diff --git a/api/v1/serializers/mixins.py b/api/v1/serializers/mixins.py
index 7253906e..28b01cb3 100644
--- a/api/v1/serializers/mixins.py
+++ b/api/v1/serializers/mixins.py
@@ -107,7 +107,6 @@ class DispatchContentMixin(object):
             elif ctype == 'images':
                 if 'id' in cdata and cdata['id']:
                     g = Gallery.objects.get(id=cdata['id'])
-                    g.course = course
                     g.position = cdata['position']
                     g.title = cdata['title']
                     g.uuid = cdata['uuid']