diff --git a/activerecord/test/cases/batches_test.rb b/activerecord/test/cases/batches_test.rb
index 70ceaec4f0..acb8b5f562 100644
--- a/activerecord/test/cases/batches_test.rb
+++ b/activerecord/test/cases/batches_test.rb
@@ -138,7 +138,6 @@ class EachTest < ActiveRecord::TestCase
   end
 
   def test_find_in_batches_should_use_any_column_as_primary_key_when_start_is_not_specified
-    Subscriber.count('nick') # preheat arel's table cache
     assert_queries(Subscriber.count + 1) do
       Subscriber.find_each(:batch_size => 1) do |subscriber|
         assert_kind_of Subscriber, subscriber