diff --git a/kive/container/tests_mock.py b/kive/container/tests_mock.py
index a0cfed6b0..5b29aae1f 100644
--- a/kive/container/tests_mock.py
+++ b/kive/container/tests_mock.py
@@ -14,7 +14,7 @@
 from container.ajax import ContainerAppViewSet
 from container.management.commands import runcontainer
 from container.models import Container, ContainerFamily, ContainerApp, \
-    ContainerArgument, ContainerFileFormField, ContainerRun, ContainerDataset
+    ContainerArgument, ContainerRun, ContainerDataset
 from kive.tests import BaseTestCases, strip_removal_plan
 from librarian.models import Dataset
 from metadata.models import KiveUser