diff --git a/config/initializers/new_framework_defaults_7_1.rb b/config/initializers/new_framework_defaults_7_1.rb
index 46ac5c22b..3d50a5cca 100644
--- a/config/initializers/new_framework_defaults_7_1.rb
+++ b/config/initializers/new_framework_defaults_7_1.rb
@@ -55,7 +55,7 @@ Rails.application.config.active_record.encryption.support_sha1_for_non_determini
 # state which matches what was committed to the database, typically the last
 # instance to save.
 #++
-# Rails.application.config.active_record.run_commit_callbacks_on_first_saved_instances_in_transaction = false
+Rails.application.config.active_record.run_commit_callbacks_on_first_saved_instances_in_transaction = false
 
 ###
 # Configures SQLite with a strict strings mode, which disables double-quoted string literals.