Use private attr_reader

Since #32028, Rails 6 requires Ruby 2.3+.
No longer needed workaround for Ruby 2.2 "private attribute?" warning.

3 files changed, 3 insertions, 4 deletions

diff --git a/activerecord/lib/active_record/associations/join_dependency/join_association.rb b/activerecord/lib/active_record/associations/join_dependency/join_association.rb
index 221c791bf8..c36386ec7e 100644
--- a/activerecord/lib/active_record/associations/join_dependency/join_association.rb
+++ b/activerecord/lib/active_record/associations/join_dependency/join_association.rb
@@ -58,7 +58,7 @@ module ActiveRecord
           tables.first
         end
 
-        protected
+        private
           attr_reader :alias_tracker
       end
     end
diff --git a/activerecord/lib/active_record/associations/preloader.rb b/activerecord/lib/active_record/associations/preloader.rb
index 59320431ee..1ea0aeac3a 100644
--- a/activerecord/lib/active_record/associations/preloader.rb
+++ b/activerecord/lib/active_record/associations/preloader.rb
@@ -169,7 +169,7 @@ module ActiveRecord
             owners.flat_map { |owner| owner.association(reflection.name).target }
           end
 
-          protected
+          private
             attr_reader :owners, :reflection
         end
 
diff --git a/activerecord/lib/active_record/associations/preloader/association.rb b/activerecord/lib/active_record/associations/preloader/association.rb
index ec6f0df484..ddcad4504c 100644
--- a/activerecord/lib/active_record/associations/preloader/association.rb
+++ b/activerecord/lib/active_record/associations/preloader/association.rb
@@ -27,10 +27,9 @@ module ActiveRecord
           end
         end
 
-        protected
+        private
           attr_reader :owners, :reflection, :preload_scope, :model, :klass
 
-        private
           # The name of the key on the associated records
           def association_key_name
             reflection.join_primary_key(klass)