diff --git a/Gemfile b/Gemfile
index 2c525e5..bc7bd9e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,6 +3,4 @@ source 'https://rubygems.org'
 # Specify your gem's dependencies in haml-rails.gemspec
 gemspec
 
-gem 'rubysl', '~> 2.0', platforms: :rbx
-gem 'minitest', platforms: :rbx
 gem 'html2haml'
diff --git a/gemfiles/rails_5_1.gemfile b/gemfiles/rails_5_1.gemfile
index 44d8b26..84c8a4a 100644
--- a/gemfiles/rails_5_1.gemfile
+++ b/gemfiles/rails_5_1.gemfile
@@ -2,7 +2,6 @@
 
 source "https://rubygems.org"
 
-gem "rubysl", "~> 2.0", :platforms => :rbx
 gem "minitest", :platforms => :rbx
 gem "html2haml"
 gem "rails", "~> 5.1.0"
diff --git a/gemfiles/rails_5_2.gemfile b/gemfiles/rails_5_2.gemfile
index 2e2dd79..cdd2bea 100644
--- a/gemfiles/rails_5_2.gemfile
+++ b/gemfiles/rails_5_2.gemfile
@@ -2,7 +2,6 @@
 
 source "https://rubygems.org"
 
-gem "rubysl", "~> 2.0", :platforms => :rbx
 gem "minitest", :platforms => :rbx
 gem "html2haml"
 gem "rails", "~> 5.2.0"