diff --git a/childprocess.gemspec b/childprocess.gemspec
index 5fe99da..33424a9 100644
--- a/childprocess.gemspec
+++ b/childprocess.gemspec
@@ -22,5 +22,4 @@ Gem::Specification.new do |s|
 
   s.add_development_dependency "rspec", "~> 3.0"
   s.add_development_dependency "yard", "~> 0.0"
-  s.add_development_dependency 'coveralls', '< 1.0'
 end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 127c456..4299fd1 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,11 +1,6 @@
 $LOAD_PATH.unshift(File.dirname(__FILE__))
 $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
 
-unless defined?(JRUBY_VERSION)
-  require 'coveralls'
-  Coveralls.wear!
-end
-
 require 'childprocess'
 require 'rspec'
 require 'tempfile'