1 files changed, 2 insertions, 2 deletions
diff --git a/spec/ruby/core/refinement/extend_object_spec.rb b/spec/ruby/core/refinement/extend_object_spec.rb
index 4da8b359cc..f6fe2a60ea 100644
--- a/spec/ruby/core/refinement/extend_object_spec.rb
+++ b/spec/ruby/core/refinement/extend_object_spec.rb
@@ -2,7 +2,7 @@ require_relative '../../spec_helper'
 
 describe "Refinement#extend_object" do
   it "is not defined" do
-    Refinement.should_not have_private_instance_method(:extend_object)
+    Refinement.private_instance_methods(true).should_not.include?(:extend_object)
   end
 
   it "is not called by Object#extend" do
@@ -13,7 +13,7 @@ describe "Refinement#extend_object" do
         define_method(:extend_object) { called = true }
         -> {
           c.extend(self)
-        }.should raise_error(TypeError)
+        }.should.raise(TypeError)
         called.should == false
       end
     end