diff --git a/lib/rb/spec/binary_protocol_accelerated_spec.rb b/lib/rb/spec/binary_protocol_accelerated_spec.rb
index 0306cf5..48c22e4 100644
--- a/lib/rb/spec/binary_protocol_accelerated_spec.rb
+++ b/lib/rb/spec/binary_protocol_accelerated_spec.rb
@@ -19,7 +19,6 @@
 
 require File.dirname(__FILE__) + '/spec_helper'
 require File.dirname(__FILE__) + '/binary_protocol_spec_shared'
-require File.dirname(__FILE__) + '/gen-rb/thrift_spec_types'
 
 class ThriftBinaryProtocolAcceleratedSpec < Spec::ExampleGroup
   include Thrift
diff --git a/lib/rb/spec/nonblocking_server_spec.rb b/lib/rb/spec/nonblocking_server_spec.rb
index a0e86cf..ead51d7 100644
--- a/lib/rb/spec/nonblocking_server_spec.rb
+++ b/lib/rb/spec/nonblocking_server_spec.rb
@@ -18,7 +18,6 @@
 #
 
 require File.dirname(__FILE__) + '/spec_helper'
-require File.dirname(__FILE__) + '/gen-rb/nonblocking_service'
 
 class ThriftNonblockingServerSpec < Spec::ExampleGroup
   include Thrift
diff --git a/lib/rb/spec/serializer_spec.rb b/lib/rb/spec/serializer_spec.rb
index 82f374b..44339c0 100644
--- a/lib/rb/spec/serializer_spec.rb
+++ b/lib/rb/spec/serializer_spec.rb
@@ -18,7 +18,6 @@
 #
 
 require File.dirname(__FILE__) + '/spec_helper'
-require File.dirname(__FILE__) + '/gen-rb/thrift_spec_types'
 
 class ThriftSerializerSpec < Spec::ExampleGroup
   include Thrift
diff --git a/lib/rb/spec/spec_helper.rb b/lib/rb/spec/spec_helper.rb
index 3c20bf9..eb5d29c 100644
--- a/lib/rb/spec/spec_helper.rb
+++ b/lib/rb/spec/spec_helper.rb
@@ -44,8 +44,13 @@
   end
 end
 
-require File.dirname(__FILE__) + "/../debug_proto_test/gen-rb/Srv"
-require File.dirname(__FILE__) + "/../debug_proto_test/gen-rb/debug_proto_test_constants"
+$:.unshift File.join(File.dirname(__FILE__), *%w[.. debug_proto_test gen-rb])
+require "srv"
+require "debug_proto_test_constants"
+
+$:.unshift File.join(File.dirname(__FILE__), *%w[gen-rb])
+require 'thrift_spec_types'
+require 'nonblocking_service'
 
 module Fixtures
   COMPACT_PROTOCOL_TEST_STRUCT = COMPACT_TEST.dup
diff --git a/lib/rb/spec/struct_spec.rb b/lib/rb/spec/struct_spec.rb
index 23a701e..237f982 100644
--- a/lib/rb/spec/struct_spec.rb
+++ b/lib/rb/spec/struct_spec.rb
@@ -18,7 +18,6 @@
 #
 
 require File.dirname(__FILE__) + '/spec_helper'
-require File.dirname(__FILE__) + '/gen-rb/thrift_spec_types'
 
 class ThriftStructSpec < Spec::ExampleGroup
   include Thrift
diff --git a/lib/rb/spec/types_spec.rb b/lib/rb/spec/types_spec.rb
index d979cfb..7999e92 100644
--- a/lib/rb/spec/types_spec.rb
+++ b/lib/rb/spec/types_spec.rb
@@ -18,7 +18,6 @@
 #
 
 require File.dirname(__FILE__) + '/spec_helper'
-require File.dirname(__FILE__) + '/gen-rb/thrift_spec_types'
 
 class ThriftTypesSpec < Spec::ExampleGroup
   include Thrift