diff --git a/mayan/apps/documents/managers.py b/mayan/apps/documents/managers.py
index 54e512ca71..599c4b8d88 100644
--- a/mayan/apps/documents/managers.py
+++ b/mayan/apps/documents/managers.py
@@ -26,21 +26,6 @@ class DocumentManager(models.Manager):
         ).filter(in_trash=False).filter(is_stub=False)
 
 
-class DocumentPageCachedImage(models.Manager):
-    def get_by_natural_key(self, filename, document_page_natural_key):
-        DocumentPage = apps.get_model(
-            app_label='documents', model_name='DocumentPage'
-        )
-        try:
-            document_page = DocumentPage.objects.get_by_natural_key(
-                *document_page_natural_key
-            )
-        except DocumentPage.DoesNotExist:
-            raise self.model.DoesNotExist
-
-        return self.get(document_page__pk=document_page.pk, filename=filename)
-
-
 class DocumentPageManager(models.Manager):
     def get_by_natural_key(self, page_number, document_version_natural_key):
         DocumentVersion = apps.get_model(
diff --git a/mayan/apps/documents/models/document_page_models.py b/mayan/apps/documents/models/document_page_models.py
index b4fa0ea1df..cfe3fb6be6 100644
--- a/mayan/apps/documents/models/document_page_models.py
+++ b/mayan/apps/documents/models/document_page_models.py
@@ -19,7 +19,7 @@ from mayan.apps.converter.transformations import (
 )
 from mayan.apps.converter.utils import get_converter_class
 
-from ..managers import DocumentPageCachedImage, DocumentPageManager
+from ..managers import DocumentPageManager
 from ..settings import (
     setting_disable_base_image_cache, setting_disable_transformed_image_cache,
     setting_display_width, setting_display_height, setting_zoom_max_level,
@@ -28,7 +28,7 @@ from ..settings import (
 
 from .document_version_models import DocumentVersion
 
-__all__ = ('DocumentPage', 'DocumentPageCachedImage', 'DocumentPageResult')
+__all__ = ('DocumentPage', 'DocumentPageResult')
 logger = logging.getLogger(__name__)