diff --git a/Gemfile b/Gemfile
index fd6fca4b..00f9e451 100644
--- a/Gemfile
+++ b/Gemfile
@@ -56,7 +56,6 @@ gem 'http_parser.rb', '~> 0.6', git: 'https://github.com/tmm1/http_parser.rb', r
 gem 'httplog', '~> 1.3'
 gem 'idn-ruby', require: 'idn'
 gem 'kaminari', '~> 1.1'
-gem 'kramdown', '~> 2.1.0'
 gem 'link_header', '~> 0.0'
 gem 'mime-types', '~> 3.2', require: 'mime/types/columnar'
 gem 'nokogiri', '~> 1.10'
@@ -90,7 +89,6 @@ gem 'twitter-text', '~> 1.14'
 gem 'tzinfo-data', '~> 1.2019'
 gem 'webpacker', '~> 4.0'
 gem 'webpush'
-gem 'redcarpet', '~> 3.5.0'
 
 gem 'json-ld', '~> 3.0'
 gem 'json-ld-preloaded', '~> 3.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 4efcac86..a5c48dfd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -311,7 +311,6 @@ GEM
       activerecord
       kaminari-core (= 1.1.1)
     kaminari-core (1.1.1)
-    kramdown (2.1.0)
     launchy (2.4.3)
       addressable (~> 2.3)
     letter_opener (1.7.0)
@@ -479,7 +478,6 @@ GEM
       link_header (~> 0.0, >= 0.0.8)
     rdf-normalize (0.3.3)
       rdf (>= 2.2, < 4.0)
-    redcarpet (3.5.0)
     redis (4.1.2)
     redis-actionpack (5.0.2)
       actionpack (>= 4.0, < 6)
@@ -703,7 +701,6 @@ DEPENDENCIES
   json-ld (~> 3.0)
   json-ld-preloaded (~> 3.0)
   kaminari (~> 1.1)
-  kramdown (~> 2.1.0)
   letter_opener (~> 1.7)
   letter_opener_web (~> 1.3)
   link_header (~> 0.0)
@@ -742,7 +739,6 @@ DEPENDENCIES
   rails-i18n (~> 5.1)
   rails-settings-cached (~> 0.6)
   rdf-normalize (~> 0.3)
-  redcarpet (~> 3.5.0)
   redis (~> 4.1)
   redis-namespace (~> 1.5)
   redis-rails (~> 5.0)
diff --git a/app/lib/formatter.rb b/app/lib/formatter.rb
index b7eb939c..b4355e97 100644
--- a/app/lib/formatter.rb
+++ b/app/lib/formatter.rb
@@ -2,7 +2,6 @@
 
 require 'singleton'
 require_relative './sanitize_config'
-require 'redcarpet'
 
 class Formatter
   include Singleton
@@ -10,12 +9,6 @@ class Formatter
 
   include ActionView::Helpers::TextHelper
 
-  class CustomRender < Redcarpet::Render::HTML
-    def paragraph(text)
-      %(<p>#{text}</p>)
-    end
-  end
-
   def format(status, **options)
     if options[:use_markdown]
       raw_content = status.markdown