1 files changed, 7 insertions, 5 deletions
diff --git a/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb b/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb
index 95dbd6a77f..88b6c37d43 100644
--- a/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb
+++ b/activerecord/lib/active_record/relation/predicate_builder/array_handler.rb
@@ -29,15 +29,17 @@ module ActiveRecord
         array_predicates.inject { |composite, predicate| composite.or(predicate) }
       end
 
+      # TODO Change this to private once we've dropped Ruby 2.2 support.
+      # Workaround for Ruby 2.2 "private attribute?" warning.
       protected
 
-      attr_reader :predicate_builder
+        attr_reader :predicate_builder
 
-      module NullPredicate # :nodoc:
-        def self.or(other)
-          other
+        module NullPredicate # :nodoc:
+          def self.or(other)
+            other
+          end
         end
-      end
     end
   end
 end