2 files changed, 2 insertions, 17 deletions
diff --git a/actionpack/test/lib/controller/fake_models.rb b/actionpack/test/lib/controller/fake_models.rb
index 363403092b..f2362714d7 100644
--- a/actionpack/test/lib/controller/fake_models.rb
+++ b/actionpack/test/lib/controller/fake_models.rb
@@ -175,8 +175,8 @@ class HashBackedAuthor < Hash
 end
 
 module Blog
-  def self._railtie
-    self
+  def self.use_relative_model_naming?
+    true
   end
 
   class Post < Struct.new(:title, :id)
diff --git a/actionpack/test/lib/testing_sandbox.rb b/actionpack/test/lib/testing_sandbox.rb
deleted file mode 100644
index c36585104f..0000000000
--- a/actionpack/test/lib/testing_sandbox.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-module TestingSandbox
-  # Temporarily replaces KCODE for the block
-  def with_kcode(kcode)
-    if RUBY_VERSION < '1.9'
-      old_kcode, $KCODE = $KCODE, kcode
-      begin
-        yield
-      ensure
-        $KCODE = old_kcode
-      end
-    else
-      yield
-    end
-  end
-end