diff --git a/Gemfile b/Gemfile
index 9c2d805766104b208fe0beeec1a7b9183f3a4d6b..11ebba02406228958e1798df28db4bc6a4e58caf 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,6 @@ source 'https://rubygems.org'
 gemspec
 
 gem "administrate-field-image"
-gem "autoprefixer-rails"
 gem "faker"
 gem "front_matter_parser"
 gem "globalid"
diff --git a/Gemfile.lock b/Gemfile.lock
index fe8f85caddb5866c81d28817833579eb7d620333..9bea12d611878e92474dfc1dbc6bb268a76ce862 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -254,7 +254,6 @@ DEPENDENCIES
   administrate-field-image
   ammeter
   appraisal
-  autoprefixer-rails
   awesome_print
   bundler-audit
   byebug
diff --git a/gemfiles/rails50.gemfile b/gemfiles/rails50.gemfile
index 1fe36007686bfd7bb7535325cca12bf02ccf3f11..799645a00bcd3fcd451e5b4f6541152fedbf7716 100644
--- a/gemfiles/rails50.gemfile
+++ b/gemfiles/rails50.gemfile
@@ -3,7 +3,6 @@
 source "https://rubygems.org"
 
 gem "administrate-field-image"
-gem "autoprefixer-rails"
 gem "faker"
 gem "front_matter_parser"
 gem "globalid"
diff --git a/gemfiles/rails51.gemfile b/gemfiles/rails51.gemfile
index f853732b6eaf0385ea25ebb223c02d30a6404c21..b373eb71bab003f49d2c1e680fc699713122c02f 100644
--- a/gemfiles/rails51.gemfile
+++ b/gemfiles/rails51.gemfile
@@ -3,7 +3,6 @@
 source "https://rubygems.org"
 
 gem "administrate-field-image"
-gem "autoprefixer-rails"
 gem "faker"
 gem "front_matter_parser"
 gem "globalid"
diff --git a/gemfiles/rails52.gemfile b/gemfiles/rails52.gemfile
index 5449a086b6bd6ce893a93300387be4110147a568..6b609c82ab9dd79a2b5c4636c5953d710220ee95 100644
--- a/gemfiles/rails52.gemfile
+++ b/gemfiles/rails52.gemfile
@@ -3,7 +3,6 @@
 source "https://rubygems.org"
 
 gem "administrate-field-image"
-gem "autoprefixer-rails"
 gem "faker"
 gem "front_matter_parser"
 gem "globalid"
diff --git a/gemfiles/rails60.gemfile b/gemfiles/rails60.gemfile
index 1bf0ef1f3d78f029f9dac1fdef1211b6c82127c6..1d86a51843975647b4c4c6a27e129b3ef6282b5f 100644
--- a/gemfiles/rails60.gemfile
+++ b/gemfiles/rails60.gemfile
@@ -3,7 +3,6 @@
 source "https://rubygems.org"
 
 gem "administrate-field-image"
-gem "autoprefixer-rails"
 gem "faker"
 gem "front_matter_parser"
 gem "globalid"
diff --git a/spec/example_app/browserslist b/spec/example_app/browserslist
deleted file mode 100644
index 1e8f87ed5011e08026545a87c74198bd78027d8e..0000000000000000000000000000000000000000
--- a/spec/example_app/browserslist
+++ /dev/null
@@ -1,4 +0,0 @@
-Last 2 versions
-Explorer >= 9
-iOS >= 7.1
-Android >= 4.4