diff --git a/lib/galaxy/webapps/galaxy/controllers/workflow.py b/lib/galaxy/webapps/galaxy/controllers/workflow.py
index 4ec8776cbd37..92ad33aec530 100644
--- a/lib/galaxy/webapps/galaxy/controllers/workflow.py
+++ b/lib/galaxy/webapps/galaxy/controllers/workflow.py
@@ -15,8 +15,7 @@
 from galaxy import model
 from galaxy import util
 from galaxy import web
-from galaxy import exceptions
-from galaxy.managers import workflows, histories
+from galaxy.managers import workflows
 from galaxy.model.item_attrs import UsesItemRatings
 from galaxy.model.mapping import desc
 from galaxy.util import unicodify, FILENAME_VALID_CHARS