1 files changed, 5 insertions, 15 deletions
diff --git a/activerecord/lib/active_record/associations/builder/collection_association.rb b/activerecord/lib/active_record/associations/builder/collection_association.rb
index ff57c40121..e78d25441b 100644
--- a/activerecord/lib/active_record/associations/builder/collection_association.rb
+++ b/activerecord/lib/active_record/associations/builder/collection_association.rb
@@ -20,11 +20,11 @@ module ActiveRecord::Associations::Builder # :nodoc:
       }
     end
 
-    def self.define_extensions(model, name)
+    def self.define_extensions(model, name, &block)
       if block_given?
-        extension_module_name = "#{model.name.demodulize}#{name.to_s.camelize}AssociationExtension"
-        extension = Module.new(&Proc.new)
-        model.module_parent.const_set(extension_module_name, extension)
+        extension_module_name = "#{name.to_s.camelize}AssociationExtension"
+        extension = Module.new(&block)
+        model.const_set(extension_module_name, extension)
       end
     end
 
@@ -67,16 +67,6 @@ module ActiveRecord::Associations::Builder # :nodoc:
       CODE
     end
 
-    def self.wrap_scope(scope, mod)
-      if scope
-        if scope.arity > 0
-          proc { |owner| instance_exec(owner, &scope).extending(mod) }
-        else
-          proc { instance_exec(&scope).extending(mod) }
-        end
-      else
-        proc { extending(mod) }
-      end
-    end
+    private_class_method :valid_options, :define_callback, :define_extensions, :define_readers, :define_writers
   end
 end