diff --git a/lib/nova b/lib/nova
index 8311a54930..f1be7ce41d 100644
--- a/lib/nova
+++ b/lib/nova
@@ -101,7 +101,7 @@ SCHEDULER=${SCHEDULER:-filter_scheduler}
 
 # The following FILTERS contains SameHostFilter and DifferentHostFilter with
 # the default filters.
-FILTERS="RetryFilter,AvailabilityZoneFilter,RamFilter,DiskFilter,ComputeFilter,ComputeCapabilitiesFilter,ImagePropertiesFilter,ServerGroupAntiAffinityFilter,ServerGroupAffinityFilter,SameHostFilter,DifferentHostFilter"
+FILTERS="RetryFilter,AvailabilityZoneFilter,ComputeFilter,ComputeCapabilitiesFilter,ImagePropertiesFilter,ServerGroupAntiAffinityFilter,ServerGroupAffinityFilter,SameHostFilter,DifferentHostFilter"
 
 QEMU_CONF=/etc/libvirt/qemu.conf