2 files changed, 6 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/associations/preloader.rb b/activerecord/lib/active_record/associations/preloader.rb
index e1754d4a19..5a93a89d0a 100644
--- a/activerecord/lib/active_record/associations/preloader.rb
+++ b/activerecord/lib/active_record/associations/preloader.rb
@@ -166,8 +166,6 @@ module ActiveRecord
         end
 
         class AlreadyLoaded # :nodoc:
-          attr_reader :owners, :reflection
-
           def initialize(klass, owners, reflection, preload_scope)
             @owners = owners
             @reflection = reflection
@@ -178,6 +176,9 @@ module ActiveRecord
           def preloaded_records
             owners.flat_map { |owner| owner.association(reflection.name).target }
           end
+
+          protected
+            attr_reader :owners, :reflection
         end
 
         # Returns a class containing the logic needed to load preload the data
diff --git a/activerecord/lib/active_record/associations/preloader/association.rb b/activerecord/lib/active_record/associations/preloader/association.rb
index e77761692d..19c337dc39 100644
--- a/activerecord/lib/active_record/associations/preloader/association.rb
+++ b/activerecord/lib/active_record/associations/preloader/association.rb
@@ -4,7 +4,6 @@ module ActiveRecord
   module Associations
     class Preloader
       class Association #:nodoc:
-        attr_reader :owners, :reflection, :preload_scope, :model, :klass
         attr_reader :preloaded_records
 
         def initialize(klass, owners, reflection, preload_scope)
@@ -28,6 +27,9 @@ module ActiveRecord
           end
         end
 
+        protected
+          attr_reader :owners, :reflection, :preload_scope, :model, :klass
+
         private
           # The name of the key on the associated records
           def association_key_name