diff --git a/db/migrate/20230126233821_delete_calculator_currency_from_spree_preferences.rb b/db/migrate/20230126233821_delete_calculator_currency_from_spree_preferences.rb
new file mode 100644
index 00000000000..5ffab61fee3
--- /dev/null
+++ b/db/migrate/20230126233821_delete_calculator_currency_from_spree_preferences.rb
@@ -0,0 +1,15 @@
+class DeleteCalculatorCurrencyFromSpreePreferences < ActiveRecord::Migration[6.1]
+  class SpreePreference < ActiveRecord::Base
+  end
+
+  def up
+    # Delete all currency preferences for calculators, they are no longer used.
+    rows = SpreePreference.where("key like '/calculator%/currency/%'").delete_all
+    puts "#{rows} rows deleted."
+  end
+
+  def down
+    # Sorry, the data was deleted!
+    raise ActiveRecord::IrreversibleMigration
+  end
+end