diff --git a/tools/python/xen/xend/XendDomainInfo.py b/tools/python/xen/xend/XendDomainInfo.py
index e7a8aa5589..b193cdde66 100644
--- a/tools/python/xen/xend/XendDomainInfo.py
+++ b/tools/python/xen/xend/XendDomainInfo.py
@@ -32,12 +32,6 @@ from xen.xend.XendRoot import get_component
 from xen.xend.uuid import getUuid
 from xen.xend.xenstore import DBVar
 
-"""Flag for a block device backend domain."""
-SIF_BLK_BE_DOMAIN = (1<<4)
-
-"""Flag for a net device backend domain."""
-SIF_NET_BE_DOMAIN = (1<<5)
-
 """Shutdown code for poweroff."""
 DOMAIN_POWEROFF = 0
 
diff --git a/tools/python/xen/xend/image.py b/tools/python/xen/xend/image.py
index 95d29c642a..4542fd1d7b 100644
--- a/tools/python/xen/xend/image.py
+++ b/tools/python/xen/xend/image.py
@@ -8,6 +8,12 @@ from xen.xend.xenstore import DBVar
 
 from xen.xend.server import channel
 
+"""Flag for a block device backend domain."""
+SIF_BLK_BE_DOMAIN = (1<<4)
+
+"""Flag for a net device backend domain."""
+SIF_NET_BE_DOMAIN = (1<<5)
+
 class ImageHandler:
     """Abstract base class for image handlers.