3 files changed, 9 insertions, 12 deletions
diff --git a/spec/ruby/library/digest/instance/append_spec.rb b/spec/ruby/library/digest/instance/append_spec.rb
index 2499579298..7f4ce3d121 100644
--- a/spec/ruby/library/digest/instance/append_spec.rb
+++ b/spec/ruby/library/digest/instance/append_spec.rb
@@ -1,7 +1,11 @@
 require_relative '../../../spec_helper'
 require 'digest'
-require_relative 'shared/update'
 
 describe "Digest::Instance#<<" do
-  it_behaves_like :digest_instance_update, :<<
+  it "raises a RuntimeError if called" do
+    c = Class.new do
+      include Digest::Instance
+    end
+    -> { c.new << "test" }.should.raise(RuntimeError)
+  end
 end
diff --git a/spec/ruby/library/digest/instance/shared/update.rb b/spec/ruby/library/digest/instance/shared/update.rb
deleted file mode 100644
index dccc8f80df..0000000000
--- a/spec/ruby/library/digest/instance/shared/update.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-describe :digest_instance_update, shared: true do
-  it "raises a RuntimeError if called" do
-    c = Class.new do
-      include Digest::Instance
-    end
-    -> { c.new.update("test") }.should raise_error(RuntimeError)
-  end
-end
diff --git a/spec/ruby/library/digest/instance/update_spec.rb b/spec/ruby/library/digest/instance/update_spec.rb
index 3bb4dd7f1b..d15b976213 100644
--- a/spec/ruby/library/digest/instance/update_spec.rb
+++ b/spec/ruby/library/digest/instance/update_spec.rb
@@ -1,7 +1,8 @@
 require_relative '../../../spec_helper'
 require 'digest'
-require_relative 'shared/update'
 
 describe "Digest::Instance#update" do
-  it_behaves_like :digest_instance_update, :update
+  it "is an alias of Digest::Instance#<<" do
+    Digest::Instance.instance_method(:update).should == Digest::Instance.instance_method(:<<)
+  end
 end