diff --git a/config/initializers/new_framework_defaults_7_0.rb b/config/initializers/new_framework_defaults_7_0.rb
index 40448620f..0bdd126ee 100644
--- a/config/initializers/new_framework_defaults_7_0.rb
+++ b/config/initializers/new_framework_defaults_7_0.rb
@@ -32,7 +32,7 @@ Rails.application.config.active_support.hash_digest_class = OpenSSL::Digest::SHA
 
 # Don't override ActiveSupport::TimeWithZone.name and use the default Ruby
 # implementation.
-# Rails.application.config.active_support.remove_deprecated_time_with_zone_name = true
+Rails.application.config.active_support.remove_deprecated_time_with_zone_name = true
 
 # Calls `Rails.application.executor.wrap` around test cases.
 # This makes test cases behave closer to an actual request or job.