diff --git a/armstrong/apps/donations/forms.py b/armstrong/apps/donations/forms.py
index 75ada5f..870c7ac 100644
--- a/armstrong/apps/donations/forms.py
+++ b/armstrong/apps/donations/forms.py
@@ -133,12 +133,11 @@ class CreditCardDonationForm(BaseDonationForm):
     expiration_month = forms.ChoiceField(choices=MONTH_CHOICES)
     expiration_year = forms.ChoiceField(choices=YEAR_CHOICES)
 
-    strip_sensitive_info = True
     fields_to_strip = ["card_number", "ccv_code", ]
 
     def is_valid(self, *args, **kwargs):
         r = super(CreditCardDonationForm, self).is_valid(*args, **kwargs)
-        if not r and self.strip_sensitive_info:
+        if not r and self.fields_to_strip:
             empty_values = [""] * len(self.fields_to_strip)
             new_data = dict(zip(self.fields_to_strip, empty_values))
             self.data.update(new_data)
diff --git a/armstrong/apps/donations/tests/forms.py b/armstrong/apps/donations/tests/forms.py
index 9455cd9..c279b85 100644
--- a/armstrong/apps/donations/tests/forms.py
+++ b/armstrong/apps/donations/tests/forms.py
@@ -274,13 +274,13 @@ def get_invalid_form(self):
 
     def assert_value_is_empty(self, field):
         form = self.get_invalid_form()
-        form.strip_sensitive_info = True
+        form.fields_to_strip = ["card_number", "ccv_code"]
         self.assertFalse(form.is_valid())
         self.assertEqual("", form[field].value())
 
     def assert_value_is_not_empty(self, field):
         form = self.get_invalid_form()
-        form.strip_sensitive_info = False
+        form.fields_to_strip = []
         self.assertFalse(form.is_valid())
         self.assertNotEqual("", form[field].value())