diff --git a/.travis.yml b/.travis.yml
index 6908677..cce98ff 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,4 +25,4 @@ script: |
   cd $FZF_BASE/src && make test fzf/fzf-linux_amd64 install &&
   cd $FZF_BASE/bin && ln -sf fzf-linux_amd64 fzf-$(./fzf --version)-linux_amd64 &&
   cd $FZF_BASE && yes | ./install &&
-  tmux new "rake test > out && touch ok" && cat out && [ -e ok ]
+  tmux new "ruby test/test_go.rb > out && touch ok" && cat out && [ -e ok ]
diff --git a/Rakefile b/Rakefile
deleted file mode 100644
index 5bc903d..0000000
--- a/Rakefile
+++ /dev/null
@@ -1,12 +0,0 @@
-require "bundler/gem_tasks"
-require 'rake/testtask'
-
-Rake::TestTask.new(:test) do |test|
-  test.pattern = 'test/test_go.rb'
-end
-
-Rake::TestTask.new(:testall) do |test|
-  test.pattern = 'test/test_*.rb'
-end
-
-task :default => :test
diff --git a/ext/mkrf_conf.rb b/ext/mkrf_conf.rb
deleted file mode 100644
index 8e7bf46..0000000
--- a/ext/mkrf_conf.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-require 'rubygems/dependency_installer'
-
-if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new('2.1.0')
-  Gem::DependencyInstaller.new.install 'curses', '~> 1.0'
-end
-
-File.open(File.expand_path('../Rakefile', __FILE__), 'w') do |f|
-  f.puts 'task :default'
-end
diff --git a/fzf.gemspec b/fzf.gemspec
deleted file mode 100644
index 0a6c74d..0000000
--- a/fzf.gemspec
+++ /dev/null
@@ -1,17 +0,0 @@
-# coding: utf-8
-Gem::Specification.new do |spec|
-  spec.name          = 'fzf'
-  spec.version       = '0.8.4'
-  spec.authors       = ['Junegunn Choi']
-  spec.email         = ['junegunn.c@gmail.com']
-  spec.description   = %q{Fuzzy finder for your shell}
-  spec.summary       = %q{Fuzzy finder for your shell}
-  spec.homepage      = 'https://github.com/junegunn/fzf'
-  spec.license       = 'MIT'
-
-  spec.bindir        = '.'
-  spec.files         = %w[fzf.gemspec]
-  spec.executables   = 'fzf'
-
-  spec.extensions   += ['ext/mkrf_conf.rb']
-end