diff --git a/ipynbsrv/core/signals/containers.py b/ipynbsrv/core/signals/containers.py
index a6329fe..5341fc5 100644
--- a/ipynbsrv/core/signals/containers.py
+++ b/ipynbsrv/core/signals/containers.py
@@ -147,9 +147,9 @@ def delete_on_server(sender, container, **kwargs):
         try:
             container.server.get_container_backend().delete_container(container.backend_pk)
             # cleanup internal images
-            if container.is_image_based() and container.image.is_internal and not container.has_clones():
-                if not Container.objects.filter(image=container.image).exists():
-                    container.image.delete()
+            # if container.is_image_based() and container.image.is_internal and not container.has_clones():
+            #     if not Container.objects.filter(image=container.image).exists():
+            #         container.image.delete()
         except ContainerNotFoundError as ex:
             pass  # already deleted
         except ContainerBackendError as ex: