diff --git a/tools/flask/policy/policy/access_vectors b/tools/flask/policy/policy/access_vectors
index 4fd61f1a59..d9c69c034f 100644
--- a/tools/flask/policy/policy/access_vectors
+++ b/tools/flask/policy/policy/access_vectors
@@ -1,24 +1,5 @@
 # Locally defined access vectors
 #
-# Define access vectors for the security classes defined in security_classes
+# Define access vectors for the security classes defined in security_classes.
+# Access vectors defined in this file should not be used by the hypervisor.
 #
-
-# Note: this is an example; the xenstore daemon provided with Xen does
-# not yet include XSM support, and the exact permissions may be defined
-# differently if such support is added.
-class xenstore {
-	# read from keys owned by the target domain (if permissions allow)
-	read
-	# write to keys owned by the target domain (if permissions allow)
-	write
-	# change permissions of a key owned by the target domain
-	chmod
-	# change the owner of a key which was owned by the target domain
-	chown_from
-	# change the owner of a key to the target domain
-	chown_to
-	# access a key owned by the target domain without permission
-	override
-	# introduce a domain
-	introduce
-}
diff --git a/tools/flask/policy/policy/security_classes b/tools/flask/policy/policy/security_classes
index 56595e8c59..0f0f9f30a4 100644
--- a/tools/flask/policy/policy/security_classes
+++ b/tools/flask/policy/policy/security_classes
@@ -5,4 +5,3 @@
 # security policy.
 #
 # Access vectors for these classes must be defined in the access_vectors file.
-class xenstore