/gitlab-org/-/epics/4540) in GitLab 13.8.
 > - [Feature flag removed](https://gitlab.com/gitlab-org/gitlab/-/issues/270059) in GitLab 13.10.
 
-The pipeline editor is the primary place to edit the GitLab CI/CD configuration in
 The pipeline editor is the primary place to edit the GitLab CI/CD configuration in
 the `.gitlab-ci.yml` file in the root of your repository. To access the editor, go to **CI/CD > Editor**.
 
diff --git a/doc/development/contributing/style_guides.md b/doc/development/contributing/style_guides.md
index 0f4b69d3daf..444a067a780 100644
--- a/doc/development/contributing/style_guides.md
+++ b/doc/development/contributing/style_guides.md
@@ -62,7 +62,6 @@ Before you push your changes, Lefthook automatically runs the following checks:
 - SCSS lint: Run `yarn lint:stylelint` checks (with the [`.stylelintrc`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/.stylelintrc) configuration) on the modified `*.scss{,.css}` files. Tags: `stylesheet`, `css`, `style`.
 - RuboCop: Run `bundle exec rubocop` checks (with the [`.rubocop.yml`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/.rubocop.yml) configuration) on the modified `*.rb` files. Tags: `backend`, `style`.
 - Vale: Run `vale` checks (with the [`.vale.ini`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/.vale.ini) configuration) on the modified `*.md` files. Tags: `documentation`, `style`.
-- Documentation metadata: Run checks for the absence of [documentation metadata](../documentation/index.md#metadata).
 
 In addition to the default configuration, you can define a [local configuration](https://github.com/Arkweid/lefthook/blob/master/docs/full_guide.md#local-config).
 
diff --git a/spec/initializers/kramdown_patch_spec.rb b/spec/lib/kramdown/kramdown_spec.rb
similarity index 92%
rename from spec/initializers/kramdown_patch_spec.rb
rename to spec/lib/kramdown/kramdown_spec.rb
index 49dda9252bb..986a8d9959e 100644
--- a/spec/initializers/kramdown_patch_spec.rb
+++ b/spec/lib/kramdown/kramdown_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-RSpec.describe 'Kramdown patch for syntax highlighting formatters' do
+RSpec.describe 'Ensure kramdown detects invalid syntax highlighting formatters' do
   subject { Kramdown::Document.new(options + "\n" + code).to_html }
 
   let(:code) do
diff --git a/vendor/gitignore/C++.gitignore b/vendor/gitignore/C++.gitignore
old mode 100644
new mode 100755
diff --git a/vendor/gitignore/Java.gitignore b/vendor/gitignore/Java.gitignore
old mode 100644
new mode 100755