1 files changed, 3 insertions, 1 deletions
diff --git a/spec/ruby/library/erb/def_class_spec.rb b/spec/ruby/library/erb/def_class_spec.rb
index ae2dcbd1e4..fb687531e0 100644
--- a/spec/ruby/library/erb/def_class_spec.rb
+++ b/spec/ruby/library/erb/def_class_spec.rb
@@ -1,5 +1,5 @@
 require 'erb'
-require File.expand_path('../../../spec_helper', __FILE__)
+require_relative '../../spec_helper'
 
 describe "ERB#def_class" do
 
@@ -24,6 +24,8 @@ END
     MyClass1ForErb = erb.def_class(MyClass1ForErb_, 'render()')
     MyClass1ForErb.method_defined?(:render).should == true
     MyClass1ForErb.new('foo', 123).render().should == expected
+  ensure
+    Object.send(:remove_const, :MyClass1ForErb)
   end
 
 end