diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index 92f3ed161d..a900cdf49b 100644
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -1803,11 +1803,7 @@ MSG
           id.present? &&
           comparison_object.id == id
       end
-
-      # Delegates to ==
-      def eql?(comparison_object)
-        self == comparison_object
-      end
+      alias :eql? :==
 
       # Delegates to id in order to allow two records of the same type and id to work with something like:
       #   [ Person.find(1), Person.find(2), Person.find(3) ] & [ Person.find(1), Person.find(4) ] # => [ Person.find(1) ]