diff --git a/app/models/form/sales/pages/person_sex_registered_at_birth.rb b/app/models/form/sales/pages/person_sex_registered_at_birth.rb
index 807afe9b0..b2ea1da20 100644
--- a/app/models/form/sales/pages/person_sex_registered_at_birth.rb
+++ b/app/models/form/sales/pages/person_sex_registered_at_birth.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 class Form::Sales::Pages::PersonSexRegisteredAtBirth < ::Form::Page
   def initialize(id, hsh, subsection, person_index:)
     super(id, hsh, subsection)
diff --git a/app/models/form/sales/pages/sex_registered_at_birth1.rb b/app/models/form/sales/pages/sex_registered_at_birth1.rb
index 0990f3932..4e6f012a9 100644
--- a/app/models/form/sales/pages/sex_registered_at_birth1.rb
+++ b/app/models/form/sales/pages/sex_registered_at_birth1.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 class Form::Sales::Pages::SexRegisteredAtBirth1 < ::Form::Page
   def initialize(id, hsh, subsection)
     super
diff --git a/app/models/form/sales/pages/sex_registered_at_birth2.rb b/app/models/form/sales/pages/sex_registered_at_birth2.rb
index 74cf4034c..49ce339c4 100644
--- a/app/models/form/sales/pages/sex_registered_at_birth2.rb
+++ b/app/models/form/sales/pages/sex_registered_at_birth2.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 class Form::Sales::Pages::SexRegisteredAtBirth2 < ::Form::Page
   def initialize(id, hsh, subsection)
     super
diff --git a/app/models/form/sales/questions/person_sex_registered_at_birth.rb b/app/models/form/sales/questions/person_sex_registered_at_birth.rb
index fdc5ce3db..86bef9acd 100644
--- a/app/models/form/sales/questions/person_sex_registered_at_birth.rb
+++ b/app/models/form/sales/questions/person_sex_registered_at_birth.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 class Form::Sales::Questions::PersonSexRegisteredAtBirth < ::Form::Question
   def initialize(id, hsh, page, person_index:)
     super(id, hsh, page)
diff --git a/app/models/form/sales/questions/sex_registered_at_birth1.rb b/app/models/form/sales/questions/sex_registered_at_birth1.rb
index a1a659753..77a8e3fc3 100644
--- a/app/models/form/sales/questions/sex_registered_at_birth1.rb
+++ b/app/models/form/sales/questions/sex_registered_at_birth1.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 class Form::Sales::Questions::SexRegisteredAtBirth1 < ::Form::Question
   def initialize(id, hsh, page)
     super
diff --git a/app/models/form/sales/questions/sex_registered_at_birth2.rb b/app/models/form/sales/questions/sex_registered_at_birth2.rb
index 45edb3775..9a26d527a 100644
--- a/app/models/form/sales/questions/sex_registered_at_birth2.rb
+++ b/app/models/form/sales/questions/sex_registered_at_birth2.rb
@@ -1,5 +1,3 @@
-# frozen_string_literal: true
-
 class Form::Sales::Questions::SexRegisteredAtBirth2 < ::Form::Question
   def initialize(id, hsh, page)
     super
diff --git a/db/migrate/20260203142107_enforce_lowercase_for_sex_rab_columns.rb b/db/migrate/20260203142107_enforce_lowercase_for_sex_rab_columns.rb
deleted file mode 100644
index 7d2fb4e3e..000000000
--- a/db/migrate/20260203142107_enforce_lowercase_for_sex_rab_columns.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-class EnforceLowercaseForSexRabColumns < ActiveRecord::Migration[7.2]
-  def change
-    rename_column :sales_logs, :"sexRAB1", :sexrab1
-    rename_column :sales_logs, :"sexRAB2", :sexrab2
-    rename_column :sales_logs, :"sexRAB3", :sexrab3
-    rename_column :sales_logs, :"sexRAB4", :sexrab4
-    rename_column :sales_logs, :"sexRAB5", :sexrab5
-    rename_column :sales_logs, :"sexRAB6", :sexrab6
-  end
-end