diff --git a/Gemfile b/Gemfile
index dc575af..54d2015 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,8 +2,3 @@ source "https://rubygems.org"
 gem "twenty-cli", path: "./twenty-cli"
 gem "twenty-backend", path: "./twenty-backend"
 gem "twenty-frontend", path: "./twenty-frontend"
-
-##
-# FIXME: Host these gems on RubyGems.org
-gem "ryo.rb", github: "0x1eef/ryo.rb"
-gem "cmd.rb", github: "0x1eef/cmd.rb"
diff --git a/twenty-frontend/Gemfile b/twenty-frontend/Gemfile
index e14016a..41e0b53 100644
--- a/twenty-frontend/Gemfile
+++ b/twenty-frontend/Gemfile
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 source "https://rubygems.org"
 gem "nanoc", "~> 4.12"
-gem "nanoc-webpack.rb", github: "0x1eef/nanoc-webpack.rb"
-gem "nanoc-tidy.rb", github: "0x1eef/nanoc-tidy.rb"
-gem "ryo.rb", github: "0x1eef/ryo.rb"
 gem "sass", "~> 3.7"
 gem "rainpress", "~> 1.0"
diff --git a/twenty-frontend/Gemfile.lock b/twenty-frontend/Gemfile.lock
index 0aadfc3..11320da 100644
--- a/twenty-frontend/Gemfile.lock
+++ b/twenty-frontend/Gemfile.lock
@@ -1,22 +1,3 @@
-GIT
-  remote: https://github.com/0x1eef/nanoc-tidy.rb.git
-  revision: fa8cf9ba1aa6efd39a840d48e82dbd7267e56c2d
-  specs:
-    nanoc-tidy.rb (0.2.0)
-
-GIT
-  remote: https://github.com/0x1eef/nanoc-webpack.rb.git
-  revision: 3fb4042377e3659b374496c6468e4bb35dedb255
-  specs:
-    nanoc-webpack.rb (0.4.4)
-      ryo.rb (~> 0.3)
-
-GIT
-  remote: https://github.com/0x1eef/ryo.rb.git
-  revision: 70a975e0fad895c0460818c878586d398f32fbdb
-  specs:
-    ryo.rb (0.4.4)
-
 GEM
   remote: https://rubygems.org/
   specs:
@@ -101,10 +82,7 @@ PLATFORMS
 
 DEPENDENCIES
   nanoc (~> 4.12)
-  nanoc-tidy.rb!
-  nanoc-webpack.rb!
   rainpress (~> 1.0)
-  ryo.rb!
   sass (~> 3.7)
 
 BUNDLED WITH