diff --git a/src/c3nav/editor/models/change.py b/src/c3nav/editor/models/change.py
index 3ceea965..143f4cc5 100644
--- a/src/c3nav/editor/models/change.py
+++ b/src/c3nav/editor/models/change.py
@@ -8,7 +8,8 @@ from django.db import models
 from django.db.models import Q
 from django.utils.translation import ugettext_lazy as _
 
-from c3nav.editor.wrappers import ModelInstanceWrapper, is_created_pk
+from c3nav.editor.utils import is_created_pk
+from c3nav.editor.wrappers import ModelInstanceWrapper
 
 
 class Change(models.Model):
diff --git a/src/c3nav/editor/models/changeset.py b/src/c3nav/editor/models/changeset.py
index 95224a4a..baa0a606 100644
--- a/src/c3nav/editor/models/changeset.py
+++ b/src/c3nav/editor/models/changeset.py
@@ -12,7 +12,8 @@ from django.utils.translation import ugettext_lazy as _
 from django.utils.translation import ungettext_lazy
 
 from c3nav.editor.models.change import Change
-from c3nav.editor.wrappers import ModelWrapper, is_created_pk
+from c3nav.editor.utils import is_created_pk
+from c3nav.editor.wrappers import ModelWrapper
 from c3nav.mapdata.models import LocationSlug
 from c3nav.mapdata.models.locations import LocationRedirect
 
diff --git a/src/c3nav/editor/utils.py b/src/c3nav/editor/utils.py
new file mode 100644
index 00000000..515099a6
--- /dev/null
+++ b/src/c3nav/editor/utils.py
@@ -0,0 +1,2 @@
+def is_created_pk(pk):
+    return isinstance(pk, str) and pk.startswith('c') and pk[1:].isnumeric()
diff --git a/src/c3nav/editor/views/changes.py b/src/c3nav/editor/views/changes.py
index 308f9de7..177e2514 100644
--- a/src/c3nav/editor/views/changes.py
+++ b/src/c3nav/editor/views/changes.py
@@ -8,8 +8,8 @@ from django.utils.formats import date_format
 from django.utils.translation import ugettext_lazy as _
 
 from c3nav.editor.models import ChangeSet
+from c3nav.editor.utils import is_created_pk
 from c3nav.editor.views.base import sidebar_view
-from c3nav.editor.wrappers import is_created_pk
 from c3nav.mapdata.models.locations import LocationRedirect, LocationSlug
 
 
diff --git a/src/c3nav/editor/wrappers.py b/src/c3nav/editor/wrappers.py
index 94046bbc..d448366b 100644
--- a/src/c3nav/editor/wrappers.py
+++ b/src/c3nav/editor/wrappers.py
@@ -11,10 +11,7 @@ from django.db.models.query_utils import DeferredAttribute
 from django.utils.functional import cached_property
 
 from c3nav.editor.forms import create_editor_form
-
-
-def is_created_pk(pk):
-    return isinstance(pk, str) and pk.startswith('c') and pk[1:].isnumeric()
+from c3nav.editor.utils import is_created_pk
 
 
 class BaseWrapper: