diff --git a/config/application.rb b/config/application.rb
index 1a050ddd8..4f8b84544 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -45,9 +45,6 @@ module PracticalDeveloper
     config.action_view.default_enforce_utf8 = true
 
     ## Rails 6.1
-    # This replaces the old config.active_support.use_sha1_digests from Rails 5.2
-    config.active_support.hash_digest_class = ::Digest::MD5 # New default is ::Digest::SHA1
-
     # Make `form_with` generate non-remote forms by default. We want this to be true as it was the default in 5.2
     config.action_view.form_with_generates_remote_forms = true
 
diff --git a/config/initializers/new_framework_defaults_7_0.rb b/config/initializers/new_framework_defaults_7_0.rb
index b845498e7..ad70e396c 100644
--- a/config/initializers/new_framework_defaults_7_0.rb
+++ b/config/initializers/new_framework_defaults_7_0.rb
@@ -28,7 +28,7 @@ Rails.application.config.action_view.apply_stylesheet_media_default = false
 # Change the digest class for ActiveSupport::Digest.
 # Changing this default means that for example Etags change and
 # various cache keys leading to cache invalidation.
-# Rails.application.config.active_support.hash_digest_class = OpenSSL::Digest::SHA256
+Rails.application.config.active_support.hash_digest_class = OpenSSL::Digest::SHA256
 
 # Don't override ActiveSupport::TimeWithZone.name and use the default Ruby
 # implementation.