diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 7f72185..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "culture"]
-	path = culture
-	url = http://github.com/celluloid/culture.git
diff --git a/.rubocop.yml b/.rubocop.yml
index 39e653a..2bab327 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,2 +1,83 @@
-inherit_from:
-  - culture/rubocop/rubocop.yml
\ No newline at end of file
+Lint/HandleExceptions:
+  Enabled: false
+
+Lint/LiteralInCondition:
+  Enabled: false
+
+Lint/UnusedBlockArgument:
+  Enabled: false
+
+Metrics/MethodLength:
+  CountComments: false
+  Max: 20
+
+Metrics/LineLength:
+  Max: 120
+
+Metrics/CyclomaticComplexity:
+  Max: 9
+
+Metrics/PerceivedComplexity:
+  Max: 9
+
+Metrics/AbcSize:
+  Max: 20
+
+Style/Documentation:
+  Enabled: false
+
+Style/ModuleFunction:
+  Enabled: false
+
+Style/AndOr:
+  Enabled: true
+
+Style/StringLiterals:
+  Enabled: true
+  EnforcedStyle: double_quotes
+
+Style/EachWithObject:
+  Enabled: true
+
+Style/InfiniteLoop:
+  Enabled: false
+
+Style/SpaceAroundEqualsInParameterDefault:
+  Enabled: false
+
+Style/AccessModifierIndentation:
+  Enabled: false
+
+Style/TrailingCommaInArguments:
+  Enabled: true
+  EnforcedStyleForMultiline: comma
+
+Style/TrailingCommaInLiteral:
+  Enabled: true
+  EnforcedStyleForMultiline: comma
+
+Style/SpaceInsideBlockBraces:
+  Enabled: true
+  EnforcedStyle: space
+
+Style/SpaceInsideHashLiteralBraces:
+  Enabled: true
+  EnforcedStyle: no_space
+
+Style/EmptyLinesAroundAccessModifier:
+  Enabled: false
+
+Style/RescueModifier:
+  Enabled: false
+
+Style/GlobalVars:
+  Enabled: false
+
+Style/FormatString:
+  EnforcedStyle: percent
+
+Style/TrailingUnderscoreVariable:
+  Enabled: false
+
+Style/ParallelAssignment:
+  Enabled: false
diff --git a/.travis.yml b/.travis.yml
index 887df32..6a3c0dd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,13 @@
 before_install:
+- gem install bundler -v '< 2'
+- gem uninstall -v '>= 2' -i $(rvm gemdir)@global -ax bundler || true
 - PATH="/usr/lib/ccache:$PATH" # enable ccache
 - export LD_LIBRARY_PATH=$HOME/lib # custom libs (for execution)
 - export PKG_CONFIG_PATH=$HOME/lib/pkgconfig # custom libs (for linking)
 - export BUNDLE_PATH=$HOME/.bundle # bundle caching
 - ( mkdir -p vendor && cd vendor && git clone --depth 1 https://github.com/paddor/czmq-ffi-gen && cd czmq-ffi-gen && ci-scripts/install-libzmq && ci-scripts/install-libczmq; )
 sudo: false
+
 cache:
   directories:
   - $HOME/.ccache
diff --git a/Gemfile b/Gemfile
index 2e4054c..1e3e872 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,2 +1,20 @@
-require File.expand_path("../culture/sync", __FILE__)
-Celluloid::Sync::Gemfile[self]
+source "https://rubygems.org"
+
+gemspec
+
+group :development, :test do
+  gem "benchmark_suite"
+  gem "bundler"
+  gem "coveralls"
+  gem "cztop"
+  gem "dotenv"
+  gem "guard", "=2.13.0"
+  gem "guard-rspec"
+  gem "listen", '=3.0.3'
+  gem "nenv"
+  gem "rubocop"
+  gem "rspec"
+  gem "rspec-retry"
+  gem "rake"
+  gem "transpec"
+end
diff --git a/celluloid-zmq.gemspec b/celluloid-zmq.gemspec
index 958201d..caac21f 100644
--- a/celluloid-zmq.gemspec
+++ b/celluloid-zmq.gemspec
@@ -1,5 +1,5 @@
 # -*- encoding: utf-8 -*-
-require File.expand_path("../culture/sync", __FILE__)
+require File.expand_path('../lib/celluloid/zmq/version', __FILE__)
 
 Gem::Specification.new do |gem|
   gem.authors       = ["Tony Arcieri"]
@@ -12,13 +12,12 @@ Gem::Specification.new do |gem|
   gem.name          = "celluloid-zmq"
   gem.version       = Celluloid::ZMQ::VERSION
 
-  Celluloid::Sync::Gemspec[gem]
   gem.add_dependency "cztop"
+  gem.add_dependency "celluloid"
 
   # Files
   ignores = File.read(".gitignore").split(/\r?\n/).reject { |f| f =~ /^(#.+|\s*)$/ }.map { |f| Dir[f] }.flatten
   gem.files = (Dir["**/*", ".gitignore"] - ignores).reject { |f| !File.file?(f) }
   gem.test_files = (Dir["spec/**/*", ".gitignore"] - ignores).reject { |f| !File.file?(f) }
-  # gem.executables   = Dir['bin/*'].map { |f| File.basename(f) }
   gem.require_paths = ["lib"]
 end
diff --git a/culture b/culture
deleted file mode 160000
index befa160..0000000
--- a/culture
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit befa16032465eb1513b98f9c8a8f0d2aba5539e9