diff --git a/Library/Homebrew/cask/.rubocop.yml b/Library/Homebrew/cask/.rubocop.yml
index 31a2a193de..5b026887a4 100644
--- a/Library/Homebrew/cask/.rubocop.yml
+++ b/Library/Homebrew/cask/.rubocop.yml
@@ -1,10 +1,9 @@
-require: 'rubocop-cask'
-
 AllCops:
   TargetRubyVersion: 2.0
+  Include:
+    - '**/.simplecov'
   Exclude:
     - '**/Casks/**/*'
-    - 'developer/**/*'
     - '**/vendor/**/*'
 
 Metrics/AbcSize:
@@ -16,10 +15,10 @@ Metrics/ClassLength:
 Metrics/CyclomaticComplexity:
   Enabled: false
 
-Metrics/MethodLength:
+Metrics/LineLength:
   Enabled: false
 
-Metrics/PerceivedComplexity:
+Metrics/MethodLength:
   Enabled: false
 
 Metrics/ModuleLength:
@@ -29,6 +28,19 @@ Metrics/ModuleLength:
     - 'lib/hbc/macos.rb'
     - 'lib/hbc/utils.rb'
 
+Metrics/PerceivedComplexity:
+  Enabled: false
+
+Performance/StringReplacement:
+  Enabled: false
+
+Style/AlignHash:
+  EnforcedHashRocketStyle: table
+  EnforcedColonStyle: table
+
+Style/BarePercentLiterals:
+  EnforcedStyle: percent_q
+
 Style/BlockDelimiters:
   EnforcedStyle: semantic
   FunctionalMethods:
@@ -75,15 +87,51 @@ Style/BlockDelimiters:
     - lambda
     - proc
 
-
 Style/ClassAndModuleChildren:
   EnforcedStyle: compact
 
+Style/Documentation:
+  Enabled: false
+
+Style/EmptyElse:
+  Enabled: false
+
+Style/FileName:
+  Enabled: false
+
+Style/HashSyntax:
+  EnforcedStyle: ruby19_no_mixed_keys
+
+Style/IndentArray:
+  EnforcedStyle: align_brackets
+
+Style/IndentHash:
+  EnforcedStyle: align_braces
+
+Style/PercentLiteralDelimiters:
+  PreferredDelimiters:
+    '%':  '{}'
+    '%i': '{}'
+    '%q': '{}'
+    '%Q': '{}'
+    '%r': '{}'
+    '%s': '()'
+    '%w': '[]'
+    '%W': '[]'
+    '%x': '()'
+
 Style/PredicateName:
   NameWhitelist: is_32_bit?, is_64_bit?
 
 Style/RaiseArgs:
   EnforcedStyle: exploded
 
+Style/RegexpLiteral:
+  EnforcedStyle: percent_r
+
 Style/StringLiterals:
   EnforcedStyle: double_quotes
+
+Style/TrailingCommaInLiteral:
+  EnforcedStyleForMultiline: comma
+
diff --git a/Library/Homebrew/cask/Gemfile b/Library/Homebrew/cask/Gemfile
index cba638dc9b..df06bd5d4a 100644
--- a/Library/Homebrew/cask/Gemfile
+++ b/Library/Homebrew/cask/Gemfile
@@ -7,10 +7,6 @@ group :debug do
   gem "pry-byebug", platforms: :mri
 end
 
-group :development do
-  gem "rubocop-cask", "~> 0.8.3"
-end
-
 group :test do
   # This is SimpleCov v0.12.0 with two fixes merged on top, that finally resolve
   # all issues with parallel tests, uncovered files, and tracked files. Switch
diff --git a/Library/Homebrew/cask/Gemfile.lock b/Library/Homebrew/cask/Gemfile.lock
index 9d53aebf8a..93dd597127 100644
--- a/Library/Homebrew/cask/Gemfile.lock
+++ b/Library/Homebrew/cask/Gemfile.lock
@@ -12,7 +12,6 @@ GEM
   remote: https://rubygems.org/
   specs:
     ansi (1.5.0)
-    ast (2.3.0)
     builder (3.2.2)
     byebug (9.0.5)
     codecov (0.1.5)
@@ -36,9 +35,6 @@ GEM
     parallel (1.9.0)
     parallel_tests (2.9.0)
       parallel
-    parser (2.3.1.2)
-      ast (~> 2.2)
-    powerpack (0.1.1)
     pry (0.10.4)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -46,8 +42,6 @@ GEM
     pry-byebug (3.4.0)
       byebug (~> 9.0)
       pry (~> 0.10)
-    public_suffix (2.0.2)
-    rainbow (2.1.0)
     rake (10.4.2)
     rspec (3.0.0)
       rspec-core (~> 3.0.0)
@@ -66,19 +60,9 @@ GEM
     rspec-support (3.0.4)
     rspec-wait (0.0.9)
       rspec (>= 3, < 4)
-    rubocop (0.41.2)
-      parser (>= 2.3.1.1, < 3.0)
-      powerpack (~> 0.1)
-      rainbow (>= 1.99.1, < 3.0)
-      ruby-progressbar (~> 1.7)
-      unicode-display_width (~> 1.0, >= 1.0.1)
-    rubocop-cask (0.8.3)
-      public_suffix (~> 2.0)
-      rubocop (~> 0.41.1)
     ruby-progressbar (1.8.1)
     simplecov-html (0.10.0)
     slop (3.6.0)
-    unicode-display_width (1.1.0)
     url (0.3.2)
 
 PLATFORMS
@@ -96,7 +80,6 @@ DEPENDENCIES
   rspec (~> 3.0.0)
   rspec-its
   rspec-wait
-  rubocop-cask (~> 0.8.3)
   simplecov (= 0.12.0)!
 
 BUNDLED WITH
diff --git a/Library/Homebrew/cask/Rakefile b/Library/Homebrew/cask/Rakefile
index fe3e75c988..ec6a4a7f64 100644
--- a/Library/Homebrew/cask/Rakefile
+++ b/Library/Homebrew/cask/Rakefile
@@ -1,6 +1,5 @@
 require "rake/testtask"
 require "rspec/core/rake_task"
-require "rubocop/rake_task"
 
 homebrew_repo = `brew --repository`.chomp
 $LOAD_PATH.unshift(File.expand_path("#{homebrew_repo}/Library/Homebrew"))
@@ -18,12 +17,6 @@ namespace :test do
   end
 end
 
-RuboCop::RakeTask.new(:rubocop) do |t|
-  t.options = ["--force-exclusion"]
-end
-
-task default: [:rubocop]
-
 desc "Open a REPL for debugging and experimentation"
 task :console do
   require "pry"