diff --git a/django/contrib/localflavor/ca/forms.py b/django/contrib/localflavor/ca/forms.py
index a84a6d9557a..37f966eb641 100644
--- a/django/contrib/localflavor/ca/forms.py
+++ b/django/contrib/localflavor/ca/forms.py
@@ -6,7 +6,6 @@ from __future__ import absolute_import
 
 import re
 
-from django.contrib.localflavor.ca.ca_provinces import PROVINCE_CHOICES, PROVINCES_NORMALIZED
 from django.core.validators import EMPTY_VALUES
 from django.forms import ValidationError
 from django.forms.fields import Field, CharField, Select
@@ -79,6 +78,8 @@ class CAProvinceField(Field):
         except AttributeError:
             pass
         else:
+            # Load data in memory only when it is required, see also #17275
+            from django.contrib.localflavor.ca.ca_provinces import PROVINCES_NORMALIZED
             try:
                 return PROVINCES_NORMALIZED[value.strip().lower()].decode('ascii')
             except KeyError:
@@ -91,6 +92,8 @@ class CAProvinceSelect(Select):
     territories as its choices.
     """
     def __init__(self, attrs=None):
+        # Load data in memory only when it is required, see also #17275
+        from django.contrib.localflavor.ca.ca_provinces import PROVINCE_CHOICES
         super(CAProvinceSelect, self).__init__(attrs, choices=PROVINCE_CHOICES)
 
 class CASocialInsuranceNumberField(Field):
diff --git a/django/contrib/localflavor/id/forms.py b/django/contrib/localflavor/id/forms.py
index e2419f3b1c3..9439dba5942 100644
--- a/django/contrib/localflavor/id/forms.py
+++ b/django/contrib/localflavor/id/forms.py
@@ -8,7 +8,6 @@ import re
 import time
 
 from django.core.validators import EMPTY_VALUES
-from django.contrib.localflavor.id.id_choices import PROVINCE_CHOICES, LICENSE_PLATE_PREFIX_CHOICES
 from django.forms import ValidationError
 from django.forms.fields import Field, Select
 from django.utils.translation import ugettext_lazy as _
@@ -58,6 +57,8 @@ class IDProvinceSelect(Select):
     """
 
     def __init__(self, attrs=None):
+        # Load data in memory only when it is required, see also #17275
+        from django.contrib.localflavor.id.id_choices import PROVINCE_CHOICES
         super(IDProvinceSelect, self).__init__(attrs, choices=PROVINCE_CHOICES)
 
 
@@ -93,6 +94,8 @@ class IDLicensePlatePrefixSelect(Select):
     """
 
     def __init__(self, attrs=None):
+        # Load data in memory only when it is required, see also #17275
+        from django.contrib.localflavor.id.id_choices import LICENSE_PLATE_PREFIX_CHOICES
         super(IDLicensePlatePrefixSelect, self).__init__(attrs,
             choices=LICENSE_PLATE_PREFIX_CHOICES)
 
@@ -110,6 +113,8 @@ class IDLicensePlateField(Field):
     }
 
     def clean(self, value):
+        # Load data in memory only when it is required, see also #17275
+        from django.contrib.localflavor.id.id_choices import LICENSE_PLATE_PREFIX_CHOICES
         super(IDLicensePlateField, self).clean(value)
         if value in EMPTY_VALUES:
             return u''